Genetics

All Items

• Crossbreeding: a device to improve the longevity of dairy cows

  Pablo Roberto Marini

  9-17
• Beef cattle: do we really want them that docile?

  Ana Clara Gonzalez, Héctor Ricardo Ferrari

  117-119
• G1 mutation of GDF9 gene and its relationship with birth weight in Pelibuey sheep

  Miriam Rosas-Rodríguez, Juan Salazar-Ortiz, Josafhat Salinas Ruiz, Jaime Gallegos-Sánchez, Martha Herández-Rodríguez, Cesar Cortez-Romero

  243-249
• Effect of essential oils blend inclusion on performance and HSP70 gene expression in broilers chickens under chronic heat stress

  Eliane Gasparino, Simone Eliza Facioni Guimarães, Rafael Canonenco de Araujo, Rosa Aparecida Reis de Léo, Angélica de Souza Khatlab, Ana Paula Del Vesco, Maria Luiza Rodrigues de Souza, Gabriela Hernandes Cangianelli

  99-102
• Proposal to rescue the Criollo Limonero breed in Venezuela

  Omar Araujo-Febres

  363-367
• Meat production in the dry tropics of Tamaulipas, Mexico: crossbreeding of Bos taurus and Bos indicus

  Francisco Javier García-Esquivel, Juan Carlos Martínez Gonzalez, Sonia Patricia Castillo-Rodríguez, Javier Hernández-Meléndez, Gaspar Manuel Parra-Bracamonte

  87-92
• Genome-wide association study for identification of associated variations to scrotal circumference in Charolais cattle

  G. Manuel Parra-Bracamonte, Juan G. Magaña-Monforte, Xochitl F. De la Rosa-Reyna , Juan C. Martínez -González, Francisco J. Jahuey-Martínez, Víctor R. Moreno-Medina

  81-85
• Morphological characteristics of extensively grazed Blackbelly lambs in the tropics

  Jesus Jahir Nava-Beltrán, Ethel Caterina García y González, Eduardo Daniel Ramírez-García, Maricela Ruiz-Ortega, Félix Jesus Rodríguez-Ramírez, Alfonso Longinos Muñoz-Benítez, Jose Luis Ponce Covarrubias

  379-382
• Kinematic characterization of cryopreserved sperm from three biotypes of Ecuadorian Creole roosters

  Andrés L. Moscoso, Manuel E. Maldonado, Juan. C. Alvarado, Daniel E. Argudo, Jorge X. Samaniego, Diego A. Galarza

  111-113
• Growth, carcass traits and meat quality of bulls of three biotypes subjected to re-implantation and supplementation in improved tropical savannah

  Nelson Huerta-Leidenz, Nancy C Jerez Timaure, Jhones Onorino Sarturi, Omar Verde Sandoval, Argenis Rodas-González

  139-158
• Reproductive aspects of the Venezuelan layer hen breeds Maracay, GDB and their hybrids in a small-scale system

  Félix Mejías, Rafael Galíndez González

  137-144
• QTL variability and its association with age at first egg, in the cross between IPA and FAGRO hens

  Rafael Galíndez González

  163-170
• Procedure for the isolation of DNA from clotted blood of birds

  José Luis Arcia, Alexis F. Marques U, Oscar De La Rosa, Rafael Galíndez González

  89-94
• Goat genetic and phenotypic variation of body measurement traits in a sample of the Venezuelan creole goat population

  Fidel Alejandro Pariacote, Dalila C. D’Ascencao, Leyberth Elena Ruiz Cuba, Quiterio Nuñez Miranda, William Morón, Xiomara Pimentel, Emerita Abreu Garcia, Darwin R. Lugo Sira, Vincenzo Landi

  207-222
• Assessing the impact of Bos taurus x Bos indicus crossbreeding and postmortem technologies on the eating quality of loins from pasturefinished young bulls

  Tomas Riera-Sigala, Nelson Huerta-Leidenz, Argenis Rodas-González, Margarita Arispe Zubillaga, Nancy C. Jerez Timaure

  263-273
• Morphostructure of chickens, ducks and turkeys from primary backyard populations in the eastern dry corridor of Guatemala.

  Raúl Jáuregui Jiménez

  195-205
• Animal genetic resources

  Managing Editor
• Use of mixed-model methodology to estimate genetic and environmental parameters for production traits in Caracu cattle

  Celia Raquel Quirino, Jonas C. C. Pereira, José A. G. Bergmann, Carmen S. Pereira

  59=70
• The growth of replacement heifers in dairy farms in Costa Rica. 2. The effect of growth rate and age at first calving on subsequent milk production

  Cesar Solano Patino, Bernardo Vargas-Leitón

  37-50
• The growth of replacement heifers in dairy farms in Costa Rica. 1. Growth typing of Holstein and Jersey heifers.

  Cesar Solano Patino, Bernardo Vargas-Leitón

  21-36
• Genetic and environmental factors that affect litter traits in two pig farms in Venezuela

  Jenny de Venanzi , Omar Verde Sandoval

  55-71
• Some factors that influence the birth weight of the Santa Inés breed lambs in the state of Sergipe

  Alba Kyonara Barbosa, Alves Tenorio Fireman, Frank Siewerdt

  45-54
• Genetic and environmental trends in milk production in dairy cows in Costa Rica

  Bernardo Vargas-Leitón, Cesar Solano Patino

  165-176
• Projection and correlation factors for lactation production in dairy cows in Costa Rica

  Bernardo Vargas-Leitón, Cesar Solano Patino

  149-164
• Calculation of correction factors for daily milk production in dairy cattle in Costa Rica

  Bernardo Vargas-Leitón, Cesar Solano Patino

  131-148
• Yearly production trends and genetic and environmental influences in a genetically closed Brahman herd. 4. Percentages of pregnancy, calving, weaning, availability at 18 months and production per cow

  Dieter Plasse, Omar Verde Sandoval, Jorge Beltran, Abraham Hernandez, Nelson Marquez, Ali Capriles, Luis Arriojas, Thomas Shultz, Nelson Braschi, Ali Benavides

  113-130
• Yearly production trends and genetic and environmental influences in a genetically closed Brahman herd. 3. Monthly weigths up to eighteen months.

  Dieter Plasse, Omar Verde Sandoval, Jorge Beltran, Nelson Marquez, Nelson Braschi, Ali Benavides

  99-112
• Genetic and environmental factors that affect production traits of young breeding swine

  Jenny De Venanzi, Omar Verde Sandoval

  91-98
• Genetic parameters for growth characteristics in beef zebu

  Maria Eugênia Zerlotti Mercadante, Raysildo Barbosa Lobo, Arcadio de los Reyes Borjas

  45-89
• Digestive use of B honey diets and high fiber levels in Creole and CC21 pigs

  Julio Ly, Francisco J. Dieguez

  17-36
• Latin American workshop on the genetic improvement of dual-purpose cattle

  Lucía Vaccaro, Delia López

  1-15
• Fattening and body composition of CC21 and Duroc pig offspring in a rotational cross

  G. Trujillo, Isabel Santana, J. F. Dieguez

  141-145
• Yearly production trends and genetic and environmental influences in a genetically closed Brahman herd. 2. Phenotypic, genetic and environmental trends of three weights

  Dieter Plasse, Omar Verde Sandoval, Jorge Beltran, Nelson Marquez, Ali Capriles, Luis Arriojas, Thomas Shultz, Nelson Braschi, Ali Benavides

  125-139
• Effects of elimination of short lactations and of adjusting for lactation length on the heritability of milk production in a Gir herd

  Adriana de Assis Mello, Vania Maldini Penna, Fernando E. Madalena, Carmen Silva Pereira

  117-123
• Yearly production trends and genetic and environmental influences in a genetically closed Brahman herd. I. Calf weights and mortality

  Dieter Plasse, Jorge Beltran, Omar Verde Sandoval, Nelson Marquez, Ali Capriles, Luis Arriojas, Thomas Shultz, Nelson Braschi, Ali Benavides

  85-102
• Heritability of susceptibility to cryptorchidism in swine

  R. A. Bellot, Dale W. Vogt

  53-58
• Heat-stress responses of temperate and tropical breeds of Bos taurus cattle

  Donald E. Spiers, Dale W. Vogt, Harold D. Johnson, George B. Garner , C. N. Murphy

  41-52
• Genetic parameters of growth at different ages in zebu cattle

  Carmen Rico, Maria Teresa Planas, I. Menchaca, F. García

  1-8
• Genetic diversity of Calpain 1 gene in Bolivian Creole, Nellore and Brahman bovine breeds in Bolivia

  Juan Antonio Pereira, Agustin H. Falomir-Lockhart, Ariel J Loza, Egle E. Villegas-Castagnasso, Pedro Rojas, Monica H. Carino, Rodrigo Hoyos, Andres Rogberg-Muñoz, Guillermo Giovambattista

  121-132
• Scrotal circumference and body measurements of Hereford and Braford bulls from Northeastern Argentina

  Natalia Mercedes Vallejos, Araceli Rocio Marisel Gonzalez, Gustavo Angel Crudeli, José Luis Konrad, Celia Raquel Quirino

  215-223
• Evaluation of body and testicular measurements in Dorper sheep at different ages

  Thaís Fitaroni Lacerda, Carolina Freitas Rosa e Paula , Natalia Mercedes Vallejos, Celia Raquel Quirino

  205-213
• Technical note: The Dominican Criollo Dairy Cattle. An alternative to Climate Change

  Joaquín Caridad del Rosario, Miguel Ceballos Pouerie

  133-139
• Preliminary observations on carcass traits and meat yield of five types of Brahman-influenced grass-fed bulls

  Tomas Riera Sigala, Nelson O. Huerta Leidenz, Nancy C Jerez Timaure, Argenis Rodas Gonzalez, Jorge A. Ordonez Vela, Alexis Moya

  67-77
• Morfometría del cerdo criollo del Pacifico Colombiano

  Julia Victoria Arredondo, Jaime Eduardo Muñoz Florez, Luis Emilio Arenas, Moisés Mosquera, Esildo Pacheco, Luz Ángela Álvarez

  215-223
• A phenotypic characterization of Rarámuri Criollo cattle introduced into the Southwestern United States

  Matthew McIntosh, Alfredo Gonzalez, Andres Cibils, Rick Estell, Shelemia Nyamuryekunge, Felipe Rodriguez Almeida, Sheri Spiegal

  111-119
• Phylogenetic relationships of Argentinean Creole with other Latin American Creole Cattle as revealed by a medium density SNP microarray

  Maria Agustina Raschia, Mario Andres Poli

  91-100
• Genetic diversity and association studies in class II genes of the main histocompatibility complex in American Creole cattle

  María Florencia Ortega Masagué, Juan Antonio Pereira Rico, Ariel Loza Vega, Guillermo Giovambattista

  121-132
• The Slick Holstein as an alternative to cope with heat stress in tropical dairy operations

  Bianca Ortiz-Uriarte, Natalia Rosa-Padilla, Rafael López-López, Jaime Curbelo-Rodríguez, Verónica Negrón-Pérez, Guillermo Ortiz-Colón

  145-153
• Genetic distance between Curraleiro Pé-Duro cattle and breeds raised in Brazil and the United States

  Geraldo Carvalho, Célia R. Quirino, Samuel R. Paiva, Harvey D. Blackburn

  79-89
• Local breeds in environmental emergencies: performance and contributions from the repopulation with Neuquén Creole Goats in Patagonia, Argentina.

  Maria Rosa Lanari, Pablo Losardo, Marcelo Javier Pérez Centeno, Martin Moronta, Mercedes Ejarque, Sofia Lammel, Graciela Preda, Ana Maria Cumilaf, Alejandro Fornasa

  191-197
• Colombian Creole cattle Sanmartinero, their conservation and sustainable contribution to bovine production in the Colombian Orinoquia

  German Martinez Correal, Hernando Florez Diaz, G. C. Martinez Villarte

  69-86
• Current status of the Animal Germplasm Bank in Colombia: organization and management

  Hugo R. Jimenez, Diego H Bejarano, Jose Henry Velazquez Penagos, Eliana Neira Rivera, Luisa A. Rugeles Barandica, Carolina Gonzalez Almario

  151-162
• The Argentine Criollo cattle: main characteristics of the breed

  Fernando Daniel Holgado, Alicia E. Rabasa, Maria Florencia Ortega Masague

  101-112
• Zoometry of two Criollo cattle populations from Venezuela

  Jorge Anibal Ordóñez Vela, Dieter Plasse

  91-101
• Spatial variation on phenotypic variants of fiber production lama herds from Northern Jujuy Province, Argentine

  Michel Victor Hubert Hick, Alejandro Prieto, Maria Flavia Castillo, Eduardo Frank

  189-196
• Patagonian Creole cattle of Argentina

  Rubén Darío Martínez, Bruno Nicolas Carpinetti, Lisandro Ruiz Moreno, Rolando Solis

  53-68
• Heterosis for the productive performance in the crossing of FAGRO and Maracay hens in the initial phase of laying

  Rafael Galíndez González, Lissette Duarte Campos

  181-188
• Heritability and genetic trends for growth characteristics in Romosinuano creole cattle Growth heritability in Romosinuano cattle

  Gustavo Alfonso Ossa Saraz, Jorge Leonardo López Martínez, Martha Oliva Santana Rodriguez, Jorge Luis Garcés Blanquiceth

  139-150
• Additive and non-additive effects for mature weight in beef cattle

  Ana Guillenea, Mario Lema, Diego Gimeno, Olga Ravagnolo, Ana Carolina Espasandín

  19-28
• Evaluation of an outdoor production system: 1. Sow performance until birth.

  Hugo Petrocelli, Cecilia Carballo, Nelson Barlocco

  47-57
• Compendium of conservation and production of local animal genetic resources: Pantaneiro sheep

  Fernando Miranda de Vargas Junior, Carla Giselly de Souza, Marcio Rodrigues de Souza, Marcos Barbosa Ferreira, José Alexandre Agiova da Costa, Fernando Alvarenga Reis, Maíza Leopoldina Longo

  165-180
• Conservation of criollo livestock in the United States: challenges and solutions

  D. Phillip Sponenberg

  103-109
• Differentiation and genetic distance between Venezuelan Creole pigs

  Rafael Galíndez González, Catalina Ramis, Gonzalo Martinez, Luis Angulo, Angela Bedoya, Vincenzo Landi, Amparo Martinez, Juan Vicente Delgado

  155-164
• Dinámica anual de peso y condición corporal en vacas de raza Criollo Argentino

  Fernando Daniel Holgado, Maria Florencia Ortega Masague, Jorge Luis Fernandez

  119-127
• Pre-weaning growth of Argentine Criollo calves

  Fernando Daniel Holgado, Maria Florencia Ortega Masague, Alicia E. Rabasa, Gabriela Eugenia Cantarella

  113-118
• Relationship between birth weight and thoracic measurements in Argentine Criollo calves

  Fernando Daniel Holgado, Maria Florencia Ortega, Gabriela Eugenia Cantarella, Jorge Luis Fernandez

  87-90
• Reproduction, Physiology and Genetics

  Managing Editor
• Genetic evaluation of dual purpose crossbred livestock in Venezuela

  Atilio Aranguren-Mendez, Rafael Román-Bravo, Yenen Villasmil-Ontiveros, Fabian Yánez Cuellar
• Reality and perspective of guinea pig breeding in the Andean countries

  Lilia Chauca Francia de Zaldívar
• Achievements obtained in the genetic improvement of guinea pig (Cavia porcellus) INIA experiences

  Lilia Chauca Francia de Zaldívar
• Selection program in South American domestic camelids

  Carlo Renieri, Carlos Pacheco, Alessandro Valbonesi, Eduardo Frank, Marco Antonini
• Future of the animal production: Genetics, Conservation and Sustainable Development

  Miguel Moreno Millán
• Genomics and its application in animal production

  Ricardo Fujita
• Use of molecular markers for evaluation of genetic diversity and in animal production

  Georg Erhardt, Christina Weimann
• Genotype interaction by production level in the genetic evaluation of European Swiss cattle in Mexico

  Luis Antonio Saavedra-Jiménez, Rodolfo Ramírez-Valverde, Rafael Núñez-Domínguez
• Heritability and genetic tendencies for growth characteristics in Romosinuano Creole livestock

  Gustavo Ossa, Hugo Narváez, Jorge Noriega, Yesid Abuabara, Oscar Vergara
• Genetic improvement/Mejoramiento genético/ Melhoria genética

  Managing Editor
• Increased animal production through the development of high-quality tropical forages

  Liana Jank, Mateus F. Santos, Casilda B. do Valle, Sanzio C. Barrios, Rosangela M. Simeão
• Genetic control of greenhouse gas emissions

  Yvette de Haas
• The challenge of the genetic selection of animals that tolerate heat stress. The case of dairy cattle

  Maria J. Carabaño
• Genetic improvement/Mejoramiento genético/ Melhoria genética

  Managing Editor
• Conservation of creole cattle in Santa Cruz, Bolivia

  Juan Antonio Pereira
• Recursos zoogeneticos - Carteles

  Managing Editor
• Mejora genetica - Carteles

  Managing Editor
• Recursos geneticos

  Managing Editor
• Evolution of the use of “quality brands” in meat from small ruminant breeds (threatened with extinction) to foster animal conservation

  Maria Cristina Bressan, R Bessa, J Santos-Silva, E Camacho, L T Gama
• Diversity, identity and influence of other breeds in the development of Creole populations of domestic animals

  Luis T Gama, Amparo M Martinez, Javier Cañon, Catarina Ginga, Inmaculada Martin-Burriel, Maria Antonia Revidatti, Maria N Ribeiro, Jordi Jordana, Oscar Cortes, Natalia Sevane, Juan V. Delgado
• Epigenetics in genetic improvement and animal reproduction

  Maurício Machaim Franco
• Advances in genetic improvement in Latin America and future perspectives

  José Lindenberg Rocha Sarmento, Luciano S. Sena
• Community based small ruminant genetic improvement programs

  Joaquin Pablo Mueller
• Genetics and Improvement of Domestic Animals abstracts

  Managing Editor
• The Challenge of genetic selection for heat tolerance. The dairy cattle example

  María Jesús Carabaño
• Trabajos Cortos: Genética

  Assistant Editor
• Herramientas moleculares para la mejora genética en ovinos

  G. Ciappesoni, F. Macedo, N. Grasso, V. Goldberg, D. Gimeno, E. A. Navajas
• Marcadores moleculares como herramienta para la selección animal. Perfil de acidos grasos en carne

  Karla Inostroza, Nestor Sepulveda
• Utilizacion de recursos genéticos en produccion animal en el Uruguay con especial referencia a ovinos

  Raul W Ponzoni, Roberto C Cardellino
• Session IX: Genetics and Meat Quality

  Managing Editor
• Characterization of the structure of the sheep flocks in the north of La Pampa Province

  María Bettina Gómez, Melina Castillo, Silvia Inés Aguirre, Walter Díaz, Martín Vargas, Michel Victor Huber Hick, María Flavia Castillo, Eduardo Narciso Frank
• Production of Brahman and Nelore cows bred to Brahman in the Bolivian tropics

  Dieter Plasse, Enrique Galdo, Bernardo Bauer, Omar Verde

  187-202
• Genetic diversity estimation in Apis mellifera L. in a queen bee breeding center of Mayabeque Province, Cuba

  Anisley Pérez Hernández, Nadia Martínez Marrero, Odalys Uffo Reinosa, Belkis Peteira Delgado, Jorge Demedio, Daymara Rodríguez
• Genetic diversity of asses’ five populations through the use of microsatellites markers

  Maria Aparecida Cassiano Lara, Aderbal Cavalcante Neto, Maria Fátima Marquez Madeira Santos Silva, Nuno Carolino, Maria Conceição Oliveira Sousa, Maria Inês Carolino, Miguel Nóvoa, Gunta Gutmanis, Andréa Zilá Barroso Sousa, Jânio Benevides Melo, José Victor Oliveira, Carlos Fonseca, Jordi Jordana
• Exclusion of paternity based on a panel of 89 SNP markers in a sample of Corriedale and Merino sheep from Uruguay

  Fernando Macedo, Nicolás Grasso, Elly Ana Navajas, Diego Gimeno, Carlos Gabriel Ciappesoni
• Genetic progress in sheep evaluation in Uruguay

  Carlos Gabriel Ciappesoni, Diego Gimeno, Fernando Coronel
• Genetic, phenotypic and environmental trends in two populations of pig

  Carmen Rico, M. Menchaca

  23-27
• Simulation of marker assisted selection strategies in beef cattle

  Laura Macor, Maria Gloria Monterubbianesi, Pablo Marcelo Corva
• Recursos Genéticos

  Editor Index
• Management of animal genetic resources for sustainable dairy production systems

  Fernando Madalena
• SNP, or not SNP? Is this the question?

  Carlos Gabriel Ciappesoni, E. A. Navajas, D. Gimeno
• The impact of R&D in broiler breeding: past, present and future

  Santiago Avendaño
• Fiber production in South American camelids. Advances in processing and breeding

  Eduardo Frank
• Molecular characterization of parasite resistant/susceptible Uruguayan Merino lambs

  Carlos Gabriel Ciappesoni, Paula Nicolini, Lucia Kelly, Nicolas Grasso, Pablo Peraza, Andrea Cabrera, Virginia Goldberg
• Development of breeding goals for a dairy production system based on pastures, using a bio-economic simulation model

  Myriam Jordana Rivero Viera, Jorge Ignacio Urioste Aguerre, Maria Laura Astigarraga Fernandez, Gabriel Alejandro Rovere de Maio
• Genetic improvement of sheep production by crossbreeding strategies with hair sheep breeds

  Eugenia Guadalupe Cienfuegos Rivas, Arnoldo Gonzalez Reyna, Javier Hernandez Melendez, Pedro Zarate Fortuna, Martin Antonio Ibarra Hinojosa, Froylan Lucero Magaña, Juan Carlos Martinez Gonzalez
• Heritabilities, phenotypic correlations, genetic correlations and repeatability of production variables in Argentine lamas

  Eduardo Narciso Frank, Michel Hick, Maria Gabriela Molina, Lorena M. Caruso
• Tendências ambientais e genéticas para caracteristicas produtivas de bovinos da raça Nelore

  Júlio César de Souza, Luiz Otávio Campos da Silva, Gilberto Henrique Simões, Juliana Toscano Moser, Juliane Ostapechen, Pedro Henrique Nicolau Pinto, Viviane Ruviero, Carlos Henrrique Mendes Malhado, Paulo Bahiense Ferraz Filho, José Antônio de Freitas, José Robson Bezerra Sereno
• Comparison of models in genetic evaluation of growth traits of Brahman cattle in southeastern Mexico

  Raciel J. Estrada-León, Juan G. Magaña, José C. Segura-Correa
• Performance European - Zebu crossed calves in Brasil

  Júlio César DeSouza, Jose Antonio DeFreitas, Carlos H.M. Malhado, Jose RB Sereno, Ivo Walter DosSantos, Eliane G. Vendrúsculo, Paulo Bahiense Ferraz Filho
• Genetic improvement of overall reproductive success in sheep: A review

  Gary D Snowder
• Genetic divergence of Nellore bulls with available semen in headquarters of insemination in Brazil

  Paulo Bahiense Ferraz Filho, Luiz Otavio Campos Da Silva, Carlos Henrrique Mendes Malhado, Julio Cesar De Souza
• Polymorphism in Calpain gene of registered Brahman cattle from Mexico

  Manuel Parra Bracamonte, Ana María Sifuentes Rincón, Eugenia Guadalupe Cienfuegos Rivas, Assefaw Tewolde Medhin, Juan Carlos Martínez Gonzalez
• Genetic evaluation of animals in multibreed cattle populations using linear models

  Mauricio A. Elzo
• Body condition score of Nelore cows and its relationship with size and reproduction traits

  Maria Eugênia Zerlotti Mercadante, Alexander George Razook, Josineudson Augusto II Vasconcelos Silva, Leopoldo de Andrade Figueiredo
• Genetics abstracts
• Piedritas de colores y un precepto de Darwin

  Michael Shermer
• Selection scheme of the Segureña breed of sheep

  J. V. Delgado, J. V. Rodriguez, J. M. Leon, J. Puntas, M. Benavente, G. Garcia, C. Barba
• The use of molecular techniques in the support to conservation of the Chato Murciano breed of pig.

  J. L. Vega-Pla, A. M. Martinez, B. Peinado, A. Poto, J. V. Delgado
• Genetic characterization of sheep breeds based on protein polymorphisms

  Maria Aparecida Cassiano Lara, Eduardo Antônio da Cunha, Cecília José Verissimo, Luiz Eduardo dos Santos, Mauro Sartori Bueno
• Chromosome characterization of bovines from Junqueira breed

  Rita Maria Ladeira Pires, M. A. C. Lara, R. H. Alvarez, S. Kashara
• Morphological characterization of the Pelibuey sheep of Yucatan, Mexico

  J. G. Romualdo, A. C. Sierra, J. S. Hernandez
• Double muscling II. – Genetic determination

  Claudia Salviano Teixeira, Denise Aparecida Andrade de Oliveira, Célia Raquel Quirino
• Application of genomics to identify genes influencing economically important traits in livestock.

  Eduardo Casas
• Morphological traits of venezuelan Creole goat

  Fidel Pariacote, L. Ruiz, D. C. D’Ascencao, C. Borges, X. Pimentel
• Genetic characterization of the Canaria bovine breed using microsatellites: preliminary study

  M. Zamora, R. Gines, J. M. Alfonso, M. Reig, L. Garcia, M. J. Zamorano
• Double muscling I. – Perfomance and carcass characteristics in beef cattle

  Claudia Salviano Teixeira, Denise Aparecida Andrade de Oliveira, Célia Raquel Quirino
• GM 30. Effects of inbreeding and heterozygosity on preweaning traits in a closed population of Herefords

  Fidel Pariacote, L. D. van Vleck, M. D. MacNeil
• GM 29. Breeding group direct genetic contribution on milk production in tropical environments

  Fidel Pariacote, L. D. van Vleck, A. Flores, Martin Hahn, J. R. Martinez
• GM 28. Growth in dairy breeding heifers in extensive and semiintensive conditions

  Marcos Camargo, Santiago Fariñas, Rafael Thimann, J. Peraza
• GM 27. Analysis of rectal temperatre variability in Carora cows

  Rita Rizzi, E. Heinz, Franco Cerruti, Julio C. Alvarez
• GM 26. Preadjustment coefficients of body weight for age y of age for body weight in Carora cows

  A. Caroli, Rita Rizzi, G. Pagnacco, Julio Cesar Alvarez, L. G. Nieves, Franco Cerruti
• GM 25. Comparative study of Corriedale and Merino ewes and lambs in Uruguay

  Gianni Bianchi, Juan Burgueño, Gonzalo Olivera
• Performance evaluation of Canchim calves raised on pasture in Parana state, Brasil

  Júlio César de Souza, Elisangela Borsoi Pereira, Daniel Perotto, José Luiz Moletta, Ana Paula Miyagi, José Antônio de Freitas
• GM 24. Creole cattle of Guadeloupe performance - Analysis of fifteen years of work

  Michell Naves, A. Menendez-Buxadera
• GM 23. Creole goat performances and main constraints in Guadeloupe

  Gisele Alexandre, G. Aumont, N. Mandonnet, J. Fleury
• GM 22. Preliminary results on the effect of ram and ewe breed on lamb birth weight in tropical conditions

  Josefina Combellas, Zoraida Rondon, Leyla Rios, Omar Verde
• GM 21. Early chromosomal diagnosis and reproductive management as tool to enhance production in bovines

  Oscar Vera, Pedro Bastidas, Gladys Muñoz
• GM 20. Evidence for the existence of a major gene influencing hair Length and heat tolerance in bos taurus cattle

  Timothy A. Olson, Andrew C. Hammond, C. C. Chase
• GM 19. Age at first calving and its relation to first lactation milk yield, in dual purpose cows

  A. Perez, R. Khalil, Lucia Vaccaro, M. I. Rodriguez
• GM 18. Changes in performance levels over six years in dual purpose herds participating in a genetics research project

  R. Khalil, Lucia Vaccaro, A. Perez, H. Mejias, Rodolfo Vaccaro, Omar Verde
• GM 17. Freemartin early detection by means of cariologic analysis

  M. Tirado, Oscar Vera, A. Fernandez, Victor Bermudez, Gladis Muñoz
• GM 16. Sire effects on postweaning growth and carcass characteristics in pubered Brahman cattle

  Andrew C. Hammond, C. C. Chase, R. L. West, D. D. Johnson, T. A. Olson
• GM 15. The Longevity in Carora Breed: effects of management types and years

  M. G. Giuliani, Rita Rizzi, Martin Hanh, Franco Cerutti
• GM 14. Effects of lactoprotein genetic markers on some milk production aspects

  P. Bolla, Rita Rizzi, Mario J. Oropeza, Franco Cerutti
• GM 13. Neonatal weakness and its sequels in tropical crossbred calves

  Antonio Landaeta, P. J. Chenoweth, Omar Verde, J. M. Ferrer, M. Barboza, N. Soto, T. Moreno
• GM 12. Preweaning growth of Bos taurus x Bos indicus crossbred calves

  Zuleima Romelia Chirinos, Edmundo J. Rincon, Ninoska Madrid-Bury, Carlos Gonzalez-Stagnaro
• GM 11. Factors affecting survival between 12 and 24 months in a dual purpose herd

  Gonzalo Enrique Martinez
• GM 10. Factors affecting survival up to 12 months in a dual purpose herd

  Gonzalo Enrique Martinez
• GM 09. Factors affecting losses in a dual purpose herd

  Gonzalo Enrique Martinez, M. Brandi
• GM 08. Study of genetic and phenotypic correlations for weaning weight in Nellore cattle in Brazil

  Julio Cesar de Souza, L. O. Campos da Silva, K. E. Filho, A. de A. Ramos, M. M. Alencar, Claudia H. Gadini, R. R. Velazco Gutierrez, L. D. Van Vleck
• GM 07. Five hundred forty days weight breeding values estimated by means of animal model procedure

  Luis Fabian Yañez, Ricardo Contreras, Edmundo J. Rincon
• GM 06. Scrotal circumference relations with age and body weight in breeding bulls

  Luis Fabian Yañez, Ninoska Madrid-Bury, Ricardo Contreras, Edmundo J. Rincon
• GM 05. Non linear functions to describe circumference scrotal growth in Brazil goats

  Wandrick Hauss de Sousa, Celia Raquel Quirino, Carmen Gonzales
• GM 04. Scrotal measurements, weight, and semen quality in Nellore bulls

  Jose Aurelio Bergmann, Celia Raquel Quirino, V. R. Vale Filho,, V. J. Andrade, C. G. Fonseca
• GM 03. Heritability of scrotal circumference adjusted and unadjusted for body weigth in Nellore bulls using uni and bivariate animal model

  Celia Raquel Quirino, Jose Aurelio Bergmann
• GM 02. Comparison of two genetic classes of holstein sires crossed with zebus in dual purpose herds

  Lucia Vaccaro, Rodolfo Vaccaro, Omar Verde, A. Perez, H. Mejias, R. Khalil
• GM 01. Study of some fertility indices of dairy herds monitored by computerized information systems

  Magda Maria Guilhermino, M. A. R. de Freitas, A. R. Zambianchi, S. Grossi, L. M. Vanni
• Mapping quantitative trait loci for performance traits on pig chromosome 6 (SSC6)

  Aldrin Vieira Pires, Paulo Sávio Lopes, Simone Elisa Facioni Guimarães, Cláudia Teixeira Guimarães
• Introduction of hiperprolific chinese pig breeds on occidentals: a review

  Luis Fabian Yañez, Jacqueline Trompiz, Hiram Vecchionacce
• Assessment of the carcass traits of lambs with ¾ of the Texel breed genotype

  Maria Alicia Acebal, L. A Maiztegui, J. Amelong, Liliana Picardi
• Information systems for dairy herds: who are the users?

  Magda Maria Guilhermino, M. A. Freitas
• Productive traits in hybrid hens with Fayoumi maternal genotype

  A. M. Dottavio, Z. E. Canet, M. Alvarez, B. Creixell, R. J. Di Masso, M. T. Font
• Study of genetic varibility of reproductive traits in Nellore bulls

  Celia Raquel Quirino, Jose A. Bergmann, V. R. Vale Filho, V. J. Andrade, S. R. Reis, R. Mendoça, C. G. Fonseca
• Genotype and environment interaction in Colombian Holstein cattle

  Mario F. Cerón Muñoz, H. Tonhati, C. Costa, F. Benavides
• Considerations on models to predict crossbred performance in cattle

  Fernando Madalena

  108-117
• Reproductive efficiency related traits evaluation in beef genotypes under humid tropical conditions

  Eduardo Casas, Assefaw Tewolde
• Reproductive efficiency related traits evaluation in dairy genotypes under humid tropical conditions

  Eduardo Casas, Assefaw Tewolde
• Quantitative genetic study of milk production in goats of the Saanen breed

  P. Tholon, Sandra A. de Queiroz, A. C. Ribeiro, K. T. Resende, S. D. Ribeiro
• Genetic parameters of milk production, evaluation of sires, and characterization of dairy farms in the humid tropics of Costa Rica

  Heriberto Gomez-Castro, Assefaw Tewolde
• Effect of somatic cell scores on functional longevity of dairy cattle assessed by survival analysis.

  Zuleima Romelia Chirinos, Delfino Hernández, María Jesús Carabaño
• Microsatellites (STR’s), ADN molecular markers for excellency for conservation programs: A review

  Jose A. Aranguren-Mendez, Rafael Roman, William Isea-Villasmil, Y. Villasmil, J. Jordana
• Prologo

  Francisco Morillo-Andrade
• Introduction and evaluation of Romosinuano in the U.S.A.

  C. C. Chase, Andrew C. Hammond, Timothy A. Olson, C. N. Murphy, Assefaw Tewolde, J. L. Griffin
• Un programa de mejoramiento genético para la producción de leche en ambiente tropical: Resultados de los primeros cuatro años

  Franco Cerutti
• Cruzamientos en Cuba: Experiencias y perspectivas

  Delia Lopez
• Polimorfismo en caseína y la calidad de la leche en ganados criollos lecheros

  Jorge de Alba
• Los Criollos bovinos y los sistemas de producción animal en los trópicos de América Latina

  Assefaw Tewolde
• Las razas autóctonas españolas y su participación en los bovinos criollos iberoamericanos

  Manuel Beteta Ortiz
• Analysis of dual purpose cattle production systems in Chiapas, Mexico

  Heriberto Gomez-Castro, Assefaw Tewolde, Jose Nahed Toral
• Characterization of genetic-biochemical polymorphism of enzymes in brazilian Mangalarga mares

  R. de Lima e Siilva, J. Bortolozzi, P. R. Ramos, Silvia Dierckx
• Use of segmented polynomials to study the lactation curve of Murrah and their crossed breeds of buffaloes under an extensive production system in the State of Sao Paulo

  M. Muñoz-Berrocal, H. Tonhati, M. F. Ceron-Muñoz, L. O. Seno, A. R. Otaviano
• Genetic evaluation by animal model techniques of first lactation length and mean daily milk yield of the Caracu breed

  Celia Raquel Quirino, J. C. Perer, C, S. Pereira, Jose A Bergmann

  71-78
• Population structure of the registered Indubrasil cattle in Brazil

  A. E. Vercesi Filho, F. Carvalho Faria, Fernando E. Madalena, L. A. Josahkian
• Genetic divergence study among Duroc, Landrace and Large White swine breeds using techniques of multivariate analysis

  A. Vieira Pires, R. da Fonseca, J. Araujo Cobuci, C. Vieira Araujo, A. Correa da Costa, P. Savio Lopes, Robledo de Almeida Torres, Ricardo Frederico Euclydes
• Identification of quantitative trait loci in beef cattle

  Eduardo Casas
• Use of test day milk yields for genetic evaluation in dairy cattle - a review

  W. J. Ferreira, N. M. Texeira, R. de Almeida Torres, M. Barbosa da Silva
• Genetic analysis of days to calving in Nelore beef cattle

  Selma Forni, L. Talarico Dias, L. G. de Albuquerque
• Estimates of genetic parameters and evaluation of genotype x environment interaction for weaning weight in Nellore cattle

  Julio Cesar de Souza, Claudia Helena Gadini, Luís Otávio Campos Da Silva, Alcides De Amorim Ramos, Kepler Euclides Filho, Maurício Mello de Alencar, Paulo Bahiense Ferraz Filho, L. D. Van Vleck
• Estimates of genetic parameters for birth and monthly weights till 450 days in Guzerá cattle

  L. C. Pelicioni, Sandra A. de Queiroz, L. G. de Albuquerque
• The use of genetic markers in swine. II. Performance and meat quality traits

  M. V. da Silva, P. S. Lopes, S. E. Guimaraes, R. de Almeida Torres
• The use of genetic markers in swine. I. Reproductive and disease resistance traits

  M. V. da Silva, P. S. Lopes, S. E. Guimaraes, R. de Almeida Torres
• Alternative Animal Models to Estimate Heritabilities and Genetic Correlations Between Direct and Maternal Effects of Pre and Post-Weaning Weights of Tabapuã Cattle

  Paulo Bahiense Ferraz Filho, Alcides de Amorim Ramos, Luiz Otávio Campos da Silva, Julio Cesar de Souza, Maurício Mello de Alencar
• Genetic and environmental factors influencing beef tenderness

  Liliana A. Soria, Pablo M. Corva