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Vol. 30 No. Supl. 2 (2022): Proceedings IV Congreso Internacional de Producción Animal Especializada en Bovinos, Cuenca, Ecuador

Published: 2022-10-25

Cover page

Cover

i-vii
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Memorial

In memory of Dr. Carlos González Stagnaro

Javier Goicochea Llaque

1-2
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Opinion

Letter of recognition to Dr. Ricardo Horacio Alberio

Diego Andrés Galarza Lucero

3-4
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Invited papers

Rabies, a very current ancestral disease

Elizabeth Loza Rubio

5-11
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Necropsy technique in large animals

Benjamín Doncel Díaz

13-20
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Artificial insemination strategies in cattle: From the conventional to the use of sexed semen

Armando Quintero

21-30
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Uterine inflammation of the postpartum cow. Easier said than done...

Roberto Palomares

31-49
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Original paper

Clinoptilolite supplementation in the basal diet reduces the somatic cells of multiparous dairy cows during the transition period

Marco R. Narváez, Nelson X. Mendoza, Diego A. Galarza, Fernando P. Perea, Juan P. Garzón

51-54
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Obtaining recombinant proteins from Neospora caninum expressed in Escherichia coli

Antonio J. Vallecillo Maza, Jaime E. Maldonado-Rivera

55-56
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Risk factors that influence the frequency of bovine brucellosis in herds of Azuay, Ecuador

Juan Carlos Ramónez Cárdenas, Marco Alberto Ramónez Cárdenas, Edison Alfonso Mainato Aguayza, Gabriela Sofía Garay Peña

57-58
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Swayback in two kids: Case report

Daisy E. Zúñiga, Mireya Juarez R., Luary Martínez, Gerardo Salas, René Rosiles

59-61
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Infectious diseases of cattle diagnosed between 2020 and 2022 in the southern highlands of Ecuador

Jaime E. Maldonado, Cristina C. Pérez

63-65
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Efficacy of the ELISA test in milk samples for the epidemiological surveillance of bovine brucellosis

Omar S. Andrade, Mateo Damián López Espinoza, Andrea E. Vintimilla, Rosa Lucía Lupercio, Jorge G. Bustamante, Jorge B. Dután, Sergio E. Rivera, Guillermo E. Guevara

67-69
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Use of intrauterine ozone therapy to treat subclinical endometritis in repeating service cows

Bryan M. Romero-Aguilar, Jhonny A. Narváez-Terán, Carlos Ortuño-Barba

71-74
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Evaluation of a simplified protocol of superovulation in Holstein cows in production with sexed and conventional semen

Daniel Ernesto Argudo Garzon, Luis M. Sánchez , Joselyn E. Chauca, Juan C. Alvarado, Andrés L. Moscoso, Carlos A. Soria

75-77
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First service conception rate in cows resulting from alternating crossbreeding between Brahman Red and Holstein Red according to breed predominance, generation (dams and daughters), and calving season

Fernando Pedro Perea Ganchou, Eleazar Soto-Belloso, Daniel A. Perdomo, Mariana S. Perea, Roberto A. Palomares, Juan C. Gutiérrez, Hugo Hernández-Fonseca

79-82
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Pregnancy survival in Holstein cows associated with parity and biotype in Uruguay

Juan P. Garzón , Waldemir Santiago Neto, Victoria Urioste, Marcelo Pla, Eduardo Vidal, Santiago Fariña, Gustavo D.A. Gastal

83-86
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Royal jelly supplementation to freezing and vitrification media improves cryosurvival of bull spermatozoa

Luis Galarza-Álvarez, Jacqueline Guanga, Juan Lucero, Xavier Samaniego, Diego Andrés Galarza Lucero

87-89
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Forage characterization in family dairy farms in Trujillo state, Venezuela

Daniel Antonio Perdomo Carrillo, José V. Quintero, Dailin C. Delgado, Haydee E. Rosales, Daibelis Delgado, Víctor M. Pacheco, José A. Piña, Fernando P. Perea

91-93
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Effect of the Covid-19 pandemic on milk production per hectare in Ecuadorian herds

Guillermo Emilio Guevara Viera, Raúl Victorino Guevara Viera, Carlos Santiago Torres Inga, Ángel Eduardo Ceró Rizo

95-97
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Comparison of two doses of FSHp in superovulation of Pelibuey ewes

Juan C. Alvarado, Daniel E. Argudo, Andrés L. Moscoso, Hugo J. Hernández-Fonseca , Fernando P. Perea, José. M. Rodríguez

99-101
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Seminal evaluation of rabbits subjected to a continuous lighting program

Daniel Ernesto Argudo Garzon, Alexandra Eras, Juan C. Alvarado, Andrés L. Moscoso, Dina. M. Veloz

103-105
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Effect of L-carnitine and melatonin on cryosurvival and fertility of spermatozoa of creole roosters (Gallus gallus domesticus)

Diego Andrés Galarza Lucero, Luis M. Guachichullca, Juan P. Hernández

107-110
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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
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Hematological reference values in Chelydra acutirostris turtles in captivity

Flora B. Neves, María Silvana Méndez, Guillermo E. Guevara

115-117
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