Egg quality of Japanese quail (Coturnix japonica) fed diets with different levels of total lysine

Adolpho Marlon Antoniol de Moura; Victor Libardo Hurtado Nery; Rita da Trindade Ribeiro Nobre Soares; José Brandão Fonseca; Ricardo Augusto Mendoça Vieira

Adolpho Marlon Antoniol de Moura Universiade Estadual do Norte Fluminense
Victor Libardo Hurtado Nery Universidad de los Llanos
Rita da Trindade Ribeiro Nobre Soares Universidade Estadual do Norte Fluminense
José Brandão Fonseca Universidade Estadual do Norte Fluminense
Ricardo Augusto Mendoça Vieira Universidade Estadual do Norte Fluminense

Abstract

The effects on Japanese quail egg quality of rations containing 18% crude protein and five levels of total lysine (0.6%, 0.8%, 1%, 1.2%, and 1.4%) were evaluated using 400 birds, 70 d of age and 134.8 ± 3.6 g initial live weight, during a 84-d experiment divided into three 28 d periods. Significant (P < 0.05) quadriatic effects of lysine level were found on egg weight (10.69 g overall mean), weight of egg shell and of yolk, but not of albumin; and percentage of total egg weight constituted by yolk (29.87 mean), and by albumin (61.82 mean), but not by shell (8.3 mean). The treatments did not affect egg shell thickness (0.241 mm mean). The best result was obtained in each case with a lysine level near 1%. As the three periods progressed the absolute and percentage weight of egg shell and its thickness decreased while the opposite occurred with yolk weight.

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Author Biographies

Adolpho Marlon Antoniol de Moura, Universiade Estadual do Norte Fluminense

Zootecnista graduado en la Universidade Federal Rural de Rio de Janeiro, M. Sc. En Producción Animal en la Universidade Estadual do Norte Fluminense, UENF,; Doctorando en Produccion Animal en la UENF.

Victor Libardo Hurtado Nery, Universidad de los Llanos

Médico Veterinario y Zootecnista de la Universidad de los Llanos, Colombia; Especialista en Nutrición Animal de la UNAD, Colombia; M. Sc., en Zooetcnia de la Universidade Federal de Lavras, Brasil; Doctorando en Producción Animal en la Universidade Estadual do Norte Fluminense, Brasil. Profesor de la Universidad de los Llanos, Colombia

Rita da Trindade Ribeiro Nobre Soares, Universidade Estadual do Norte Fluminense

Zootecnista graduada en la Universidade Federal de Viçosa, Brasil, M. Sc., D Sc., en Nutricion Animal de la Universidade Federal de Viçosa, Profesora Asociada de la UENF.

José Brandão Fonseca, Universidade Estadual do Norte Fluminense

Ingeniero Agronómo de la Universidade Federal de Viçosa; M. Sc., Ph. D, en Nutricion Animal de Purdue University; Profesor titular de la Universidade Estadual do Norte Fluminense. Brasil

Ricardo Augusto Mendoça Vieira, Universidade Estadual do Norte Fluminense

Zootecnista de la Universidade Federal Rural de Rio de Janeiro, M. SC., D. Sc. en nutricion Animal de la Universidade Federal de Viçosa, Profesor Asociado de la UENF.