Título:	Factors affecting feed efficiency in dairy goats
Autor(es):	Oliveira, Tadeu Silva de Leonel, Fernando de Paula Silva, Cássio José da Baffa, Danielle Ferreira Pereira, José Carlos Zervoudakis, Joanis Tilemahos
Assunto:	Alimentação dos animais Cabra Leite - produção
Data de publicação:	2014
Editora:	Sociedade Brasileira de Zootecnia
Referência:	OLIVEIRA, Tadeu Silva de et al. Factors affecting feed efficiency in dairy goats. Revista Brasileira de Zootecnia, Viçosa, v. 43, n. 10, p. 524-529, out. 2014. DOI: http://dx.doi.org/10.1590/S1516-35982014001000003. Disponível em: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982014001000524&lng=en&nrm=iso. Acesso em: 22 out. 2019.
Abstract:	The objective of this study was to present some factors affecting feed efficiency in dairy goats. To develop our work, individual and average data from performance experiments with lactating goats were used. The following variables were evaluated: gross feed efficiency, adjusted feed efficiency, dry matter intake, milk-yield, 3.5% fat-corrected milk yield, dry matter digestibility, dietary neutral detergent fiber content, different roughage-to-concentrate ratios and body weight. The statistical analyses involved the application of descriptive and dispersion measures besides Pearson's correlation coefficient and linear regression analysis. The analyzed variables were highly correlated with feed efficiency. The feed efficiency of lactating goats was affected by the milk fat correction, dry matter digestibility, dietary fiber content, proportion of roughage in the diet and body weight. Among these factors, standardization of the milk fat appeared to be the most efficient in correcting the feed efficiency in lactating goats. Correction of some of these factors implies greater precision in the measurement of feed efficiency.
Unidade Acadêmica:	Faculdade de Agronomia e Medicina Veterinária (FAV)
Licença:	Copyright © 2014 Sociedade Brasileira de Zootecnia. This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
DOI:	https://dx.doi.org/10.1590/S1516-35982014001000003
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