Title:	Berganês, a new sheep breed from the Brazilian semiarid: performance and carcass traits in different sex-classes by univariate and multivariate approaches.
Authors:	SILVA FILHO, J. R. V. da MOURA NETO, J. B. de CHAGAS, E. C. de O. SANTOS, L. T. A. dos SOUZA, J. I. R. de QUEIROZ, M. A. A. RODRIGUES, R. T. de S. VOLTOLINI, T. V.
Affiliation:	JOSÉ RENALDO VILAR DA SILVA FILHO, UNIVASF; JOÃO BANDEIRA DE MOURA NETO, Instituto Federal de Ciência e Tecnologia do Sertão Pernambucano, Petrolina, PE; ELLIO CELESTINO DE OLIVEIRA CHAGAS, Instituto Federal de Ciência e Tecnologia do Sertão Pernambucano, Petrolina, PE; LAYS THAYSE ALVES DOS SANTOS, Univasf; JOSÉ ILSON RODRIGUES DE SOUZA, Instituto Federal de Ciência e Tecnologia do Sertão Pernambucano, Petrolina; MÁRIO ADRIANO ÁVILA QUEIROZ, Univasf; RAFAEL TORRES DE SOUZA RODRIGUES, Univasf; TADEU VINHAS VOLTOLINI, CPATSA.
Date Issued:	2024
Citation:	Acta Scientiarum. Animal Sciences, v. 46, e64120, 2024.
Description:	Twenty-four lambs between four and five months of age were divided into sex classes: uncastrated males, castrated males and females, eight for each treatment, with an average body weight of 27.00 ± 3.13 kg. dry matter and water intakes were higher for uncastrated males (p < 0.001). final body weight, body weight at slaughter, average daily gain and cold carcass weight were greater for uncastrated, intermediate for castrated and lower for females (p < 0.05). hot and cold carcass yields were higher for castrated males and females, respectively. (p < 0.05). based on principal component analysis, twenty-five variables were selected out of thirty-two, in some of the seven principal components generated, summarizing 21.87% data dimension. Discriminant analysis identified greater discrimination power for body weight at slaughter, thorax width, thorax depth, fatness, dry matter intake and hot carcass weight. All lambs were classified into their respective sex classes. Therefore, uncastrated males have performed better than castrated ones and both showed higher performance than females. Females and castrated males showed higher carcass yield. Discriminant analysis indicated heterogeneity between sex classes.
Thesagro:	Ovino Carcaça
NAL Thesaurus:	Multivariate analysis Sheep
Keywords:	Análise multivariada Ovelhas nativas Criação de ovinos Perda de resfriamento Cortes comerciais Raça Berganês
ISSN:	1807-8672
DOI:	10.4025/actascianimsci.v46i1.64120
Type of Material:	Artigo de periódico
Access:	openAccess
Appears in Collections:	Artigo em periódico indexado (CPATSA)