Title:	Reductions in the water supply to crossbred Santa Inês ewes in the Brazilian semi-arid: apparent nutrient digestibility, water and nitrogen balance, and performance.
Authors:	LIMA, P. R. de ARAÚJO, C. de A. CAMPOS, F. S. MENEZES, V. G. RIBEIRO, N. L. ARAUJO, G. G. L. de MENEZES, D. R. MATOS, M. H. T. de QUEIROZ, M. A. A. SANTOS, E. M.
Affiliation:	PATRÍCIA RODRIGUES DE LIMA, Universidade Federal da Paraíba, Areia, PB; CLEITON DE ALMEIDA ARAÚJO, UNIVASF; FLEMING SENA CAMPOS, Universidade Federal do Maranhão, Chapadinha, MA; VANÚZIA GONÇALVES MENEZES, UNIVASF; NEILA LIDIANY RIBEIRO, INSA; GHERMAN GARCIA LEAL DE ARAUJO, CPATSA; DANIEL RIBEIRO MENEZES, UNIVASF; MARIA HELENA TAVARES DE MATOS, UNIVASF; MARIO ADRIANO AVILA QUEIROZ, UNIVASF; EDSON MAURO SANTOS, Universidade Federal da Paraíba, Areia, PB.
Date Issued:	2023
Citation:	Small Ruminant Research, v. 226, 107021, 2023.
Description:	This study aimed to evaluate the intake and nutrient digestibility, water, and nitrogen balance of Santa In?es crossbred ewes under confinement receiving reductions in the water supply. Thirty-two Santa In?es crossbred ewes, at an average body weight of 32.2 ± 7.4 kg and age of 2.3 ± 0.99 years, were distributed in a completely randomized design, with four treatments, and eight animals per treatment, the treatments were 100%, 80%, 60%, and 40% of ad libitum water. Nutrient intake and digestibility, water and nitrogen balance, and perfor- mance were evaluated. The reductions in the water supply did not promote significant alterations, in the nutrient intake, or apparent digestibility of the animals (P > 0.05). A linear decreasing effect was observed for free water intake (P < 0.001), total water intake (P < 0.001), total urine output (P = 0.008), water excreted via urine (P = 0.006), water excreted via feces (P = 0.006), total water losses (P < 0.001), water absorbed (P < 0.001), and nitrogen excreted via feces (P = 0.002). The water and nitrogen balance and performance were not influenced by water offers (P > 0.05). It was concluded that water offers of up to 40% of ad libitum intake, do not promote negative effects on intake and apparent nutrient digestibility, mineral intake, nitrogen balance, and water balance in Santa In?es ewes.
Thesagro:	Ovelha Digestibilidade Produção Animal
NAL Thesaurus:	Ewes Animal production
Keywords:	Ingestão de água Eficiência da água Fração de nitrogênio Restrição de água Semiárido Raça Santa Inês Água para ovelhas
DOI:	https://doi.org/10.1016/j.smallrumres.2023.107021
Type of Material:	Artigo de periódico
Access:	openAccess
Appears in Collections:	Artigo em periódico indexado (CPATSA)