Data/hora: 10/06/2024 13:36:32

Provedor de dados: | Revista Brasileira de Zootecnia
País: | Brazil
Título: | Performance and carcass characteristics of lambs fed a solution of crude glycerin during feedlot and pre-slaughter lairage
Autores: | Silva,Fredson Vieira e; Borges,Iran; Silva,Vandenberg Lira; Lana,Ângela Maria Quintão; Borges,Ana Luiza Costa Cruz; Reis,Sidnei Tavares dos; Araújo,Alexandre Ribeiro; Matos,Aylle Medeiros.
Data: | 2018-01-01
Ano: | 2018
Palavras-chave: | Carcass quality; Meat quality; Sheep; Slaughterhouse; Welfare.
Resumo: | ABSTRACT The objective of this study was to evaluate performance and carcass and meat characteristics of lambs fed a solution of crude glycerin plus water (100 g kg−1 of dry matter) (GLY) during feedlot and pre-slaughter lairage. Data were analyzed as a 2 × 2 factorial (GLY available or not in feedlot and GLY available or not in the slaughterhouse). We evaluated the following treatments (feedlot/slaughterhouse): GLY/GLY, GLY/water, water/GLY, and water/water (control). Lambs fed a balanced diet for 70 days in the feedlot. Slaughter started 12 h after the animals arrived at the slaughterhouse. Dry matter intake, feed conversion, average daily gain, and body weight of lambs fed GLY were similar to those of control lambs. Lambs receiving GLY ingested more water in the feedlot. At the slaughterhouse, water/GLY animals ingested more glycerin and water than GLY/water animals ingested water. Group GLY/GLY had lower drip loss in carcasses than the group GLY/water. The other carcass and meat characteristics (carcass weight, pH, subcutaneous fat thickness, ribeye area, color, water holding capacity, cooking losses, and shear force) were similar among treatments. Solution of crude glycerin plus water can be used as a dietary ingredient for lambs, since it improves hydration and does not change performance and carcass characteristics. This solution supplied as a pre-slaughter supplement does not improve carcass and meat characteristics.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982018000100603
Editor: | Sociedade Brasileira de Zootecnia
Relação: | 10.1590/rbz4720170032
Formato: | text/html
Fonte: | Revista Brasileira de Zootecnia  v.47 2018
Fonte: | info:eu-repo/semantics/openAccess