Detoxified castor in the diets of dairy goats: I. Effects on intake, digestibility, and renal and hepatic parameters



Título del documento: Detoxified castor in the diets of dairy goats: I. Effects on intake, digestibility, and renal and hepatic parameters
Revista: Revista Brasileira de Zootecnia
Base de datos: PERIÓDICA
Número de sistema: 000445666
ISSN: 1516-3598
Autores: 1
2
3
2
3
3
3
4
Instituciones: 1Universidade Estadual do Maranhao, Itapecuru-Mirim, Maranhao. Brasil
2Empresa Brasileira de Pesquisa Agropecuaria, Caprinos e Ovinos, Sobral, Ceara. Brasil
3Universidade Federal do Ceara, Fortaleza, Ceara. Brasil
4Universidade Federal do Tocantins, Araguaina, Tocantins. Brasil
Año:
Volumen: 49
País: Brasil
Idioma: Inglés
Tipo de documento: Artículo
Enfoque: Experimental, analítico
Resumen en inglés The objective was to evaluate the intake, digestibility, nitrogen balance, and metabolic profile of lactating goats fed diets containing detoxified castor cake (DCC) by alkaline solutions during 150 days of lactation. Twenty-four Saanen and Anglo Nubian goats, approximately 17 months old (first lactation) and body weights of 43±2.97 kg, were distributed in a completely randomized block design with eight replicates. Treatments consisted of three diets, one containing soybean meal (SM) and two others containing DCC, with calcium hydroxide [Ca(OH)2] and sodium hydroxide (NaOH). The diets significantly influenced the intake of dry matter (DM), crude protein (CP), ether extract (EE), neutral detergent fiber (NDF), and total digestible nutrients (TDN). We observed a higher dry matter intake (DMI) in goats fed SM, similar to that of goats fed Ca(OH)2 DCC. Intake of nutrients followed the same trend as DMI. There was no significant effect of diets on digestibility of DM, CP, EE, and NDF; however, we observed a significant effect of diets on the levels of nitrogen intake (NI) and urinary nitrogen (UN). The goats fed SM consumed a larger quantity of nitrogen, but all had the same nitrogen balance, indicating that goats fed DCC were more efficient. The diets did not influence renal and hepatic parameters. Inclusion of castor cake in the diet of goats in confinement is an attractive option, considering that goats fed DCC present lower feed conversion, and its use does not cause hepatic and renal alterations, suggesting that SM can be completely replaced
Disciplinas: Medicina veterinaria y zootecnia
Palabras clave: Ovinos y caprinos,
Nutrición animal,
Ricino,
Desintoxicación,
Cabras,
Leche,
Digestibilidad
Keyword: Sheep and goats,
Animal nutrition,
Ricine,
Detoxification,
Goats,
Milk,
Digestibility
Texto completo: Texto completo (Ver HTML) Texto completo (Ver PDF)