Nutritive value of Tifton 85 hay ammoniated with urea
AUTOR(ES)
Almeida, João Carlos de Carvalho
FONTE
Acta Sci., Anim. Sci.
DATA DE PUBLICAÇÃO
07/01/2019
RESUMO
ABSTRACT. The effect of ammonization was evaluated with urea at doses of 1, 2, 3 and 4%, on the basis of dry matter (DM) on Tifton 85 hay harvested at an advanced stage of development in the periods of 30 and 45 days, through analysis of dry matter, ash, ether extract (EE), neutral (NDF) and acid (ADF) detergent fiber, NDF corrected for ash and protein (NDFap), cellulose, lignin, crude protein (CP), acid detergent insoluble nitrogen (ADIN), fractionation of carbohydrates and in vitro gas production (Parameters: V f1 , k 1 , V f2 , k 2 and L). The variables DM, EE, NDF, ADF, lignin, cellulose, NDFap, fraction A + B1, fraction B2 and C of carbohydrates, and the V f1 and V f2 parameters were influenced by treatments (p < 0.05). While DM, NDF, NDFap, fraction A + B1, C, CP and V f2 showed linear effects according to the dose, NIDA and hemicellulose presented quadratic effects. V f1 and V f2 were also influenced by the treatment period. The ammonization with 2.7% urea on the basis of DM promotes improvement of Tifton 85 hay treated for 45 days, observed after derivation of the regression equation and evaluation of the nutritional and kinetic degradation in vitro.
Documentos Relacionados
- Nutritive value of Tifton 85 hay treated with urea
- Nutritional value of dehydrated maize straw ammoniated with urea
- PRODUCTIVITY AND NUTRITIVE VALUE OF TIFTON 85 IN SUMMER, WITH AND WITHOUT IRRIGATION UNDER DIFFERENT NITROGEN DOSES
- Production of tifton 85 hay overseeded with white oats or ryegrass
- Tifton 85 bermudagrass (Cynodon sp.) silage as a replacement for Tifton 85 hay to feed lactating cows