Urea levels in multiple supplement for lambs grazing on buffelgrass - doi: 10.4025/actascianimsci.v32i4.7829
Autor: | Voltolini, Tadeu Vinhas, Moraes, Salete Alves de, Araújo, Gherman Garcia Leal de, Oliveira, Pablo Leal Teixeira de, Pereira, Luiz Gustavo Ribeiro |
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Jazyk: | portugalština |
Rok vydání: | 2010 |
Předmět: | |
Zdroj: | Acta Scientiarum. Animal Sciences; Vol 32 No 4 (2010); 461-465 Acta Scientiarum. Animal Sciences; v. 32 n. 4 (2010); 461-465 Acta Scientiarum. Animal Sciences Universidade Estadual de Maringá (UEM) instacron:UEM |
ISSN: | 1807-8672 1806-2636 |
Popis: | The objective of present trial was to evaluate the intake of supplement dry matter, productive performance, carcass traits, and weight and yields of commercial meat cuts of lambs grazing on dormant buffelgrass pastures and receiving multiple supplementation containing different urea levels. Urea levels used were: 5, 8, 11 and 14% on dry matter. Thirty-six male lambs were used, nine animals per treatment, with 18.0 ± 2.0 kg initial body weight, distributed into four groups. The experimental design was completely randomized with nine replications. Urea levels in supplement did not influence productive performance, cold and hot carcass weight and yield and commercial meat cuts weight and yield (leg, shoulder, rib and brisket). Use of multiple supplements containing 11 and 14% of urea levels for lambs in dormant grazing pastures during the dry season may increase bioeconomic performance of this activity, as they promoted lower supplement intake and similar productive performance. The objective of present trial was to evaluate the intake of supplement dry matter, productive performance, carcass traits, and weight and yields of commercial meat cuts of lambs grazing on dormant buffelgrass pastures and receiving multiple supplementation containing different urea levels. Urea levels used were: 5, 8, 11 and 14% on dry matter. Thirty-six male lambs were used, nine animals per treatment, with 18.0 ± 2.0 kg initial body weight, distributed into four groups. The experimental design was completely randomized with nine replications. Urea levels in supplement did not influence productive performance, cold and hot carcass weight and yield and commercial meat cuts weight and yield (leg, shoulder, rib and brisket). Use of multiple supplements containing 11 and 14% of urea levels for lambs in dormant grazing pastures during the dry season may increase bioeconomic performance of this activity, as they promoted lower supplement intake and similar productive performance. |
Databáze: | OpenAIRE |
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