Citas bibligráficas
Aguila, R., (2014). Evaluación de tres tipos de pasturas y su efecto en el contenido de nitrógeno uréico en leche de vacas bajo pastoreo en Pucallpa [Tesis, Universidad Nacional Agraria La Molina]. https://hdl.handle.net/20.500.12996/2329
Aguila, R., Evaluación de tres tipos de pasturas y su efecto en el contenido de nitrógeno uréico en leche de vacas bajo pastoreo en Pucallpa [Tesis]. : Universidad Nacional Agraria La Molina; 2014. https://hdl.handle.net/20.500.12996/2329
@mastersthesis{renati/246278,
title = "Evaluación de tres tipos de pasturas y su efecto en el contenido de nitrógeno uréico en leche de vacas bajo pastoreo en Pucallpa",
author = "Aguila Lomas, Roberto del",
publisher = "Universidad Nacional Agraria La Molina",
year = "2014"
}
The effects of three types of pastures in the content of urea nitrogen in milk (NUL), were evaluated in crossbred dams dual purpose under grazing in the humid tropics, region Ucayali, Peru, through double 3 x 3 Latin square design. T1: was an Association of gramineous B. decumbens with legumes; T2: grass B. decumbens single and T3: pasture naturalized with high percentage of weeds. More precipitation during the production of the grass mixture (1351 kg MS.ha-1) was not different (P < 0.05) to the of the grass alone, both were better that T3, instead during the lower precipitation, the associated pasture was better than other pastures. The crude protein (CP) in the Association (10.6%) was higher (P < 0.05) than in the single grass and naturalised pasture. Digestibility of dry matter of the Association was similar (P < 0.05) to the grass alone. The metabolizable energy in the Association (1110 Kcal/kg DM) was better (P < 0.05) than in other pastures. Greater (P < 0.05) content NUL there was at the time of greatest precipitation (11.2 mg.dL-1). The NUL in the associated pasture (11.7) was higher (P < 0.05) in B. decumbens single (8.8) and naturalised pasture (7.3 mg.dL-1). The results suggest that you low conditions that producer manages milking cows feed, it is likely that is unable to meet the protein needs of animals, regardless of the types of cows, but could be achieved a better response if you use extra protein to the legumes. He is expecting that in the short term, dual purpose cows protein supplementation can improve production.
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