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Master's Dissertation
DOI
https://doi.org/10.11606/D.74.2011.tde-10082011-153613
Document
Author
Full name
Renato Nascimento Rodrigues
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
Pirassununga, 2011
Supervisor
Committee
Zanetti, Marcus Antônio (President)
Setti, Mara Cristina
Silva, Saulo da Luz e
Title in Portuguese
Desempenho de novilhos Nelore à pasto no período das águas e terminando em confinamento
Keywords in Portuguese
Energia
Mineral
Proteína
Suplementação
Abstract in Portuguese
Esse trabalho objetivou estudar os efeitos da suplementação de novilhos Nelore de sobreano no período das águas em pastagem e a posterior terminação em confinamento. O experimento foi conduzido com 40 animais, inicialmente em quatro piquetes de 6,75 ha cada, de Brachiaria brizantha e teve duração de seis meses. Após esse período, os animais foram levados para baias individuais do confinamento, que teve duração variável e terminava quando os animais atingiam o peso de abate (450,00 kg). Para a suplementação em pastagem, os 40 animais foram divididos em 4 grupos de 10 animais (um para cada pasto), sendo que dois grupos receberam suplemento mineral (controle) e dois, suplemento energético (suplementado). Após o período em pastagem, os animais foram terminados em confinamento, com dieta única. A suplementação energética em pastagem propiciou maior ganho em peso dos animais (P< 0,05). No confinamento, os animais que receberam suplementação nas águas atingiram o peso de abate mais cedo, mas os do grupo controle apresentaram os maiores ganhos (P<= 0,05).
Title in English
Performance of Nellore steers grazing in a water period and feedlot finished
Keywords in English
Energy
Mineral
Protein
Supplementation
Abstract in English
This research investigated the effects of yearling Nellore supplementation during the water period of grazing and subsequent feedlot finishing. The experiment was conduced with 40 animals, initially in four paddocks of 6,75 ha each, of Brachiaria brizantha during six months. After this period, the animals were moved to individual stalls in feedlot area, wich had variable duration and ended when the animals reached slaughter weight (450.00 kg). For the supplementation in grazing period, the 40 animals were divided in four groups of 10 animals (one for each paddock), and two groups were fed with mineral supplement (control) and two with energy supplement (supplemented). After the grazing period, the animals were finished in feedlot with only one diet. Energy supplementation in grazing period causes greater weight gain of animals (P< 0,05). In feedlot, animals that were supplemented in water period reached slaughter weight earlier, but the unsupplemented group had the highest weight gain (P<= 0.05).
 
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ME5585663.pdf (327.00 Kbytes)
Publishing Date
2011-08-12
 
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