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Frequency of free-stall occupancy by dairy cows. Author(s): CECCHIN, D.; CAMPOS, A. T.; YANAGI JUNIOR, T.; PIRES, M. de F. A.; LOURENÇONI, D.; SOUSA, F. A.; CECCHIN, D. Abstract: The objective of the present study was to evaluate the behavior of dairy cows confined in free-stall systems. Eighteen Holstein cows were evaluated in this research. The following frequencie... ... Repository: BDPA Publication year: 2015
Prostaglandin F2a as ovulatory stimulus in dairy cows and buffaloes raised in the Amazon biome. Author(s): PFEIFER, L. F. M.; CASTRO, N. A. de; CESTARO, J. P.; SCHNEIDER, A. This study evaluated the effect of a prostaglandin F2a (PGF) analogue as an ovulatory stimulus in dairy cows and buffaloes raised in the Amazon biome. To this end, three experiments were performed in... ... Repository: BDPA Publication year: 2021
Nutritive value of Tanzania grass for dairy cows under rotational grazing. Author(s): FERNANDES, A. M.; DERESZ, F.; HENRIQUE, D. S.; LOPES, F. C. F.; GLÓRIA, L. S. Repository: BDPA Publication year: 2014
Tithonia diversifolia as a supplementary feed for dairy cows. Author(s): RIBEIRO, R. S.; TERRY, S. A.; SACRAMENTO, J. P.; SILVEIRA, S. R. e; BENTO, C. B. P.; SILVA, E. F. da; MANTOVANI, H. C.; GAMA, M. A. S. da; PEREIRA, L. G. R.; TOMICH, T. R.; MAURÍCIO, R. M.; CHAVES, A. V. Abstract The objective of this study was to examine the effects of Tithonia diversifolia as a supplementary forage on dairy cow performance and methane production. Nine lactating Holstein × Zebu dairy... ... Repository: BDPA Publication year: 2016
Performance of dairy cows under grazing alfalfa: nutritional management for the winter season. Author(s): KUWAHARA, F. A.; FERREIRA, R. de P.; TUPY, O.; COSTA, C.; MEIRELLES, P. R. L.; AMBIEL, A. C. Repository: BDPA Publication year: 2014
Early versus late body condition score loss in dairy cows: reproductive performance. Author(s): PFEIFER, L. F. M.; LIMA, R. A. de; NAKASHIMA, S. H.; SILVA, J. T. da; SCHMITT, E. This study aimed to compare milk production and reproductive performance in high yield Holstein cows that lose BCS early and late in the postpartum period. Lactating dairy cows (n = 76) were received... ... Repository: BDPA Publication year: 2023
Economic impact of the use of alfalfa in dairy cows. Author(s): TUPY, O.; FERREIRA, R. de P.; VILELA, D.; ALVES, E. R. de A. Repository: BDPA Publication year: 2016
Field assessment of a BCS measuring device at timed AI in crossbread dairy cows of Amazonian smallholders. Author(s): PFEIFER, L. F. M.; BARBOSA, I. P.; PIONTE, P.; SIQUEIRA, L. G. B. This study aimed to evaluate the efficiency of a body condition score (BCS) assessment device (BCAD) to identify cows with an adequate BCS and, presumably, a higher fertility when subjected to timed a... ... Repository: BDPA Publication year: 2023
Effect of butaphosphan and cyanocobalamin on postpartum metabolism and milk production in dairy cows. Author(s): PEREIRA, R. A.; SILVEIRA, P. A. S.; MONTAGNER, P.; SCHNEIDER, A.; SCHMITT, E.; RABASSA, V. R.; PFEIFER, L. F. M.; DEL PINO, F. A. B.; PULGA, M. E.; CORRÊA, M. N. O objetivo deste estudo foi determinar o efeito de butaphosphan e cianocobalamina (BTPC) no plasma e na produção de leite, em vacas leiteiras no pós-parto. Repository: BDPA Publication year: 2013
Protein requirements for pregnant dairy cows. Author(s): MARCONDES, M. I.; PROVAZZI, F. P.; SILVESTRE, T.; SILVA, A. L.; VALADARES FILHO, S. C.; CAMPOS, M. M.; MACHADO, F. S.; ROTTA, P. P. We aimed to estimate the protein requirements of pregnant Holstein × Gyr cows. Sixty-one Holstein × Gyr (HG) cows were used, with an average initial BW of 480 ± 10.1 kg and 5 ± 0.5 yrs of age. Cows we... ... Repository: BDPA Publication year: 2023

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