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Impact of supplementation during the rainy and dry seasons on ovarian responses in Girolando cows. Author(s): NUNES, V. R. R.; MOREIRA, E. M.; SILVA, G. M. da; NEVES, P. M. A.; SOUZA, V. L. de; ANDRADE, J. de S.; SANTOS, I. A. P.; PFEIFER, L. F. M. Impacto da suplementação na resposta ovariana de vacas Girolando durante a estação seca e chuvosa. Repository: BDPA Publication year: 2019
Effect of ovulatory follicle diameter and progesterone concentration on the pregnancy rate of fixed-time inseminated lactating beef cows. Author(s): PFEIFER, L. F. M.; LEAL, S. del C. B. de S.; SCHNEIDER, A.; SCHMITT, E.; CORRÊA, M. N. The objective of this study was to evaluate the influence of the ovulatory follicle diameter on the reproductive performance of lactating beef cows subjected to low progesterone fixed-time artificial... ... Repository: BDPA Publication year: 2012
Milk production of nelore cows under mineral supplementation with virginamycin as an additive. Author(s): CAVALI, J.; ASSIS, A. A. R. de; PORTO, M. O.; SALES, M. F. L.; OLIVEIRA JÚNIOR, J. S.; FERREIRA, E.; ABATI, E. C.; LAZARI, T. A. The milk production of beef cows has a direct influence on the weight gain of their calves. The use of supplements that can increase milk production of beef cows has been studied in recent years, aimi... ... Repository: BDPA Publication year: 2017
Effects of equine chrionic gonadotrophin (eCG) on corpus luteum development and progesterone concentrations in Nelore cows. Author(s): VICENTE, W.; BERGAMASCHI, M. A. C. M.; VICENTE, W. R. R.; BARBOSA, R. T.; MACHADO, R.; BARUSELLI, P. S.; ALENCAR, M. M. de; BINELLI, M. This trial aimed to test eCG as an enhancer of the luteal function, as well as to evaluate the ability of eCG to delay or prevent luteolysis mechanism. A group of 32 mature, synchronized (CRESTAR@), l... ... Repository: BDPA Publication year: 2006
Energy requirements for pregnant dairy cows. Author(s): SGUIZZATO, A. L. L.; MARCONDES, M. I.; DIJKSTRA, J.; VALADARES FILHO, S. de C.; CAMPOS, M. M.; MACHADO, F. S.; SILVA, B. C.; ROTTA, P. P. This study aimed to estimate energy requirements of pregnant Holstein × Gyr cows. Different planes of nutrition were established by two feeding regimens: ad libitum or maintenance. Sixty-two nonlactat... ... Repository: BDPA Publication year: 2020
Milk production and quality of cows grazing intensive and extensive pasture areas. Author(s): ALVES, T. C.; PEDROSO, A. de F.; PEDROSO, A. M.; LEMES, A. P.; PASSERI, L. F.; SILVA, L. R. da; BACARO, C. F.; OLIVEIRA, P. P. A. Repository: BDPA Publication year: 2014
Effects of equine Chorionic Gonadotrophin (eCG) on ovarian dynamics in Nelore cows. Author(s): BERGAMASCHI, M. A. C. M.; VICENTE, W. R. R.; BARBOSA, R. T.; MACHADO, R.; BARUSELLI, P. S.; ALENCAR, M. M. de; BINELLI, M. Repository: BDPA Publication year: 2006
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
Changes in the carcass characteristics of zebu cows under different feeding management systems. Author(s): FAUSTO, D. A.; REZENDE, M. A.; FERRAZ, A. L. J; SOUZA, G. M; DELGADO, E. F; FEIJO, G. L. D. Repository: BDPA Publication year: 2013
Daily vaginal temperature in Girolando cows from three different genetic composition under natural heat stress. Author(s): CARVALHEIRA, L. de R.; WENCESLAU, R. R.; RIBEIRO, L. dos S.; CARVALHO, B. C. de; BORGES, A. M.; CAMARGO, L. S. de A. The present trial evaluated the effect of crossbred composition and Temperature and Humidity Index (THI) on vaginal temperature (VT) of Girolando dairy cows maintained under tropical pasture during wa... ... Repository: BDPA Publication year: 2021

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