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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
Evaluation of homeopathic protocols for the treatment of subclinical mastitis in lactating cows. Author(s): ZAFALON, L. F.; MINHO, A. P.; GASPAR, E. B.; SUÑÉ, R. W.; DOMINGUES, R.; CARACUSCHANSKI, F. D.; ALVES, T. C.; BARIONI JUNIOR, W. We analyzed the effects of a homeopathic therapies to control subclinical mastitis in two dairy herds. Two experimental herds were used, one in the municipality of São Carlos, SP (Herd A) and the othe... ... Repository: BDPA Publication year: 2022
Different levels of supplied energy for lactating cows affect physicochemical attributes of milk. Author(s): GABBI, A. M.; MCMANUS, C. M.; MARQUES, L. T.; ABREU, A. S.; MACHADO, S. C.; ZANELA, M. B.; BARBOSA, R. S.; FISCHER, V. Repository: BDPA Publication year: 2018
Genetic evaluation for persistency of lactation in Holstein cows using a random regression model. Author(s): COBUCI, J. A.; EUCLYDES, R. F.; COSTA, C. N.; TORRES, R. de A.; LOPES, P. S.; PEREIRA, C. S. A model for analyzing test day records including both fixed and random coefficients was applied to the genetic evaluation of first lactation data for Holstein cows. Data comprising 87045 test-day milk... ... Repository: BDPA Publication year: 2007
Adjustment of lactation curves of Holstein cows from herds of Minas Gerais, Brazil. Author(s): AZEVEDO JUNIOR, J.; GONÇALVES, T. de M.; SOUZA, J. C. de; RODRIGUEZ, M. A. P.; COSTA, C. N.; CARVALHEIRA, J. G. V. Abstract Random regression models (RRM) differ in terms of the functions used to describe the shape of lactation curves. The aim was to compare random regression models under different functions to de... ... Repository: BDPA Publication year: 2018
Grazing behavior of lactating Murrah buffalo cows supplemented with cupuassu byproduct. Author(s): OLIVEIRA, L. F. M. de; SALMAN, A. K. D.; CRUZ, P. G. da; ROCHA, V. G. R.; ARAÚJO, M. E. C.; ARRUDA NETO, B.; CAVALI, J.; PORTO, M. O. The goal of this work was to evaluate grazing behavior of lactating Murrah buffalo cows supplemented with cupuassu byproduct containing 16.8, 51.4, 8.3, 83.5 and 3.4% of ether extract (EE), neutral de... ... Repository: BDPA Publication year: 2016
Reduction of crude protein in diets fed to lactating Holstein-Gyr cows. Author(s): GUIMARÃES, C. R.; AZEVEDO, R. A. de; CAMPOS, M. M.; MACHADO, F. S.; PEDROSO, A. M.; CARVALHEIRA, L. de R.; TOMICH, T. R.; PEREIRA, L. G. R.; COELHO, S. G. ABSTRACT - The objective of this work was to evaluate the effect of reducing crude protein (CP) contents in diets with a constant metabolizable protein content on the intake, performance, nitrogen bal... ... Repository: BDPA Publication year: 2018
Forage cactus combined with different silages as diets for lactating red Sindhi cows. Author(s): SOBRAL, A. J. da S.; MUNIZ, E. N.; SANTOS, R. D. dos; RANGEL, J. H. de A. Forage cactus (Opuntia ficus-indica Mill) is an important forage resource in the Northeast region of Brazil due to its adaptation to the edaphoclimatic conditions of the region, mainly to the drought... ... Repository: BDPA Publication year: 2022
Methane emission intensities by Holstein and Holstein × Jersey crossbreed lactating cows in two Brazilian grazing systems. Author(s): BERNDT, A.; LEMES, A. P.; ROMERO, L. A.; ALVES, T. C.; PEDROSO, A. M.; PEDROSO, A. de F.; OLIVEIRA, P. P. A. The aim of this study was the evaluation of methane emissions from pure Holstein and half Jersey, half Holstein high-producing lactating cows grazing 2 different forages. Repository: BDPA Publication year: 2014
Gir and Guzerat cow milk production and composition according to lactation stage, somatic cell count, physiological state and body condition. Author(s): ARAÚJO, T. P. M.; RANGEL, A. H. do N.; LIMA, G. F. da C.; PEIXOTO, M. G. C. D.; URBANO, S. A.; BEZERRA, J. da S. ABSTRACT This work was realized to evaluate lactation stage, physiological state, somatic cell count (SCC) and body condition score (BCS) on production and composition of cow's milk from Gir and Guzer... ... Repository: BDPA Publication year: 2018

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