Author(s): PRATA, M. C. de A.; EL FARO, L.; VERNEQUE, R. da S.; VERCESI FILHO, A. E.; PEIXOTO, M. G. C. D.; MOREIRA, E. L.; CARDOSO, V. L.

The present study defined breeding goals and proposed selection indices for milk production and quality traits of Gir dairy cattle. The results indicate that milk component traits should be included i... ...

Repository: BDPA     Publication year: 2015

Author(s): RIBEIRO, V. M. P.; MERLO, F. A.; GOUVEIA, G. C.; WINKELSTROTER, L. K.; ABREU, L. R. A.; SILVA, M. V. G. B.; PANETTO, J. C. do C.; PAIVA, L. de C.; CEMBRANELLI, M. de A. R.; TORAL, F. L. B.

The objective of this work was to determine whether the random regression model using linear splines (RRMLS) is suitable to estimate the genetic parameters for productive and reproductive traits of a... ...

Repository: BDPA     Publication year: 2017

Author(s): CHUD, T. C. S.; BICKHART, D. M.; ZERLOTINI NETO, A.; COLE, J. B.; SILVA, M. V. G. B.; MUNARI, D. P.

Gene copy number variants (CNV) have been shown to be associated with several production traits in dairy cattle; however, the detection and validation of CNVs in crossbred cattle is currently lacking.... ...

Repository: BDPA     Publication year: 2018

Author(s): COLE, J. B.; SILVA, M. V. G. B.

Abstract Genomic selection has been a valuable tool for increasing the rate of genetic improvement in purebred dairy cattle populations. However, there also are many large populations of crossbred dai... ...

Repository: BDPA     Publication year: 2016

Author(s): OLIVEIRA, C. S.; CAMARGO, L. S. de A.; SILVA, M. V. G. B.; SARAIVA, N. Z.; QUINTAO, C. C. R.; MACHADO, M. A.

Genomic selection has transformed the livestock industry, enabling early-life selection of animals. Biopsy sampling of pre-implantation embryos has been described since 1968. However, it was only afte... ...

Repository: BDPA     Publication year: 2023

Author(s): PEREIRA, R. J.; SANTANA JUNIOR, M. L.; BIGNARDI, A. B.; VERNEQUE, R. da S.; EL FARO, L.; ALBUQUERQUE, L. G. de

We investigated the effect of stage of pregnancy on estimates of breeding values for milk yield and milk persistency in Gyr and Holstein dairy cattle in Brazil. Test-day milk yield records were analyz... ...

Repository: BDPA     Publication year: 2011

Author(s): SILVA, M. V. G. B.

The objective of this study was to investigate changes in physiological parameters of dairy cows and understand which physiological parameters show greater reliability for verification of heat stress.... ...

Repository: BDPA     Publication year: 2016

Author(s): LIMA, M. A. de; FRIGHETTO, R. T. S.

ABSTRACT: Ruminal gases, particularly methane, generated during the fermentative process in rumen, represent a partial loss of feed energy and are also pointed to as an important factors in greenhouse... ...

Repository: BDPA     Publication year: 2009

Author(s): PRIMAVESI, O. M. A. S. P. R.; LIMA, M. A. de; FRIGHETTO, R. T. S.

Ruminal gases, particularly methane, generated during the fermentative process in rumen, represent a partial loss of feed energy and are also pointed to as an important factors in greenhouse effect. T... ...

Repository: BDPA     Publication year: 2009

Author(s): SOUZA, G. N. de; PEGORARO, L. M. C.; WEISSHEIMER, C. F.; FISCHER, G.; DELLAGOSTIN, O. A.; BIALVES, T. S.; GINDRI, P. C.; LUCAS, R. M.; MULLER, L.; CAVALCANTI, F.; WEILLER, O. H.; MENDONÇA, J. F. M. de

The aim of this study was to describe the epidemiology of infectious bovine rhinotracheitis (IBR), bovine viral diarrhea (BVD), neosporosis (NEO) and leptospirosis (LEP) from the perspective of the im... ...

Repository: BDPA     Publication year: 2019