Filter by:

Publication year
More...
Language of publication
Embrapa Units
Types of publication

Search by:

 

Author(s): COSTA, C. N.; CARVALHEIRA, J.; COBUCI, J. A.; FREITAS, A. F. de; THOMPSON, G.

This study was aimed to estimate variance components and genetic parameters for daily fat and protein yields of Brazilian Holstein cattle, using an autoregressive test day multiple lactations (AR) ani... ...

Repository: BDPA     Publication year: 2010

Author(s): COSTA, C. N.; COBUCI, J. A.; SANTOS, G. G. dos; THOMPSON, G.; CARVALHEIRA, J.

Repository: BDPA     Publication year: 2014

Author(s): SILVA, A. A.; SILVA, D. A.; GUIMARÃES, S. E. F.; LOPES. P. S.; SILVA, F. F.; THOMPSON, G.; COSTA, C. N.; CARVALHEIRA, J.

Repository: BDPA     Publication year: 2018

Author(s): MELO, C. M. R. de; PACKER, I. U.; COSTA, C. N.; MACHADO, P. F.

Covariance components for test day milk yield using 263 390 first lactation records of 32 448 Holstein cows were estimated using random regression animal models by restricted maximum likelihood. Three... ...

Repository: BDPA     Publication year: 2007

Author(s): COBUCI, J. A.; COSTA, C. N.; BRACCINI NETO, J.; FREITAS, A. F. de

Records of test-day milk yields of the first three lactations of 25,500 Holstein cows were used to estimate genetic parameters for milk yield by using two alternatives of definition of fixed regressio... ...

Repository: BDPA     Publication year: 2011

Author(s): FREITAS, L. S.; SILVA, M. A.; VERNEQUE, R. S.; VALENTE, B. D.; TEODORO, R. L.; PEIXOTO, M. G. C. D.; PEREIRA, J. C. C.

Os modelos de regressão aleatória representam uma promissora alternativa para ajuste a dados de produção de leite no dia do controle. A sua utilização, em substituição aos modeles tradicionais, que co... ...

Repository: BDPA     Publication year: 2008

Author(s): BIASSUS, I. de O.; COBUCI, J. A.; COSTA, C. N.; RORATO, P. R. N.; BRACCINI NETO, J.; CARDOSO, L. L.

The objective of this study was to estimate genetic parameters for milk, fat and protein yields of Holstein cows using 56,508; 35,091 and 8,326 test-day milk records from 7,015, 4,476 and 1,114 cows,... ...

Repository: BDPA     Publication year: 2011

Author(s): PYLES, M. V.; MULLER, M. D.; JORGE, D. L.; NOGUEIRA, G. S.

Repository: BDPA     Publication year: 2015

Author(s): GOMES, E. G.; SOUZA, G. da S. e; GAZZOLA, R.; AVILA, A. F. D.

We use census data (1996 and 2006) to model the agricultural production at state level in Brazil. Cost efficiency measurements are computed using data envelopment analysis and the response is assessed... ...

Repository: BDPA     Publication year: 2010

Author(s): AMARO, G. C.; FIDELIS, E. G.; SILVA, R. S. da; MEDEIROS, C. M. de

The red palm mite, Raoiella indica Hirst, is the most invasive pest, having spread quickly to several countries. In Brazil it is already present in several regions and has a high potential for dispers... ...

Repository: BDPA     Publication year: 2021

Observation

Some of Embrapa's publications are published as ePub files. To read them, use or download one of the following free software options to your computer or mobile device. Android: Google Play Books; IOS: iBooks; Windows and Linux: Calibre.

 


Access other publications

Access the Agricultural Research Database (BDPA) to consult Embrapa's full library collection and records.
Visit Embrapa Bookstore to purchase books and other publications sold by Embrapa.