Milk composition and its relationship with weaning weight in Charolais catte
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista Brasileira de Zootecnia (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982015000600207 |
Resumo: | To determine the effects of a number of non-genetic factors on milk components and estimate their indirect relationships with weaning weight (WW205), the percentages of protein, fat, lactose and solids non-fat in Charolais cows from Mexico were estimated. Lactation period (LP) and calving season (CS) had significant effects on protein and fat, whereas lactose and solids non-fat were only affected by the LP. Sire line and age of the dam had significant effects on calf birth weight, while CS affected WW205. Residual correlations between milk components and WW205 suggest a low but significant correlation with lactose. These results demonstrate the importance of several non-genetic factors on the composition of milk from Charolais cows managed under extensive cow-calf production systems and the indirect relationships between these factors and the weaning weight of a calf. |
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Milk composition and its relationship with weaning weight in Charolais cattebeef cattlelactation curvemilk componentsTo determine the effects of a number of non-genetic factors on milk components and estimate their indirect relationships with weaning weight (WW205), the percentages of protein, fat, lactose and solids non-fat in Charolais cows from Mexico were estimated. Lactation period (LP) and calving season (CS) had significant effects on protein and fat, whereas lactose and solids non-fat were only affected by the LP. Sire line and age of the dam had significant effects on calf birth weight, while CS affected WW205. Residual correlations between milk components and WW205 suggest a low but significant correlation with lactose. These results demonstrate the importance of several non-genetic factors on the composition of milk from Charolais cows managed under extensive cow-calf production systems and the indirect relationships between these factors and the weaning weight of a calf.Sociedade Brasileira de Zootecnia2015-06-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982015000600207Revista Brasileira de Zootecnia v.44 n.6 2015reponame:Revista Brasileira de Zootecnia (Online)instname:Sociedade Brasileira de Zootecnia (SBZ)instacron:SBZ10.1590/S1806-92902015000600002info:eu-repo/semantics/openAccessContreras,Víctor Inocencio PachecoBracamonte,Gaspar Manuel ParraBustamante,Luis Arístides LópezMedina,Víctor Ricardo MorenoRincón,Ana María Sifuenteseng2016-09-13T00:00:00Zoai:scielo:S1516-35982015000600207Revistahttps://www.rbz.org.br/pt-br/https://old.scielo.br/oai/scielo-oai.php||bz@sbz.org.br|| secretariarbz@sbz.org.br1806-92901516-3598opendoar:2016-09-13T00:00Revista Brasileira de Zootecnia (Online) - Sociedade Brasileira de Zootecnia (SBZ)false |
dc.title.none.fl_str_mv |
Milk composition and its relationship with weaning weight in Charolais catte |
title |
Milk composition and its relationship with weaning weight in Charolais catte |
spellingShingle |
Milk composition and its relationship with weaning weight in Charolais catte Contreras,Víctor Inocencio Pacheco beef cattle lactation curve milk components |
title_short |
Milk composition and its relationship with weaning weight in Charolais catte |
title_full |
Milk composition and its relationship with weaning weight in Charolais catte |
title_fullStr |
Milk composition and its relationship with weaning weight in Charolais catte |
title_full_unstemmed |
Milk composition and its relationship with weaning weight in Charolais catte |
title_sort |
Milk composition and its relationship with weaning weight in Charolais catte |
author |
Contreras,Víctor Inocencio Pacheco |
author_facet |
Contreras,Víctor Inocencio Pacheco Bracamonte,Gaspar Manuel Parra Bustamante,Luis Arístides López Medina,Víctor Ricardo Moreno Rincón,Ana María Sifuentes |
author_role |
author |
author2 |
Bracamonte,Gaspar Manuel Parra Bustamante,Luis Arístides López Medina,Víctor Ricardo Moreno Rincón,Ana María Sifuentes |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Contreras,Víctor Inocencio Pacheco Bracamonte,Gaspar Manuel Parra Bustamante,Luis Arístides López Medina,Víctor Ricardo Moreno Rincón,Ana María Sifuentes |
dc.subject.por.fl_str_mv |
beef cattle lactation curve milk components |
topic |
beef cattle lactation curve milk components |
description |
To determine the effects of a number of non-genetic factors on milk components and estimate their indirect relationships with weaning weight (WW205), the percentages of protein, fat, lactose and solids non-fat in Charolais cows from Mexico were estimated. Lactation period (LP) and calving season (CS) had significant effects on protein and fat, whereas lactose and solids non-fat were only affected by the LP. Sire line and age of the dam had significant effects on calf birth weight, while CS affected WW205. Residual correlations between milk components and WW205 suggest a low but significant correlation with lactose. These results demonstrate the importance of several non-genetic factors on the composition of milk from Charolais cows managed under extensive cow-calf production systems and the indirect relationships between these factors and the weaning weight of a calf. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-06-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982015000600207 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982015000600207 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/S1806-92902015000600002 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Zootecnia |
publisher.none.fl_str_mv |
Sociedade Brasileira de Zootecnia |
dc.source.none.fl_str_mv |
Revista Brasileira de Zootecnia v.44 n.6 2015 reponame:Revista Brasileira de Zootecnia (Online) instname:Sociedade Brasileira de Zootecnia (SBZ) instacron:SBZ |
instname_str |
Sociedade Brasileira de Zootecnia (SBZ) |
instacron_str |
SBZ |
institution |
SBZ |
reponame_str |
Revista Brasileira de Zootecnia (Online) |
collection |
Revista Brasileira de Zootecnia (Online) |
repository.name.fl_str_mv |
Revista Brasileira de Zootecnia (Online) - Sociedade Brasileira de Zootecnia (SBZ) |
repository.mail.fl_str_mv |
||bz@sbz.org.br|| secretariarbz@sbz.org.br |
_version_ |
1750318151434764288 |