Milk yield and composition in dairy cows with post-partum disorders
Autor(a) principal: | |
---|---|
Data de Publicação: | 2021 |
Outros Autores: | , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Arquivo brasileiro de medicina veterinária e zootecnia (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352021000300639 |
Resumo: | ABSTRACT This study aimed to determine the impact of different post-partum disorders on milk yield and composition. One hundred and fifteen Holstein cows from a commercial dairy farm located in the state of Rio Grande do Sul in southern Brazil were monitored up to 62 days post-partum. During this period, body condition score evaluation and animal clinical examination were conducted. Percentages of fat, protein, and lactose, as well as somatic cells score, were determined in milk samples. The AST activity and concentrations of NEFA, calcium, and BHBA, were analyzed in blood samples. The occurrence of clinical disorders was identified in 30 (26%) cows. Subclinical disorders were identified in 64 (56%) cows. Only 21 (18%) cows did not suffer any kind of disorder within the studied period. In this study, no significant differences were found in milk production, protein, and somatic cell count in clinical, subclinical, and healthy cows. Milk fat and the fat: protein quotient (F:P) were higher in cows with clinical disorders and the 6 to 21 days in milk, and lactose were lower in cows with clinical disorders and the 22 to 42 days in milk (P<0.05). |
id |
UFMG-8_89e6d7a8c339bb3ab50502cc6f762eea |
---|---|
oai_identifier_str |
oai:scielo:S0102-09352021000300639 |
network_acronym_str |
UFMG-8 |
network_name_str |
Arquivo brasileiro de medicina veterinária e zootecnia (Online) |
repository_id_str |
|
spelling |
Milk yield and composition in dairy cows with post-partum disordersmetabolic disordersmetabolic profilemilk qualityABSTRACT This study aimed to determine the impact of different post-partum disorders on milk yield and composition. One hundred and fifteen Holstein cows from a commercial dairy farm located in the state of Rio Grande do Sul in southern Brazil were monitored up to 62 days post-partum. During this period, body condition score evaluation and animal clinical examination were conducted. Percentages of fat, protein, and lactose, as well as somatic cells score, were determined in milk samples. The AST activity and concentrations of NEFA, calcium, and BHBA, were analyzed in blood samples. The occurrence of clinical disorders was identified in 30 (26%) cows. Subclinical disorders were identified in 64 (56%) cows. Only 21 (18%) cows did not suffer any kind of disorder within the studied period. In this study, no significant differences were found in milk production, protein, and somatic cell count in clinical, subclinical, and healthy cows. Milk fat and the fat: protein quotient (F:P) were higher in cows with clinical disorders and the 6 to 21 days in milk, and lactose were lower in cows with clinical disorders and the 22 to 42 days in milk (P<0.05).Universidade Federal de Minas Gerais, Escola de Veterinária2021-05-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352021000300639Arquivo Brasileiro de Medicina Veterinária e Zootecnia v.73 n.3 2021reponame:Arquivo brasileiro de medicina veterinária e zootecnia (Online)instname:Universidade Federal de Minas Gerais (UFMG)instacron:UFMG10.1590/1678-4162-12095info:eu-repo/semantics/openAccessBondan,C.Folchini,J.A.Guimarães,L.Noro,M.Zanella,R.Alves,L. PFontaneli,R.SGonzalez,F.eng2021-06-17T00:00:00Zoai:scielo:S0102-09352021000300639Revistahttps://www.scielo.br/j/abmvz/PUBhttps://old.scielo.br/oai/scielo-oai.phpjournal@vet.ufmg.br||abmvz.artigo@abmvz.org.br1678-41620102-0935opendoar:2021-06-17T00:00Arquivo brasileiro de medicina veterinária e zootecnia (Online) - Universidade Federal de Minas Gerais (UFMG)false |
dc.title.none.fl_str_mv |
Milk yield and composition in dairy cows with post-partum disorders |
title |
Milk yield and composition in dairy cows with post-partum disorders |
spellingShingle |
Milk yield and composition in dairy cows with post-partum disorders Bondan,C. metabolic disorders metabolic profile milk quality |
title_short |
Milk yield and composition in dairy cows with post-partum disorders |
title_full |
Milk yield and composition in dairy cows with post-partum disorders |
title_fullStr |
Milk yield and composition in dairy cows with post-partum disorders |
title_full_unstemmed |
Milk yield and composition in dairy cows with post-partum disorders |
title_sort |
Milk yield and composition in dairy cows with post-partum disorders |
author |
Bondan,C. |
author_facet |
Bondan,C. Folchini,J.A. Guimarães,L. Noro,M. Zanella,R. Alves,L. P Fontaneli,R.S Gonzalez,F. |
author_role |
author |
author2 |
Folchini,J.A. Guimarães,L. Noro,M. Zanella,R. Alves,L. P Fontaneli,R.S Gonzalez,F. |
author2_role |
author author author author author author author |
dc.contributor.author.fl_str_mv |
Bondan,C. Folchini,J.A. Guimarães,L. Noro,M. Zanella,R. Alves,L. P Fontaneli,R.S Gonzalez,F. |
dc.subject.por.fl_str_mv |
metabolic disorders metabolic profile milk quality |
topic |
metabolic disorders metabolic profile milk quality |
description |
ABSTRACT This study aimed to determine the impact of different post-partum disorders on milk yield and composition. One hundred and fifteen Holstein cows from a commercial dairy farm located in the state of Rio Grande do Sul in southern Brazil were monitored up to 62 days post-partum. During this period, body condition score evaluation and animal clinical examination were conducted. Percentages of fat, protein, and lactose, as well as somatic cells score, were determined in milk samples. The AST activity and concentrations of NEFA, calcium, and BHBA, were analyzed in blood samples. The occurrence of clinical disorders was identified in 30 (26%) cows. Subclinical disorders were identified in 64 (56%) cows. Only 21 (18%) cows did not suffer any kind of disorder within the studied period. In this study, no significant differences were found in milk production, protein, and somatic cell count in clinical, subclinical, and healthy cows. Milk fat and the fat: protein quotient (F:P) were higher in cows with clinical disorders and the 6 to 21 days in milk, and lactose were lower in cows with clinical disorders and the 22 to 42 days in milk (P<0.05). |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-05-01 |
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=S0102-09352021000300639 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352021000300639 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/1678-4162-12095 |
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 |
Universidade Federal de Minas Gerais, Escola de Veterinária |
publisher.none.fl_str_mv |
Universidade Federal de Minas Gerais, Escola de Veterinária |
dc.source.none.fl_str_mv |
Arquivo Brasileiro de Medicina Veterinária e Zootecnia v.73 n.3 2021 reponame:Arquivo brasileiro de medicina veterinária e zootecnia (Online) instname:Universidade Federal de Minas Gerais (UFMG) instacron:UFMG |
instname_str |
Universidade Federal de Minas Gerais (UFMG) |
instacron_str |
UFMG |
institution |
UFMG |
reponame_str |
Arquivo brasileiro de medicina veterinária e zootecnia (Online) |
collection |
Arquivo brasileiro de medicina veterinária e zootecnia (Online) |
repository.name.fl_str_mv |
Arquivo brasileiro de medicina veterinária e zootecnia (Online) - Universidade Federal de Minas Gerais (UFMG) |
repository.mail.fl_str_mv |
journal@vet.ufmg.br||abmvz.artigo@abmvz.org.br |
_version_ |
1750220895182389248 |