Occurrence of clinical mastitis and environmental factors favoring its incidence

<p>The objective of this study was to evaluate the frequency of clinical mastitis (CM), in high production Holstein cows, as well as the environmental factors that favoring its incidence. The average milk production of 305 days, according to the class of mastitis was estimated by the method of...

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Main Authors: Elisa Junqueira Oliveira, Annaiza Braga Bignardi, Anibal Eugênio Vercessi Filho, Claudia Cristina Paro de Paz, Vera Lucia Cardoso, Lenira El Faro
Format: Article
Language:English
Published: Instituto de Zootecnia 2013-02-01
Series:Boletim de Indústria Animal
Subjects:
Online Access:http://revistas.bvs-vet.org.br/bia/article/view/7138
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author Elisa Junqueira Oliveira
Annaiza Braga Bignardi
Anibal Eugênio Vercessi Filho
Claudia Cristina Paro de Paz
Vera Lucia Cardoso
Lenira El Faro
author_facet Elisa Junqueira Oliveira
Annaiza Braga Bignardi
Anibal Eugênio Vercessi Filho
Claudia Cristina Paro de Paz
Vera Lucia Cardoso
Lenira El Faro
author_sort Elisa Junqueira Oliveira
collection DOAJ
description <p>The objective of this study was to evaluate the frequency of clinical mastitis (CM), in high production Holstein cows, as well as the environmental factors that favoring its incidence. The average milk production of 305 days, according to the class of mastitis was estimated by the method of least squares. The frequencies of clinical mastitis (CM) events were analyzed according to the calving sequences (1-6), year of calving, season and stage of lactation, and infected quarter (right anterior, left anterior, right posterior, left posterior). The frequency of CM ranged from 11.39% in the first calving to 21.18% in the third. 58.56% of mastitis cases occurred in the wet season, and 41.44% occurred in the dry season. The final lactation stage (200 to 300 days) was the period with the highest occurrence of CM (45.33%). The quarter posterior had a higher frequency CM (54.25%). Animals with higher levels of milk production of 305 days showed highest occurrence of CM. We must find a balance between milk production and mastitis in order to increase profitability. The study of the periods of greatest frequency clinical mastitis events is essential for dairy farming, to direct a program to control this disease.</p>
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spelling doaj.art-ebe369f435114133ada2f4a3863651d42022-12-22T00:10:34ZengInstituto de ZootecniaBoletim de Indústria Animal1981-41002013-02-0170213213910.17523/bia.v70n2p1326344Occurrence of clinical mastitis and environmental factors favoring its incidenceElisa Junqueira Oliveira0Annaiza Braga Bignardi1Anibal Eugênio Vercessi Filho2Claudia Cristina Paro de Paz3Vera Lucia Cardoso4Lenira El Faro5Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Agência Paulista de Tecnologia dos Agronegócios, Instituto de Zootecnia, Nova Odessa, SPUniversidade Federal do Mato Grosso, Rondonópolis, MTSecretaria de Agricultura e Abastecimento do Estado de São Paulo, Agência Paulista de Tecnologia dos Agronegócios, Polo Regional de Desenvolvimento Tecnológico dos Agronegócios do Nordeste Paulista, Mococa, SPSecretaria de Agricultura e Abastecimento do Estado de São Paulo, Agência Paulista de Tecnologia dos Agronegócios, Polo Regional de Desenvolvimento Tecnológico dos Agronegócios do Centro Leste, Ribeirão Preto, SPSecretaria de Agricultura e Abastecimento do Estado de São Paulo, Agência Paulista de Tecnologia dos Agronegócios, Polo Regional de Desenvolvimento Tecnológico dos Agronegócios do Centro Leste, Ribeirão Preto, SPSecretaria de Agricultura e Abastecimento do Estado de São Paulo, Agência Paulista de Tecnologia dos Agronegócios, Polo Regional de Desenvolvimento Tecnológico dos Agronegócios do Centro Leste, Ribeirão Preto, SP<p>The objective of this study was to evaluate the frequency of clinical mastitis (CM), in high production Holstein cows, as well as the environmental factors that favoring its incidence. The average milk production of 305 days, according to the class of mastitis was estimated by the method of least squares. The frequencies of clinical mastitis (CM) events were analyzed according to the calving sequences (1-6), year of calving, season and stage of lactation, and infected quarter (right anterior, left anterior, right posterior, left posterior). The frequency of CM ranged from 11.39% in the first calving to 21.18% in the third. 58.56% of mastitis cases occurred in the wet season, and 41.44% occurred in the dry season. The final lactation stage (200 to 300 days) was the period with the highest occurrence of CM (45.33%). The quarter posterior had a higher frequency CM (54.25%). Animals with higher levels of milk production of 305 days showed highest occurrence of CM. We must find a balance between milk production and mastitis in order to increase profitability. The study of the periods of greatest frequency clinical mastitis events is essential for dairy farming, to direct a program to control this disease.</p>http://revistas.bvs-vet.org.br/bia/article/view/7138bovinos de leitecontagem de células somáticascaracterísticas produtivas
spellingShingle Elisa Junqueira Oliveira
Annaiza Braga Bignardi
Anibal Eugênio Vercessi Filho
Claudia Cristina Paro de Paz
Vera Lucia Cardoso
Lenira El Faro
Occurrence of clinical mastitis and environmental factors favoring its incidence
Boletim de Indústria Animal
bovinos de leite
contagem de células somáticas
características produtivas
title Occurrence of clinical mastitis and environmental factors favoring its incidence
title_full Occurrence of clinical mastitis and environmental factors favoring its incidence
title_fullStr Occurrence of clinical mastitis and environmental factors favoring its incidence
title_full_unstemmed Occurrence of clinical mastitis and environmental factors favoring its incidence
title_short Occurrence of clinical mastitis and environmental factors favoring its incidence
title_sort occurrence of clinical mastitis and environmental factors favoring its incidence
topic bovinos de leite
contagem de células somáticas
características produtivas
url http://revistas.bvs-vet.org.br/bia/article/view/7138
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