Milk production of Holstein cows in small, medium and large size/Producao de leite de vacas da raca Holandesa de pequeno, medio e grande porte

The objective of this study was to evaluate the effect of the body size in milk production in the first, second and third lactations of Holstein cows. A total 133 cows were used, selected from a herd of 280 cows, classified as small, medium and large based on the body size composite (stature x 10 +...

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Published in:Ciência rural 2011-03, Vol.41 (3), p.501
Main Authors: da Silva, Decio Adair Rebellatto, Olivo, Clair Jorge, de Campos, Ben-Hur Costa, Tejkowski, Thiago Moreira, Meinerz, Gilmar Roberto, Saccol, Ana Gabriela de Freitas, da Costa, Silvio Teixeira
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Language:Spanish
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Cattle industry
Dairy products industry
Milk production
Production data
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container_title Ciência rural
container_volume 41
creator da Silva, Decio Adair Rebellatto
Olivo, Clair Jorge
de Campos, Ben-Hur Costa
Tejkowski, Thiago Moreira
Meinerz, Gilmar Roberto
Saccol, Ana Gabriela de Freitas
da Costa, Silvio Teixeira
description The objective of this study was to evaluate the effect of the body size in milk production in the first, second and third lactations of Holstein cows. A total 133 cows were used, selected from a herd of 280 cows, classified as small, medium and large based on the body size composite (stature x 10 + strength x 5 + depth x 3 + rump width x 2)/20. Data were collected from January 2007 to October 2009 in a commercial herd with intensive system of milk production, located in Salto Jacui, Rio Grande do Sul, Brazil. All cows were subjected to the same conditions of facilities management being used and milked three times a day. Data were obtained from the software Afimilk[R] --SAE AFIKIM. The experimental design was a completely randomized design with three treatments (body size). There was no interaction between milk production and body composite. Low correlation among body size composite and milk production was observed. Cows for medium and large size had similar on milk production superior (P
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A total 133 cows were used, selected from a herd of 280 cows, classified as small, medium and large based on the body size composite (stature x 10 + strength x 5 + depth x 3 + rump width x 2)/20. Data were collected from January 2007 to October 2009 in a commercial herd with intensive system of milk production, located in Salto Jacui, Rio Grande do Sul, Brazil. All cows were subjected to the same conditions of facilities management being used and milked three times a day. Data were obtained from the software Afimilk[R] --SAE AFIKIM. The experimental design was a completely randomized design with three treatments (body size). There was no interaction between milk production and body composite. Low correlation among body size composite and milk production was observed. Cows for medium and large size had similar on milk production superior (P&lt;0,05) to small size. Means for 305-days milk production in the lactation were 8,053; 8,810 and 9,218 liters for small, medium and large cows, respectively. Based on the totality of lactations evaluated, cows of medium size were more efficient than the others for the intensive production system in question. Key words: body size, body size composite, body weight, peak milk production, persistency. O objetivo deste estudo foi avaliar o efeito do composto corporal sobre a producao de leite de vacas da raca Holandesa de primeira, segunda e terceira lactacao. Para avaliacao, foram usadas 133 vacas, selecionadas de um rebanho de 280 animais em lactacao, classificadas como pequenas, medias e grandes, com base no composto corporal (estatura x 10 + forca x 5 + profundidade x 3 + largura de garupa x 2)/20. Os dados foram coletados, entre janeiro de 2007 e outubro de 2009, de um rebanho comercial com sistema intensivo de producao de leite, localizado em Salto do Jacui, Rio Grande do Sul, Brasil. Todas as vacas foram submetidas as mesmas condicoes de instalacoes e ordenhadas tres vezes ao dia. Os dados foram obtidos com auxilio do software AFIMILK[R]--SAE AFIKIM. O delineamento experimental utilizado foi o inteiramente casualizado com tres tratamentos (tamanho corporal). Nao foi verificada interacao entre a producao de leite e composto corporal. Foi observada baixa correlacao entre composto corporal e producao de leite. Vacas de porte medio e grande apresentaram producao de leite similar e superior (P&lt;0,05) as pequenas. As medias de producao de leite para vacas pequenas, medias e grandes em 305 dias foram de 8.053; 8.810 e 9.218 litros, respectivamente. Com base na totalidade das lactacoes avaliadas, as vacas de porte medio sao mais eficientes que as demais, considerando o sistema intensivo de producao em analise. 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A total 133 cows were used, selected from a herd of 280 cows, classified as small, medium and large based on the body size composite (stature x 10 + strength x 5 + depth x 3 + rump width x 2)/20. Data were collected from January 2007 to October 2009 in a commercial herd with intensive system of milk production, located in Salto Jacui, Rio Grande do Sul, Brazil. All cows were subjected to the same conditions of facilities management being used and milked three times a day. Data were obtained from the software Afimilk[R] --SAE AFIKIM. The experimental design was a completely randomized design with three treatments (body size). There was no interaction between milk production and body composite. Low correlation among body size composite and milk production was observed. Cows for medium and large size had similar on milk production superior (P&lt;0,05) to small size. Means for 305-days milk production in the lactation were 8,053; 8,810 and 9,218 liters for small, medium and large cows, respectively. Based on the totality of lactations evaluated, cows of medium size were more efficient than the others for the intensive production system in question. Key words: body size, body size composite, body weight, peak milk production, persistency. O objetivo deste estudo foi avaliar o efeito do composto corporal sobre a producao de leite de vacas da raca Holandesa de primeira, segunda e terceira lactacao. Para avaliacao, foram usadas 133 vacas, selecionadas de um rebanho de 280 animais em lactacao, classificadas como pequenas, medias e grandes, com base no composto corporal (estatura x 10 + forca x 5 + profundidade x 3 + largura de garupa x 2)/20. Os dados foram coletados, entre janeiro de 2007 e outubro de 2009, de um rebanho comercial com sistema intensivo de producao de leite, localizado em Salto do Jacui, Rio Grande do Sul, Brasil. Todas as vacas foram submetidas as mesmas condicoes de instalacoes e ordenhadas tres vezes ao dia. Os dados foram obtidos com auxilio do software AFIMILK[R]--SAE AFIKIM. O delineamento experimental utilizado foi o inteiramente casualizado com tres tratamentos (tamanho corporal). Nao foi verificada interacao entre a producao de leite e composto corporal. Foi observada baixa correlacao entre composto corporal e producao de leite. Vacas de porte medio e grande apresentaram producao de leite similar e superior (P&lt;0,05) as pequenas. As medias de producao de leite para vacas pequenas, medias e grandes em 305 dias foram de 8.053; 8.810 e 9.218 litros, respectivamente. Com base na totalidade das lactacoes avaliadas, as vacas de porte medio sao mais eficientes que as demais, considerando o sistema intensivo de producao em analise. 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A total 133 cows were used, selected from a herd of 280 cows, classified as small, medium and large based on the body size composite (stature x 10 + strength x 5 + depth x 3 + rump width x 2)/20. Data were collected from January 2007 to October 2009 in a commercial herd with intensive system of milk production, located in Salto Jacui, Rio Grande do Sul, Brazil. All cows were subjected to the same conditions of facilities management being used and milked three times a day. Data were obtained from the software Afimilk[R] --SAE AFIKIM. The experimental design was a completely randomized design with three treatments (body size). There was no interaction between milk production and body composite. Low correlation among body size composite and milk production was observed. Cows for medium and large size had similar on milk production superior (P&lt;0,05) to small size. Means for 305-days milk production in the lactation were 8,053; 8,810 and 9,218 liters for small, medium and large cows, respectively. Based on the totality of lactations evaluated, cows of medium size were more efficient than the others for the intensive production system in question. Key words: body size, body size composite, body weight, peak milk production, persistency. O objetivo deste estudo foi avaliar o efeito do composto corporal sobre a producao de leite de vacas da raca Holandesa de primeira, segunda e terceira lactacao. Para avaliacao, foram usadas 133 vacas, selecionadas de um rebanho de 280 animais em lactacao, classificadas como pequenas, medias e grandes, com base no composto corporal (estatura x 10 + forca x 5 + profundidade x 3 + largura de garupa x 2)/20. Os dados foram coletados, entre janeiro de 2007 e outubro de 2009, de um rebanho comercial com sistema intensivo de producao de leite, localizado em Salto do Jacui, Rio Grande do Sul, Brasil. Todas as vacas foram submetidas as mesmas condicoes de instalacoes e ordenhadas tres vezes ao dia. Os dados foram obtidos com auxilio do software AFIMILK[R]--SAE AFIKIM. O delineamento experimental utilizado foi o inteiramente casualizado com tres tratamentos (tamanho corporal). Nao foi verificada interacao entre a producao de leite e composto corporal. Foi observada baixa correlacao entre composto corporal e producao de leite. Vacas de porte medio e grande apresentaram producao de leite similar e superior (P&lt;0,05) as pequenas. As medias de producao de leite para vacas pequenas, medias e grandes em 305 dias foram de 8.053; 8.810 e 9.218 litros, respectivamente. Com base na totalidade das lactacoes avaliadas, as vacas de porte medio sao mais eficientes que as demais, considerando o sistema intensivo de producao em analise. Palavras-chave: composto corporal, dimensoes corporais, persistencia, peso corporal, pico de producao de leite.</abstract><pub>Universidade Federal de Santa Maria</pub></addata></record>
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source SciELO Brazil; Alma/SFX Local Collection
subjects Cattle industry
Dairy products industry
Milk production
Production data
title Milk production of Holstein cows in small, medium and large size/Producao de leite de vacas da raca Holandesa de pequeno, medio e grande porte
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