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  • 1
    Online Resource
    Online Resource
    Análise termográfica aplicada na produção de calor corporal de vacas F1 HxZ manejadas em diferentes microclimas
    FapUNIFESP (SciELO) ; 2020
    In:  Arquivo Brasileiro de Medicina Veterinária e Zootecnia Vol. 72, No. 2 ( 2020-04), p. 545-552
    Details
    In: Arquivo Brasileiro de Medicina Veterinária e Zootecnia, FapUNIFESP (SciELO), Vol. 72, No. 2 ( 2020-04), p. 545-552
    Abstract: ABSTRACT Body heat production of F1 HxZ cows managed in different microclimates was evaluated. We evaluated 48 cows, divided into two groups, managed in different pastures and microclimates. Each group was subdivided into three groups of supplementation provided during milking. The thermographic records of the right and left flanks occurred with the animals on the grass. Eye and rectal temperatures were measured after milking. The BGT had a danger signal for microclimate 1 in the afternoon (81.7) and microclimate 2 in the morning and afternoon shifts (81.6 and 83.8, respectively). In microclimate 2, there was difference in the temperature of the right flank for animals in group 2 in relation to the animals in group 3. The temperature of the left flank was higher for the animals in the group 1. Microclimate 1 was characterized by thermal comfort and 2 was discomfort in the morning and afternoon. Supplementation did not influence the heat production of the animals. Rectal and eye mean averages did not differ between groups and the correlation presented low and moderate values for microclimate 1 and 2, respectively. The supply of different sources of supplementation does not interfere with the production and body heat of F1 HxZ cows even when supplied in a climatic environment in which the BGT is close to 84.
    Type of Medium: Online Resource
    ISSN: 1678-4162 , 0102-0935
    URL: Article
    DOI: 10.1590/1678-4162-11107
    Language: Portuguese
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 2020
    detail.hit.zdb_id: 2053051-1
    SSG: 22
    Location Call Number Limitation Availability
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    Online Resource
  • 2
    Online Resource
    Online Resource
    Effect of protein supplementation on yield and milk composition of F1 Holstein x Zebu cows kept in deferred pasture of brachiaria grass
    FapUNIFESP (SciELO) ; 2021
    In:  Arquivo Brasileiro de Medicina Veterinária e Zootecnia Vol. 73, No. 2 ( 2021-03), p. 477-486
    Details
    In: Arquivo Brasileiro de Medicina Veterinária e Zootecnia, FapUNIFESP (SciELO), Vol. 73, No. 2 ( 2021-03), p. 477-486
    Abstract: RESUMO Objetivou-se avaliar diferentes planos nutricionais para vacas F1 Holandês/Zebu mantidas em pasto diferido de capim-braquiária sobre a produção e a composição do leite e no ganho em peso corporal. Foram utilizadas 36 vacas F1 Holandês/Zebu com período médio de lactação de 267 ± 10 dias, peso corporal médio de 548 ± 19kg, seguindo o delineamento inteiramente ao acaso, em esquema fatorial 4 x 5, sendo quatro estratégias de alimentação e cinco dias em avaliação. Os tratamentos consistiram de quatro planos nutricionais: pasto diferida como fonte de forragem sem suplementação (PDSS); pastagem diferida como fonte de forragem com oferta de suplemento de proteico (PDCS); pasto diferido suplementado com 15 quilos de silagem de milho (base natural) + 1.200 gramas de suplemento proteico (PDSP) e silagem de milho (ad libitum) + 700 gramas de suplemento de proteína (SMP). Verificou-se que as vacas alimentadas com SMP apresentaram produção de leite 26,06% superior aos demais planos nutricionais (média de 11,46kg/dia). Vacas F1 Holandês/Zebu tratadas em pastagem diferida de maneira tradicional, suplementada com proteína, mantêm o rendimento de leite.
    Type of Medium: Online Resource
    ISSN: 1678-4162 , 0102-0935
    Uniform Title: [Efeito da suplementação de proteína na produção e na composição do leite de F1 vacas Holandês x Zebu mantidas em pasto diferido de capim-braquiária]
    URL: Article
    DOI: 10.1590/1678-4162-12090
    Language: English , Portuguese
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 2021
    detail.hit.zdb_id: 2053051-1
    SSG: 22
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
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