Sabiia Seb
PortuguêsEspañolEnglish
Embrapa
        Busca avançada

Botão Atualizar


Botão Atualizar

Registro completo
Provedor de dados:  21
País:  Germany
Título:  Einfluss der Umstellung von Stall- auf Weidefütterung auf den Vormagen pH-Wert von Milchkühen
Autores:  Steinwidder, Andreas
Horn, Marco
Pfister, Rupert
Rohrer, Hannes
Gasteiner, Johann
Data:  2013-09-09
Ano:  2013
Palavras-chave:  Feeding and growth
Resumo:  To investigate the effect of feed transition from barn feeding to pasture on the course of ruminal pH a study with 8 lactating dairy cows was undertaken. Therefore, an indwelling pH-measurement and data transmitting system was used. The experiment started at 27th March 2012 and a gradual transition from barn feeding to pasture feeding was done (periods P1-P6). After 7 days of barn feeding (P1) animals were given pasture progressively with increasing grazing time from 2 to 7 h/d (P2, day 8-14). In P3 (day 15-21) the cows spent 7 hours/d on pasture. Beginning on day 22, animals had 20 h/d access to pasture (continuous grazing), only semi-daily interrupted for 2 hours for milking and additional feeding (P4-P6). During the barn feeding period (P1), average ruminal pH was highest (6.44) and deviation of H+-ion concentration was lowest. In P2 and P3 ruminal pH depressed significantly (6.24 and 6.21 resp.) and increased again from P4 to P6 (6.30, 6.33, 6.36 resp.). The short-term deviation of H+-ion concentration was highest in the first week of day and night grazing (P4).
Tipo:  Conference paper, poster, etc.
Identificador:  http://orgprints.org/21143/1/21143_steinwidder.pdf

Steinwidder, Andreas; Horn, Marco; Pfister, Rupert; Rohrer, Hannes and Gasteiner, Johann (2013) Einfluss der Umstellung von Stall- auf Weidefütterung auf den Vormagen pH-Wert von Milchkühen. Paper at: 12. Wissenschaftstagung Ökologischer Landbau, Rheinische Friedrich-Wilhelms-Universität, Bonn, 5. bis 8. März 2013.
Relação:  http://orgprints.org/21143/
Formato:  application/pdf
Fechar
 

Empresa Brasileira de Pesquisa Agropecuária - Embrapa
Todos os direitos reservados, conforme Lei n° 9.610
Política de Privacidade
Área restrita

Embrapa
Parque Estação Biológica - PqEB s/n°
Brasília, DF - Brasil - CEP 70770-901
Fone: (61) 3448-4433 - Fax: (61) 3448-4890 / 3448-4891 SAC: https://www.embrapa.br/fale-conosco

Valid HTML 4.01 Transitional