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Behaviors associated with cows more prone to produce milk with reduced stability to ethanol test due to feeding restriction Ciência Rural
Stumpf,Marcelo Tempel; Fischer,Vivian; Kolling,Giovani Jacob; Silva,Alessandra Ventura da; Ribeiro,Maria Edi Rocha; Santos,Carolina da Silva dos.
ABSTRACT: The experiment was carried out to identify changes in the behaviorr of lactating cows induced by severe feeding restriction and further refeeding that could serve as facilitators for the visual identification of cows more prone to produce milk with reduced stability. Twelve cows were separated into two groups: Control: full diet supply; Restriction: 50% of the full diet. Feed restriction lasted seven days (Period 1), with posterior supply of full diet for seven days (Period 2) for all treatments. Behavior was observed on the first and fifth days in each period from 08h40 to 19h00. Ingestive and social behavior were monitored. Cortisol assessed stress levels. Analysis of variance and multifactorial statistical analyzes were performed. Adequate...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bos taurus taurus; Feeding restriction; Ingestive behaviour; Milk stability; Social behaviour.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000901662
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