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  1. Feeding and sleep patterns prior to and post parturition

    Contributor(s):: Ruckebusch, Y.

    Continuous recordings of jaw movements and sleep patterns (eye movement), were made on 2 cows aged 4 yr, before calving and during early lactation. Calves were separated from their dams immediately after birth and the cows were milked 2 X daily at 9 am and 5 pm during which time they received...

  2. Cattle with hair whorl patterns above the eyes are more behaviorally agitated during restraint

    Contributor(s):: Grandin, T., Deesing, M. J., Struthers, J. J., Swinker, A. M.

    1500 cattle weighing 180-360 kg were temperament rated on a 4-point scale to determine whether hair whorl position on the forehead is related to a calm temperament. 72% of the cattle were European x British breed crosses and 28% were zebu x dairy breed crosses from Mexico. Cattle with a round...

  3. The influence of social hierarchy on the time budget of cows and their visits to an automatic milking system

    Contributor(s):: Ketelaar-de Lauwere, C. C., Devir, S., Metz, J. H. M.

    The effects of social dominance on dairy cows' (crossbred Holstein-Friesian; n = 30) visits to an automatic milking system (AMS) and their daily activity pattern was studied. Cows were fed on concentrate and milked in the AMS, which consisted of 2 selection units (sending cows for milking or back...