Roughage intake of dairy cows with special consideration of the behavior 1. communication systematic effects on the roughage intake and the behavior at the feeding rack

Francke, H.; Junge, W.; Kalm, E.

Zuechtungskunde 62(5): 333-348

1990


Accession: 007766248

Download citation:  
Text
  |  
BibTeX
  |  
RIS

Article/Abstract emailed within 1 workday
Payments are secure & encrypted
Powered by Stripe
Powered by PayPal

Abstract
On the research farm 'Karkendamm' of the Institute of Animal Breeding and Husbandry of the Christian-Albrecht-University in Kiel [West Germany] the roughage intake of dairy cows under consideration of the behaviour pattern of the animals at the feeding rack was observed from December 1986 until June 1988. Cows of the breeds red and black pied of lactation number 1 to 7 from the 8th to 248th day of lactation were observed. A roughage mixture was fed ad libitum, while the concentrate was fed according to the milk yield. There is no difference in the roughage intake and the behaviour between the two breeds, if the red pied get less concentrate then the black pied. First-lactating cows show the lowest roughage intake per meal and per day. The higher lactating cows differ only slightly in this characteristics, even if the concentrate intake increases according to age. With advancing number of lactation the eating rate increases, whereby less time is spend at the feeding rack daily. At the same time the daily number of visits at the feeding rack are reduced. During lactation the daily roughage intake increases. There is only a slight changing in the daily time at the feeding rack because the eating rate increases. While the daily number of visits at the feeding rack increases, especially at the beginning of lactation, the daily number of meal decreases. In dependence on the number and stage of lactation the cows react on an increasing concentrate intake with a differently strong decrease of the roughage intake. Simultaneously the time at the feeding rack is reduced accordingly. At the end of lactation the reaction is at its weakest. First-lactating cows show a stronger reaction in the level of roughage intake and in their behaviour then the older ones. With an increasing DM-content of the roughage mixture the daily roughage intake, the eating rate and roughage intake per meal increases as DM, while the number of meals decreases. As fed the roughage intake and the eating rate decreases, while the roughage intake per meal is nearly constant. With the different systematic effects the relation between the behaviour at the feeding rack and the level of roughage intake are shown and are discussed.