Influence of Neck Bar Placing and Brisket Board on Hygiene in Cubicles with Weaned Beef Bull Calves
Two features of equipment,neck bar and brisket board,was used with the purpose to control the position and hygiene of cubicle surface for growing newly weaned bull calves of about 300 kg live weight.The bull calves were accommodated in cubicles dimensioned according to the size of the finishing bulls before being sent to slaughter.Both the neck bar and the brisket board were placed in order to provide an adequate lying length in the cubicle.Hygiene of the cubicle surface was linear scored for the surface covered with urine and dispersed manure separately.Recordings of dung piles were done by the placing,present,back half,front half or present in both halves of the cubicle,by recording numbers of dung piles of about 10 cm in diameter.Results indicate some positive influence of the brisket board but also.as lot of dung were placed in the front on the cubicle surface,calves often rested with their heads facing the alley for reasons not fully understood.
Herlin,A.H
Swedish University of Agricultural Sciences,Dept.Biosystems and Technology,Sweden
国际会议
XVIth International Congress on Animal Hygiene(第十六届动物卫生国际会议(ISAH 2013))
南京
英文
468-469
2013-05-05（万方平台首次上网日期，不代表论文的发表时间）