Poultry feed premixes and finished poultry feeds which contain particles comprising a Vitamin D3 metabolite and Vitamin D3 are described. These premixes and feeds are useful for promoting egg shell strength and bone strength in older egg laying hens as well as to provide to such hens the usual benefits of Vitamin D3 in a diet.
申请公布号
DE69001557(T2)
申请公布日期
1993.08.19
申请号
DE1990601557T
申请日期
1990.02.03
申请人
F. HOFFMANN-LA ROCHE AG, BASEL, CH
发明人
BORENSTEIN, BENJAMIN, TEANECK, N.J. 07666, US;MERGENS, WILLIAM JOSEPH, WEST CALDWELL, N.J. 07006, US;UNTAWALE, GOVIND GAJANAN, WAYNE, N.J. 07470, US
