CN111670827A
(zh )
2020-09-18
一种畜牧业用的定量投料喂养设备
Arthur et al.
1996
Net feed conversion efficiency and its relationship with other traits in beef cattle
DE1523143U
(enrdf_load_stackoverflow )
Keown et al.
1985
Age-month adjustment factors for milk, fat, and protein yields in Holstein cattle
Haque et al.
2011
Productive and reproductive performance of different Crossbred cattle at Sylhet Govt. dairy farm
Tolleson et al.
1989
An improved harness for securing fecal collection bags to grazing cattle
Keller
1980
Milk production in Cattalo cows and its influence on calf gains
Suszkiw
1999
Low-cost way to pave feedlots
Pollard et al.
2000
Effects of weaning date on hind and calf productivity
Idris et al.
2000
Some physical characteristics of Sambar deer (Cervus unicolor)
Herrick
1979
Preconditioning in cattle
DE25482C
(de )
Neuerungen an Sätteln
DE1694046U
(de )
1955-03-03
Schutzansprueche.
DE1742606U
(de )
1957-04-04
Melkstuhl.
DE1374678U
(enrdf_load_stackoverflow )
Clifton et al.
1958
Permanence of type ratings in young Holstein heifers
Heji
1974
How we stand on Brucellosis eradication
Overton
2005
Management of Natural Service Sires in Dairy Herds
DE1493548U
(enrdf_load_stackoverflow )
PRESIDENT et al.
1960
LA REVUE VETERINAIRECANADIENNE
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(enrdf_load_stackoverflow )
Delobel et al.
2005
First results from a morphological approach to draught foal and filly growth in the Ardennes: 1. Evolution as a function of age
DE1379230U
(enrdf_load_stackoverflow )
DE1367616U
(enrdf_load_stackoverflow )
Donovan et al.
1982
Weight Changes of Male Dairy Calves Following Zeranol Implants