ANALYSIS OF FACTORS AFFECTING CALVING INTERVALS OF DAIRY-COWS

被引:46
作者
BOZWORTH, RW
BONEWITZ, ER
CALL, EP
WARD, G
机构
关键词
D O I
10.3168/jds.S0022-0302(72)85492-4
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
引用
收藏
页码:334 / &
相关论文
共 27 条
[1]  
BLACK WH, 1943, USDA856 TECH B
[2]  
BONEWITZ R, 1970, KANSAS DAIRY HERD IM
[3]  
BONEWITZ R, 1969, KANSAS DAIRY HERD IM
[4]  
BONEWITZ R, 1966, KANSAS DAIRY HERD IM
[5]  
BONEWITZ R, 1967, KANSAS DAIRY HERD IM
[6]  
BONEWITZ R, 1968, KANSAS DAIRY HERD IM
[7]   RELATIONSHIP BETWEEN LEVEL OF MILK PRODUCTION AND BREEDING EFFICIENCY IN DAIRY CATTLE [J].
BOYD, LJ ;
SEATH, DM ;
OLDS, D .
JOURNAL OF ANIMAL SCIENCE, 1954, 13 (01) :89-93
[8]  
DRAKE CL, 1964, 473 KANS AGR EXP STA
[9]  
ECKLES CH, 1926, 229 MINN AGR EXP STA
[10]   ESTRUS, ESTROUS CYCLES, OVULATION TIME, TIME OF SERVICE, AND FERTILITY OF DAIRY CATTLE IN LOUISIANA [J].
HALL, JG ;
BRANTON, C ;
STONE, EJ .
JOURNAL OF DAIRY SCIENCE, 1959, 42 (06) :1086-1094