CANADIAN DAIRY COW DISPOSALS .1. DIFFERENCES BETWEEN BREEDS, LACTATION NUMBERS AND SEASONS

被引：51

作者：

BURNSIDE, EB

KOWALCHUK, SB

LAMBROUGHTON, DB

MACLEOD, NM

机构：

来源：

CANADIAN JOURNAL OF ANIMAL SCIENCE | 1971年 / 51卷 / 01期

关键词：

D O I：

10.4141/cjas71-010

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

页码：75 / +

页数：1

共 11 条

[1] VARIATIONS IN AMOUNT OF CULLING FROM DHIA HERDS [J].

ASDELL, SA .

JOURNAL OF DAIRY SCIENCE, 1951, 34 (06) :529-535

[2] RATE AGE AND CRITERIA FOR DISPOSAL IN A HERD OF REGISTERED JERSEY CATTLE [J].

FOSGATE, OT .

JOURNAL OF DAIRY SCIENCE, 1965, 48 (11) :1481-&

[3] RELATIONSHIPS AMONG FIRST-LACTATION AND LIFETIME MEASUREMENTS IN A DAIRY POPULATION [J].

HARGROVE, GL ;

SALAZAR, JJ ;

LEGATES, JE .

JOURNAL OF DAIRY SCIENCE, 1969, 52 (05) :651-&

[4]

PRYSE-HOWELL J., 1945, Welsh Journal of Agriculture, V18, P125

[5] REASONS FOR DISPOSAL OF DAIRY COWS FROM NEW YORK HERDS [J].

OBLENESS, GV ;

VANVLECK, LD .

JOURNAL OF DAIRY SCIENCE, 1962, 45 (09) :1087-&

[6] FACTORS INFLUENCING DAIRY CATTLE LONGEVITY [J].

PARKER, JB ;

BAYLEY, ND ;

FOHRMAN, MH ;

PLOWMAN, RD .

JOURNAL OF DAIRY SCIENCE, 1960, 43 (03) :401-409

[7] Wastage, length of productive life, replacement and depreciation of dairy cows [J].

Pettit, GHN .

JOURNAL OF AGRICULTURAL SCIENCE, 1940, 30 :485-497

[8]

RENNIE JC, 1965, 5 P C WORLD JERS CAT

[9]

ROBERTS E. J., 1929, WELSH JOUR AGRIC, V5, P67

[10]

WEIGHT N. C., 1933, Scottish Journal of Agriculture, V16, P31

← 1 2 →