CULLING AND WASTAGE IN DAIRY-COWS IN EAST-ANGLIA

[1] BEYNON VH, 1974, 192 U EX AGR EC UN R

[2] BEYNON VH, 1978, 204 U EX AGR EC UN R

[3] BOURCHIER CP, 1980, STUDY INTERRELATIONS

[4] BROCKLEHURST DD, 1982, 291A E SCOTL COLL AG

[5] DEKRUIF A, 1978, J REPROD FERTIL, V54, P507, DOI 10.1530/jrf.0.0540507

[6] CONTROL OF CATTLE FERTILITY - USE OF COMPUTERIZED RECORDS [J]. BRITISH VETERINARY JOURNAL, 1977, 133 (04): : 346 - 355

[7] PRELIMINARY MODEL TO INVESTIGATE CULLING AND REPLACEMENT POLICY IN DAIRY HERDS [J]. AGRICULTURAL SYSTEMS, 1979, 4 (03) : 189 - 215

[8] SELECTION PRACTICES IN DAIRY HERDS .I. FIRST LACTATION PERFORMANCE AND SURVIVAL TO SECOND LACTATION [J]. ANIMAL PRODUCTION, 1966, 8 : 467 - &

[9] SELECTION PRACTICES IN DAIRY HERDS .2. SELECTION PATTERNS IN LATER LACTATIONS [J]. ANIMAL PRODUCTION, 1966, 8 : 481 - &

[10] LAWSON W, 1929, 1929 AGR ORG C OXF

[1] BEYNON VH, 1974, 192 U EX AGR EC UN R

[2] BEYNON VH, 1978, 204 U EX AGR EC UN R

[3] BOURCHIER CP, 1980, STUDY INTERRELATIONS

[4] BROCKLEHURST DD, 1982, 291A E SCOTL COLL AG

[5] DEKRUIF A, 1978, J REPROD FERTIL, V54, P507, DOI 10.1530/jrf.0.0540507

[6] CONTROL OF CATTLE FERTILITY - USE OF COMPUTERIZED RECORDS [J]. BRITISH VETERINARY JOURNAL, 1977, 133 (04): : 346 - 355

[7] PRELIMINARY MODEL TO INVESTIGATE CULLING AND REPLACEMENT POLICY IN DAIRY HERDS [J]. AGRICULTURAL SYSTEMS, 1979, 4 (03) : 189 - 215

[8] SELECTION PRACTICES IN DAIRY HERDS .I. FIRST LACTATION PERFORMANCE AND SURVIVAL TO SECOND LACTATION [J]. ANIMAL PRODUCTION, 1966, 8 : 467 - &

[9] SELECTION PRACTICES IN DAIRY HERDS .2. SELECTION PATTERNS IN LATER LACTATIONS [J]. ANIMAL PRODUCTION, 1966, 8 : 481 - &

[10] LAWSON W, 1929, 1929 AGR ORG C OXF