共 44 条
- [21] STUDIES ON FERTILITY TRAITS IN SWEDISH DAIRY-CATTLE .2. GENETIC-PARAMETERS [J]. ACTA AGRICULTURAE SCANDINAVICA, 1980, 30 (04): : 427 - 436
- [22] KORVER S, 1982, THESIS WAGENINGEN
- [23] Krausslich H., 1977, Zuchtungskunde, V49, P92
- [24] FACTORS AFFECTING MILK-YIELD AND REPRODUCTIVE-PERFORMANCE [J]. JOURNAL OF DAIRY SCIENCE, 1982, 65 (06) : 1004 - 1015
- [25] LEDERER JA, 1978, TIERZUCHTER, V20, P97
- [26] PRODUCTION LOSSES IN DAIRY CATTLE DUE TO DAYS OPEN [J]. JOURNAL OF DAIRY SCIENCE, 1968, 51 (04) : 573 - &
- [27] Maijala K., 1974, 1st World Congress on Genetics applied to Livestock Production, 7-11 October, 1974. 1. Plenary sessions., P541
- [28] MAIJALA K, 1978, 29TH EAAP STOCKH, pC101
- [29] Maijala K., 1976, WORLD REV ANIM PROD, V12, P69
- [30] DYSTOCIA AND STILLBIRTH IN CATTLE - A REVIEW OF CAUSES, RELATIONS AND IMPLICATIONS [J]. LIVESTOCK PRODUCTION SCIENCE, 1984, 11 (02): : 143 - 177