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- [16] EFFECT OF MORE SUCKLING CALVES ON MILK-YIELD AND REPRODUCTION OF DAIRY-COWS ZIVOCISNA VYROBA, 1995, 40 (02): : 59 - 64
- [17] THE UTILIZATION OF ZEOLITE BY DAIRY-COWS .2. EFFECT ON MILK-YIELD CUBAN JOURNAL OF AGRICULTURAL SCIENCE, 1992, 26 (02): : 131 - 134
- [18] USE OF MILK-YIELD DATES TO CONTROL METABOLISM STATUS OF DAIRY-COWS MONATSHEFTE FUR VETERINARMEDIZIN, 1994, 49 (03): : 115 - 119
- [19] RELATIONS BETWEEN UDDER HEALTH AND MILK-YIELD OF FRIESIAN DAIRY-COWS ARCHIV FUR EXPERIMENTELLE VETERINARMEDIZIN, 1990, 44 (01): : 29 - 34
- [20] FITNESS, FERTILITY AND MILK-YIELD OF DAIRY-COWS IN MODERN HOUSING SYSTEMS ZUCHTUNGSKUNDE, 1982, 54 (01): : 16 - 24