共 50 条
- [43] Monitoring feeding adequacy in dairy cows using milk urea and milk protein contents under farm condition ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES, 2006, 19 (12): : 1742 - 1748
- [44] MILK UREA AS A MARKER OF NUTRITIONAL IMBALANCE IN DAIRY-COWS WITH SPECIAL REFERENCE TO FERTILITY PROCEEDINGS - SEVENTH INTERNATIONAL CONFERENCE ON PRODUCTION DISEASE IN FARM ANIMALS, 1989, : 397 - 400
- [45] Urea and acetone content in milk - indicators for the testing of feeding in dairy cows PRAKTISCHE TIERARZT, 2002, 83 (04): : 362 - +
- [46] Feeding and anima factors influencing milk urea content of dairy cows BODENKULTUR, 2000, 51 (01): : 49 - 57
- [47] MEETING THE PROTEIN AND ENERGY-REQUIREMENTS OF DAIRY-COWS SCHWEIZERISCHE LANDWIRTSCHAFTLICHE MONATSHEFTE, 1979, 57 (12): : 381 - 390
- [49] UREA CONCENTRATIONS IN MILK IN RELATION TO MILK-YIELD, LIVE WEIGHT, LACTATION NUMBER AND AMOUNT AND COMPOSITION OF FEED GIVEN TO DAIRY-COWS LIVESTOCK PRODUCTION SCIENCE, 1985, 12 (01): : 47 - 57
- [50] STUDIES ON THE UTILIZATION OF PROTEIN AND ENERGY IN GESTATED DAIRY-COWS CUBAN JOURNAL OF AGRICULTURAL SCIENCE, 1983, 17 (01): : 17 - 23