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樓主: Thoracic
61#
發(fā)表于 2025-4-1 03:54:22 | 只看該作者
62#
發(fā)表于 2025-4-1 06:10:44 | 只看該作者
The Performance of Beef Cows and their Calves at Pastures which influence the performance of beef cows and their calves at pasture are clearly understood. The effects on production of nutrition during both the grazing season and the preceding winter will be discussed.
63#
發(fā)表于 2025-4-1 10:24:41 | 只看該作者
64#
發(fā)表于 2025-4-1 16:38:44 | 只看該作者
The Grassland Requirements of Different Breeds in Beef Production Systems are used. The choice of beef breed varies both in suckler and in dairy herds. Farm recording schemes operated by MLC have shown consistent sire breed effects across different production systems (Allen and Kilkenny, 1980). In general the larger sire breeds produce faster growing progeny which are sl
65#
發(fā)表于 2025-4-1 21:08:12 | 只看該作者
Effect of Grazing Method, Nitrogen Level, Supplementary Feeding and Stocking Rate on the Performanceeau of the Belgian Ardennes. Rotational grazing and set-stocking were compared in association with the following factors: stocking rate, energetic concentrate supplement level and N-fertilizer intensity..As a result of the high stocking rate (3209 kgLW/ha on average) and the excellent individual per
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