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11#
發(fā)表于 2025-3-23 12:04:58 | 只看該作者
Performance of Bulls and Steers under Similar Feeding and Management Conditionseers slaughtered at the same age, provided they are well fed Their carcasses also give a greater yield of lean meat..Care must be taken to minimise disturbances to their behaviour. Growth promoters may be used to increase the liveweight and carcass gain of steers but may affect their behaviour adversely.
12#
發(fā)表于 2025-3-23 16:30:29 | 只看該作者
13#
發(fā)表于 2025-3-23 19:56:46 | 只看該作者
14#
發(fā)表于 2025-3-23 22:25:23 | 只看該作者
15#
發(fā)表于 2025-3-24 03:42:56 | 只看該作者
16#
發(fā)表于 2025-3-24 09:07:33 | 只看該作者
https://doi.org/10.1007/978-3-031-71104-6ad, under a wide range of cost/price structures..This trial is seen as a physical model of one of many possible “all grass” beef systems. A mechanistic model is required to identify the most appropriate system for a specific farm.
17#
發(fā)表于 2025-3-24 11:42:57 | 只看該作者
https://doi.org/10.1007/978-1-4757-5900-6ent reproduction systems (AI, natural service) and with different testing procedures (performance or progeny testing, on farm or in station). Further joint research efforts between countries and disciplines would provide a better definition of such responses in different conditions.
18#
發(fā)表于 2025-3-24 18:40:30 | 只看該作者
19#
發(fā)表于 2025-3-24 21:17:40 | 只看該作者
20#
發(fā)表于 2025-3-25 01:31:55 | 只看該作者
Some Considerations on Performance Testing on Pasture for European Beef Breedsent reproduction systems (AI, natural service) and with different testing procedures (performance or progeny testing, on farm or in station). Further joint research efforts between countries and disciplines would provide a better definition of such responses in different conditions.
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