Hennig A, Freytag H H, Chemnitius K H
Arch Tierernahr. 1984 May-Jun;34(5-6):419-30. doi: 10.1080/17450398409425187.
In 5 experiments 137 fattening bulls received between 0 and 20 mg Mestranol per animal and day. In one experiment a dose of 10 mg/day reduced consumption. The cause of this effect could not be found. In three experiments Mestranol increased weight gain by 4-13%. Feed expenditure was significantly decreased in only one experiment, in which 5-10 mg were given (average of all experiments: 4%). In dependence on the amount of Mestranol the weight of skin, horn and testicles decreased, when only 5-10 mg were given, however, protein retention increased whereas fat retention decreased. When 20 mg Mestranol are given per animal and day, the anabolic effect is missing although the NEFcattle-expenditure per kJ retention including maintenance decreases. This is due to a higher fat retention, which is causally inexplicable. The ergotropic effect of Mestranol depends on its dosage and possibly the nutrients in the ration.
在5项试验中，137头育肥牛每头每天接受0至20毫克炔雌醇甲醚。在一项试验中，每天10毫克的剂量降低了采食量。这种效应的原因未能找到。在三项试验中，炔雌醇甲醚使增重提高了4%至13%。仅在一项给予5至10毫克（所有试验的平均值：4%）的试验中，饲料消耗显著降低。根据炔雌醇甲醚的用量，皮肤、角和睾丸的重量会减轻，然而，当仅给予5至10毫克时，蛋白质潴留增加而脂肪潴留减少。当每头每天给予20毫克炔雌醇甲醚时，尽管每千焦潴留（包括维持需要）的非乳热增耗降低，但同化作用消失。这是由于脂肪潴留较高，其原因无法解释。炔雌醇甲醚的应激效应取决于其剂量以及日粮中的养分。
