| 摘要 |
<p>The present invention relates with a method of producing in mammals, particularly in cows and calfs a state like pregnancy with persistent luteum corpus and absence of oestrum which improves fattening and results in significative weight gain of the animal. Furthermore, this state enables an effective handling of the animal. The method is carried out by inserting in the uterine cavity of the mammal a device capable of producing an anabolic effect combined with absence of oestrum.</p> |
