Yu, S J <br/><br/>
Reproductive patterns of the yak. II. Progesterone and oestradiol-17 beta levels in plasma and milk just before the breeding season; also during normal and short oestrous cycles.  [electronic resource] 

 -  The British veterinary journal   
 - 585-93 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0007-1935 
<br/><br/><label>Standard No.: </label>10.1016/s0007-1935(05)80043-0  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Cattle--metabolism<br/>Estradiol--blood<br/>Estrus--physiology<br/>Female<br/>Fertilization--physiology<br/>Male<br/>Milk--metabolism<br/>Progesterone--blood<br/>Radioimmunoassay--veterinary<br/>Seasons