Abstract
GRAHAM (1) reported that thyroidectomy tends to depress and thryroid administration to elevate the rate of milk production of dairy cows. Benoit and Aron (2) reported that the testes of White Leghorns rapidly decreased in size following thyroidectomy. Losses were as great as 80% of the testis size in 11 days and 90% in 20 days. Similar results were obtained with drakes. Repetto (3) was unable to detect histological changes in testes or ovaries of dogs following thyroidectomy. Zelesky and Wells (4) reported that of 11 thyroidectomised, thirteen-lined ground squirrels (Citellus tridecemlineatus) without thyroid tissue detectable by histological examination, 7 exhibited at the normal breeding season an infantile condition as regards both spermatogenesis and testis hormone-production, and one reached a state of very low sexual activity. However, 3 were apparently normal in regard to sexual development, but, as is pointed out by the authors, thyroid tissue may have been present in these 3 even though it was no...
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
