Endocrine Mechanisms of the Failure of Pintails (Anas Acuta) to Reproduce in Captivity |
Contents
Comparison of Handreared and Wildcaught Captives with Pre | 19 |
Results | 22 |
Materials and Methods | 39 |
1 other sections not shown
Common terms and phrases
1958 FEMALE PINTAILS able to stimulate ACTH ACTH Assays Adrenal Weights Analysis of Variance anterior pituitary Aron Asmundson ASSAY 1958 FEMALE avian Benoit Biol breeding C. R. Soc chick chicken pituitary decerebration Delta wild differences doses duck ovaries duck pituitary eggs Endocrinol estrogen experiment Expl F Among means factors female Black Ducks five percent level Freedom Mean Square glands gonadotropic hormones gonadotropin gonads groups hand-reared birds hand-reared captives histology House Sparrows Howland's Island captive hyperthyroidism hypothalamus inhibition injections interaction lesions light males Mallards Mean Square F Nalbandov normal ovarian follicles ovary weight Ovary Wt oviducts ovulation Pekin Duck photoperiods pituitary and diethylstilbesterol pituitary hormones produced production and release rats reproductive response showed significant species Sum of Variation TABLE Testes Weights thyroid thyroid weight thyroxin tion treatment tropin Tukey's Test Variation Squares Degrees Vaugien wild birds wild-trapped yellow yolk Zarrow