The effect of two successive implantation with different levels of synthetic estrogen on the behavior and subsequent reproductive performance of s. c. white leghorn and New Hampshire cockerels

The effect of two successive implantation with different levels of synthetic estrogen on the behavior and subsequent reproductive performance of s. c. white leghorn and New Hampshire cockerels

Bibliographic Details
Main Author: Padilla, Juan S. 1907-
Format: Thesis
Language:English
Published: 1960.
Subjects:
Leghorne (Poultry).