Search Results       Your search for [author]Padilla, Juan S., 1907- returned 1 record.           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. by Padilla, Juan S., 1907-; 1960. Subject: Leghorne (Poultry).          Add to Book Cart Relevance: 18.70%