اذا لم تجد ما تبحث عنه يمكنك استخدام كلمات أكثر دقة.
Author: Friedman, M. E.
Author: Kinney, W. C.
Author: Miller, W. J.
Author: Rodriguez, Carlos
Author: VanDemark, N. L.
Title: Preservation of Bull Semen at Sub-Zero Temperatures
Series Title: University of Illinois Agricultural Experiment Station, Bulletin 621
Language: English
LoC Class: SF: Agriculture: Animal culture
Subject: Cattle -- Artificial insemination
Subject: Frozen semen
Release Date: Aug 11, 2011
Copyright Status: Public domain in the USA.
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