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At 22 wk of age, ♂♂ and ♀♀ were transferred from floor pens to cages. For cocks ejaculated 3 and 5 times per wk, ejaculate volume averaged 0.89 and 0.83 ml resp., sperm concentration (spermatocrit value) 12.0 and 12.5%, sperm motility 80.2 and 80.2%, methylene blue reduction time 2.0 and 1.7 min,...

Schramm, G. P.; Lampson, K.
Sektion Tierproduktion und Veterinärmedizin der Karl-Marx-Universität, Leipzig, German Democratic Republic
31. Internationale Geflügelvortragstagung. Reproduktion von Geflügel. Leipzig, Dezember 1987., 1988, pp 148-153