Artificial insemina…

Stanley Brownell

2.5 month conceptus…

Ayrshire bull on Wi…

Porcine ovarian dev…

Porcine testicular …

Porcine testicular …

Porcine gonadogenes…

Microscopic evaluat…

Mucus discharge fro…

Boar for detection …

Early embryo develo…

Male pseudohermaphr…

Natural mating in s…

Bovine granulosa ce…

Cow ovary and ovidu…

Conformation: Corre…

Ram with normal tes…

Ram with one testic…

Equipment for stall…

Behavior of a stall…

Stallion teasing a …

Normal and zinc def…

Abnormal cow reprod…