Role of the Proctodeal Gland Foam of Male Japanese Quail in Natural Copulations

@inproceedings{Cheng2003RoleOT,
  title={Role of the Proctodeal Gland Foam of Male Japanese Quail in Natural Copulations},
  author={Kimberly Ming-Tak Cheng and R. D. H. Hickman and C. Reid Nichols},
  year={2003}
}
AI•STRACI.--Male Japanese Quail (Coturnix japonica) produce a thick foam from the proctodeal gland of the cloaca that is mixed with semen and inseminated into the female during copulation. We examined the effect of foam on fertility in natural copulations. In 2-male/ 5-female mating groups, fertility of intact males was 98% and fertility of males whose proctodeal glands were cauterized (non-foam-producing) was 26%. When an intact male competed with a non-foam-producing male, the intact males… CONTINUE READING

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