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20 Muscovy ducks in single cages were inseminated at 14-day intervals over a period of 16 wk. The av. egg fertility was 63.2%, ranging from 35.1 to 84.3% for individual birds. The av. embryo mortality was 8.8%, ranging from 4.3% on day 8 after insemination to 25.0% on day 14. Laying intensity had...

Schramm, G. P.
Monatshefte für Veterinärmedizin, 1992, 47, 6, pp 341-344