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476 turkey hens were used in the study. Weekly insemination with fresh, non-diluted semen at a sperm dose of 150 x 106 gave 98.3% egg fertility and 86.6% egg hatchability. Hatchability was reduced by about 2% in hens inseminated every 2 wk at the same sperm dose, but using 300 x 106 spermatozoa...

Ghent, Belgium
Rapport d'activité 1985., 1986, pp 169-170