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  • Title: Fertility of turkey hens correlated with depth of insemination.
    Author: Wentworth BC, Wineland MJ, Paton GD.
    Journal: Poult Sci; 1975 May; 54(3):682-7. PubMed ID: 1153369.
    Abstract:
    In a two year comparison of shallow insemination (two cm.) and deep insemination (seven cm.) involving both Large White and Bronze hens shallow insemination was superior to deep insemination for Large White hens. Shallow insemination of Large White hens resulted in a longer duration-of-fertility and a higher total fertility (P less than 0.01) than deep insemination. The mean fertiltity in a 51 day duration-of-fertility trial during early production was 56.1% following shallow insemination and 43.1% following deep insemination. Late in the breeding season the mean fertility was 39.7% and 27.4% for shallow and deep insemination, respectively. The mean duration-of-fetility was 40.4 days after shallow insemination and 31.2 days after deep insemination. Shallow insemination was superior to deep insemination whether hens were inseminated at 14 days or 28 day intervals. Fertility following shallow insemination of Bronze hens was not different from fertility following deep insemination. In a duration-of-fertility trial of Bronze hens, the mean fertility was 37.3% for shallow insemination and 39.8% for deep insemination. The mean duration-of-fertility were 51.2 days after shallow insemination and 47.0 days after deep insemination.
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