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Uterine size in replacement gilts associated with age, body weight, growth rate, and reproductive status

Author

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  • P. Tummaruk

    (Department of Obstetrics, Gynaecology and Reproduction, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand)

  • S. Kesdangsakonwut

    (Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand)

Abstract

The objective of the present study was to determine the association between the uterine size and age, body weight, growth rate, and reproductive status in Landrace × Yorkshire crossbred gilts. Genital organs from 310 gilts (302.6 ± 2.9 days of age, 145.2 ± 1.2 kg body weight) were examined. The gilts were classified into two groups according to reproductive status: non-cyclic (n = 86) and cyclic (n = 224). The uterine weight in non-cyclic gilts was lower than that in cyclic ones (128 ± 8.1 and 694 ± 17.9 g, P < 0.001). Likewise, the length of the uterus in non-cyclic gilts was shorter than that in cyclic gilts (123 ± 2.9 and 252 ± 4.6 cm, P < 0.001). The weight of the uteri correlated with the body weight (r = 0.48, P < 0.001) and growth rate (r = 0.33, P < 0.001) of the gilts but not with their age (P > 0.05). For every 10 kg increase in the body weight of the gilts, an increase of 67 g in uterine weight (P < 0.001) and 21 cm in uterine length (P < 0.001) was observed.

Suggested Citation

  • P. Tummaruk & S. Kesdangsakonwut, 2014. "Uterine size in replacement gilts associated with age, body weight, growth rate, and reproductive status," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 59(11), pages 511-518.
    • Handle: RePEc:caa:jnlcjs:v:59:y:2014:i:11:id:7732-cjas
    DOI: 10.17221/7732-CJAS
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    Cited by:

    1. Andreas Vernunft & Melanie Maass & Klaus-Peter Brüssow, 2018. "Placental characteristics of German Landrace sows and their relationships to different fertility parameters," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 63(9), pages 339-346.

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    Keywords

    pig; reproduction; puberty; uterus;
    All these keywords.

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