Browsing Swine Day, 1982 by Author "Davis, D.L."

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Browsing Swine Day, 1982 by Author "Davis, D.L."

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  • Boar rearing: the influence of group vs individual penning from weaning to 27 weeks of age
    Tonn, S.T.; Craig, J.V.; Davis, D.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1982)
    We compared mating performance and soundness of feet and legs of boars which were reared in group vs individual pens. Individually penned boars consumed more feed from 6 to 12 weeks of age and were heavier at 12 weeks of ...
  • Does combiotic administration at artificial insemination improve fertility?
    Davis, D.L.; Scmidt, W.E.; Stevenson, J.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1982)
    Injecting gilts with 10 cc’s combiotic at artificial insemination did not improve farrowing rate or litter size.
  • Fertility with artificial insemination: gilts that lock on the insemination spirette vs. those that don't
    Schmidt, W.E.; Davis, D.L.; Stevenson, J.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1982)
    KSU breeding records show a higher farrowing rate for gilts that "lock" on the insemination spirette at both inseminations as opposed to gilts that "lock" at one insemination or at neither insemination. Continued research ...
  • Influence of supplemental light on sow performance during and after lactation
    Stevenson, J.S.; Pollmann, D.S.; Davis, D.L.; Murphy, J.P. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1982)
    A study involving 327 crossbred sows was conducted to determine whether providing supplemental light in farrowing rooms would influence litter weight, number of pigs weaned, piglet survival rate, and subsequent rebreeding ...
  • Repopulation of pseudorabies-infected swine herds by embryo transfers
    James, J.E.; James, D.M.; Martin, P.A.; Davis, D.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1982)
    Embryos were transferred from two pseudorabies infected herds to recipients from a pseudorabies free herd. All 38 donor sows had serum titers for pseudorabies but no recipients or pigs that were farrowed had clinical signs ...