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crossbreeding

  • 26-04-2011 10:06pm
    #1
    tismesoitis
    Registered Users, Registered Users 2 Posts: 858 ✭✭✭


    just wondering how many crosses to a certain breed before the resultant animal wil loose the hybrid vigour associated with cross breeding.for example if i have a lim calf out of a lim out of a sim x cow whats the chances she'l perform more like a pedigree than a crossbred. just asking because would hate to have a herd that performed like pedigrees from a disease immunity and performance point of view. today had to inject 3 calves for various ailments ALL pedigree and we only had 7 pb calves born out of a total of 71:eek::eek:. hate how succeptable the cows are to problems also. strongly thinking of out crossing every generation ie parthenaisx lim x sim.


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