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What age do heifer and bull calves become fertile

  • 30-06-2015 9:48pm
    #1
    RobinBanks
    Registered Users Posts: 946 ✭✭✭


    When I went up to check the cattle this evening I noticed this heifer calf with her tail out from her. I didn't take much heed at first but when I got closer I seen a long cloudy clear slime hanging out of her, similar to what you would see from a cow in heat.

    This heifer is a BB and was born 2nd week of Jan and the oldest bull calf in field is a PT and was born at the beginning of Jan. Is it possible that both are fertile at this age?

    I normally don't separate bulls from heifers until early August when I start creep feeding and I have never had a weanling heifer end up incalf. I am very worried now and I am going to contact the vet in the morn but I am curious to see if anyone seen this before.

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Comments

  • #2
    Miname
    Closed Accounts Posts: 1,984 ✭✭✭Miname


    I'd a Simmental cross limo calve down at 15 months. Give her a shot of estrumate and she'll be grand.


  • #3
    tanko
    Registered Users, Registered Users 2 Posts: 9,291 ✭✭✭tanko


    I've had a seven month heifer go in calf and had a seven month old bull calf put a heifer in calf. You couldn't be up to the feckers. You could always give her a shot of estrumate later in the year just to be sure.


  • #4
    RobinBanks
    Registered Users Posts: 946 ✭✭✭RobinBanks


    Cheers Miname and Tanko. When should I give the estrumate to her?


  • #5
    flutered
    Registered Users, Registered Users 2 Posts: 6,695 ✭✭✭flutered


    hereabouts it the opposite, cows and hefhirs are not coming in heat, eggs samples taken are not fertile, vets dunno whats wrong saying it could be the cold nights


  • #6
    Butcher Boy
    Registered Users Posts: 573 ✭✭✭Butcher Boy


    RobinBanks wrote: »
    Cheers Miname and Tanko. When should I give the estrumate to her?

    I think it is after 40 days.


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  • #7
    hopeso
    Registered Users, Registered Users 2 Posts: 1,441 ✭✭✭hopeso


    RobinBanks wrote: »
    Cheers Miname and Tanko. When should I give the estrumate to her?

    I'm not sure if it's estrumate that my vet uses, but his advice any time I ask is to wait and see if she comes in heat again in three weeks time, and give it to her then if she doesn't. But, I think it's fine to give it before that, and it's probably perfectly fine any time in the next few months.


  • #8
    The man in red and black
    Registered Users, Registered Users 2 Posts: 668 ✭✭✭The man in red and black


    Estrumate can be used to stop the pregnancy any time after 5 days after the heat was seen. Better not to wait too long, it is 95% effective up to 4.5months then the effectiveness drops. Also watch out for the fact that if she wasn't in calf she may come into heat 2-5 days after the estrumate injection so don't let her get bred again :)

    The youngest I've ever seen calf down was a Dexter which are notorious for early fertility and believe it or not she calved(By caesarian, dead calf unfortunately), at one year and two weeks of age. The guy was a very nice hobby farmer with 3 cows so I was inclined to believe his dates on the blue card he showed me. I've never seen anything else calf before 14/15months.


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