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in calf heifer weight

  • 03-07-2021 10:21pm
    #1
    893bet
    Registered Users, Registered Users 2 Posts: 9,152 ✭✭✭


    What type of weight do people aim for for heifers at calving? We usually calf at 30-36months so never really a consideration. I decided to pull them back last year and try calf a little younger.



    How do the below current weight compare against their predicted calf dates?





    Heifer 1, Current weigh 565kg, aged 27 months. Time to calving 3 months.

    Heifer 2, Current weigh 555kg, aged 22 Months. Time to calving 6 months.

    Heifer 3, Current weigh 608kg, aged 21 Months. Time to calving 5 months (she is a beast and an outlier!).

    Heifer 4, Current weigh 516kg, aged 21 months. Time to calving 5 months.

    Heifer 5, Current weigh 530kg, aged 20 months. Time to calving 5 months.


Comments

  • #2
    148multi
    Registered Users, Registered Users 2 Posts: 1,611 ✭✭✭148multi


    893bet wrote: »
    What type of weight do people aim for for heifers at calving? We usually calf at 30-36months so never really a consideration. I decided to pull them back last year and try calf a little younger.



    How do the below current weight compare against their predicted calf dates?





    Heifer 1, Current weigh 565kg, aged 27 months. Time to calving 3 months.

    Heifer 2, Current weigh 555kg, aged 22 Months. Time to calving 6 months.

    Heifer 3, Current weigh 608kg, aged 21 Months. Time to calving 5 months (she is a beast and an outlier!).

    Heifer 4, Current weigh 516kg, aged 21 months. Time to calving 5 months.

    Heifer 5, Current weigh 530kg, aged 20 months. Time to calving 5 months.

    Heifers 4 + 5 would be my ideal weight, don't like cow's going 700-750 kg and only rearing the same size weanlings.


  • #3
    893bet
    Registered Users, Registered Users 2 Posts: 9,152 ✭✭✭893bet


    148multi wrote: »
    Heifers 4 + 5 would be my ideal weight, don't like cow's going 700-750 kg and only rearing the same size weanlings.

    The logic being that first calving at a lighter weight means they won’t grow to the same mature size?


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