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Joining weight for heifers

NettetCritical mating weight Critical mating weight is the target weight for maiden heifers when they’re first joined to bulls to achieve an 84% pregnancy rate in a six-week joining period, or two complete reproductive cycles. This is based on the expectation that 60% should conceive within the first Nettet8. feb. 2016 · Heifers can be developed to lighter target weights than the traditional 65% of mature weight by the first day of breeding season without sacrificing reproductive efficiency or longevity. But, it depends on the heifers, the environment and nutritional management during and after breeding season.

What is the ideal target weight for heifers? It depends

Nettet21. apr. 2024 · Ideal heifer weight at joining. Ideally, heifers should reach 65 per cent … NettetCritical Mating Weight (CMW) is defined as the weight at the start of the joining period at which 85% or more heifers will fall pregnant in a 42-day joining period. Don't confuse CMW with average weight at puberty and average group weight at mating, both of … summit community bank christiansburg va https://dimagomm.com

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NettetHeifers that were heavier at 6, 12, and 15 mo were more likely to calve early for first … Nettet22. jun. 2024 · The average weight of FJ heifers was approximately 300kg at 15 months of age, and 420kg at 21 months of age (See Part 1 ). Heifers that were 20kg lighter than average (280kg) produced 12kg less milksolids than the average 15-month-old FJ heifer (Figure 2). Heifers that were 20kg heavier than average (320kg) at 15 months of age, … Nettet31. okt. 2014 · If your average cow weighs 1,390 lbs. (and many do), a heifer would … summit community bank hinton wv

What is the ideal target weight for heifers? It depends

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Joining weight for heifers

The heifer management plan - The Toolbox - MLA eLearning

NettetUsing the old ‘rule of thumb’ as an example, target joining weights for British breed heifers were 280kg (back when mature cow weight was around 470 kg). Heifers joined at 15 months old with a birth weight of 30kg, needed to achieve a growth rate of 0.55kg/day from birth to joining. Nettet9. jul. 2024 · Growing Heifers Well. . Heifers are a significant investment for dairy …

Joining weight for heifers

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NettetHowever, do not be deterred from joining well grown British breed heifers (minimum joining weight 275kg, condition score 3), to calve at two years of age. Calving difficulty is essentially a problem of first-calvers, irrespective of … NettetAt a minimum, they should have reached 60% of their mature weight when it comes to breeding. This is usually the case when they hit the 15-month mark. Breeding heifers early who are too small is only going to cause you problems at calving time. This is something which no farmer wants, and it may also lead to a poor output when it comes to milk ...

NettetIf heifers are to calve at 22–23 mo of age, they must be bred at 13–14 mo of age. For optimal fertility, heifers should weigh ~53%−65% of their mature body weight by this time. The ration must be balanced to provide the required rate of gain to meet the target goal of 53%–65% of mature body weight in the time available. NettetHowever, this is likely to be offset by the cost of maintenance requirements of the heifer …

NettetIt is a realistic goal to have Jersey calves weigh 2-3 times their birth weight by day 56. With an average birth weight of 60 lbs., Jerseys should weigh 120-180 lbs. at this point. This equates to a daily gain of 1.1 lbs. For tips on getting here, read the first article on raising Jersey calves. Nettet8. feb. 2016 · In research trials a decade or so ago, they began demonstrating that in …

Nettet17 rader · 4. jan. 2016 · As a general rule, heifers at their first joining should weigh …

Nettet11. apr. 2024 · Aim for heifers to be 65% of their mature body weight at the start of the breeding season. Keep heifers growing and aim for 85% of their mature body weight at first calving. Mate heifers and small cows to easy-calving bulls. Do not restrict feed in the last month of pregnancy because this can increase calving problems and reduce … summit community bank interest ratesNettetHeifers must have access to adequate pasture, water, and supplementation to keep them in the best possible condition. Spike feeding has been shown to increase the rate of conception following calving by an average of 15%. Feeding should be for a minimum of 50 days, starting 6-8 weeks before calving is due to commence. summit community bank jubal earlyNettetMature cow weights have increased over the last 10-20 years due to genetic progress. … summit community bank headquarters