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Cattle Boards
Breeding / Calving Issues
Cow size vs. efficiency
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<blockquote data-quote="City Guy" data-source="post: 1388502" data-attributes="member: 25547"><p>Do the math.</p><p>100 1500lb cows eating 2.5% of their body weight = 37500 lbs per day</p><p>1100 lb cow eats 2.5% of her body weight= 27.5 lb /cow/day</p><p>37500lbs feed/27.5/cow/day= 136 cows fed on the same amount of feed</p><p>100 calves x 680 lbs= 68000 lbs to sell at say $1.17= $79560 income</p><p>136 calves x 610lbs= 82960 lbs to sell at say $1.07= $88767 income</p><p>$88767-$79560= $9207 Additional income $255.75 per each of the extra 36 calves.</p><p></p><p>Can you raise 36 extra calves for $255.75 or less each? Remember, you are using the same amount of feed as for the 1500 lb cows and the same overhead costs, same equipment and fence, etc. Only additional expenses are: Breeding costs, vaccinations, medicines and vet bills, a little extra labor and maybe extra fuel, transportation and selling expenses. This will vary greatly from farm to farm and year to year on the same farm I know, BUT I'm guessing it will be more like $120-$150 per calf </p><p></p><p>Salvage value of 136 1100 lb cows is almost exactly the same as that of 100 1500 lb cows.</p><p></p><p>Mossy Dell; How can hay and forage quality or costs ever favor one size cow over another? Except that large cows will eat more of it, good or bad, cheap or dear.</p><p></p><p>Ryder; can't believe that 610 lb calves are that much smaller in frame than 680 lb calves of the same age.</p><p></p><p>The argument that larger cows can better protect their calves from predators is questionable. I am guessing that mothering instincts and fighting ability are far more important than weight, after all an 1100 lb cow still outweighs a coyote, wolf or mountain lion by 900 lbs+/-</p></blockquote><p></p>
[QUOTE="City Guy, post: 1388502, member: 25547"] Do the math. 100 1500lb cows eating 2.5% of their body weight = 37500 lbs per day 1100 lb cow eats 2.5% of her body weight= 27.5 lb /cow/day 37500lbs feed/27.5/cow/day= 136 cows fed on the same amount of feed 100 calves x 680 lbs= 68000 lbs to sell at say $1.17= $79560 income 136 calves x 610lbs= 82960 lbs to sell at say $1.07= $88767 income $88767-$79560= $9207 Additional income $255.75 per each of the extra 36 calves. Can you raise 36 extra calves for $255.75 or less each? Remember, you are using the same amount of feed as for the 1500 lb cows and the same overhead costs, same equipment and fence, etc. Only additional expenses are: Breeding costs, vaccinations, medicines and vet bills, a little extra labor and maybe extra fuel, transportation and selling expenses. This will vary greatly from farm to farm and year to year on the same farm I know, BUT I'm guessing it will be more like $120-$150 per calf Salvage value of 136 1100 lb cows is almost exactly the same as that of 100 1500 lb cows. Mossy Dell; How can hay and forage quality or costs ever favor one size cow over another? Except that large cows will eat more of it, good or bad, cheap or dear. Ryder; can't believe that 610 lb calves are that much smaller in frame than 680 lb calves of the same age. The argument that larger cows can better protect their calves from predators is questionable. I am guessing that mothering instincts and fighting ability are far more important than weight, after all an 1100 lb cow still outweighs a coyote, wolf or mountain lion by 900 lbs+/- [/QUOTE]
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