I remember this being discussed a couple of months ago and no one was sure about the weight difference. I ran across this and thought I would share. 15lbs to 25lbs at weaning.
http://tcebookstore.org/tmppdfs/21585533-2317.pdf
"Steers typically command the highest
price, followed by bulls and then heifers. Heifers
in the 400- to 500-pound range will be priced at
$7 to $10 less per cwt than steers, while bulls will
be discounted $3 to $6 per cwt when compared to
steers. Discounts for bull calves usually depend
on weight. Heavier calves will be discounted
more because older, larger bulls experience more
stress during castration. Castration is a simple
and inexpensive way producers can add value
to bull calves. The downside to castration is that
steer calves will be 15 to 25 pounds lighter than
bull calves at weaning. This can be offset by
using growth implants to increase the weaning
weights of steer calves.
http://tcebookstore.org/tmppdfs/21585533-2317.pdf
"Steers typically command the highest
price, followed by bulls and then heifers. Heifers
in the 400- to 500-pound range will be priced at
$7 to $10 less per cwt than steers, while bulls will
be discounted $3 to $6 per cwt when compared to
steers. Discounts for bull calves usually depend
on weight. Heavier calves will be discounted
more because older, larger bulls experience more
stress during castration. Castration is a simple
and inexpensive way producers can add value
to bull calves. The downside to castration is that
steer calves will be 15 to 25 pounds lighter than
bull calves at weaning. This can be offset by
using growth implants to increase the weaning
weights of steer calves.