It depends on what you mean by "cow". If you mean the mature female bovine, she can be any weight you want to sell her. Some folks like to feed their cows up to put a bit more fat on them so they sell as slaughter cows, but others feel that it's best to sell them ASAP.
But, if you mean a steer or heifer, especially beefers, they should be at the weaning age to be sold. Weight mostly depends on the breed or breed mix, as some 6 month old calves can sell heavier than others.
A Belgian Blue cow can weigh an average of around 1500 lbs.
1/4 of a whole butchered cow
about 16.6% of what it weighs on Earth
The pectoral muscle on a cow will vary depending on the type of cow it is and how big it is. A cow's pectoral muscle can weigh a couple hundred pounds.
as much as the meat out of it as you can sell.
This depends on the weight of the truck and the type of truck, the size and weight of the cow, etc.
As Much As monkey poo with a moo moo cow in it
Around 900 to 1000 lbs.
The weight of the average cow hide is around 55 pounds. The weight of the average bull hide is around 72 pounds.
Well, honey, a weigh-up cow is simply a cow that's being weighed before it's sold at market. It's like checking the price tag before buying a dress - you gotta know what you're paying for! So, next time you see a weigh-up cow, just remember it's all about making sure everyone gets a fair deal.
If you sell the cow you will no longer get any milk as you do not own the cow anymore.
The answer to this question is totally dependent on what breed that this 15 month-old so-called "cow" is.