Yes. A cow that has given birth a couple weeks will start going through short estrus periods when she's nursing a calf, and will be able to breed within a couple months. A calf will stay on the cow for 6 to 10 months before being weaned.
Angus cows or heifers come into heat every 21 days.
No. Toast is bread that has been exposed to heat to be toasted. Toast and bread have nothing to do with cows, and the making of bread also has nothing to do with cows and does not come from cows at all.
They do not come in heat and they gain weight
Yes she can that is why you don't leave the rams in with the ewes.
Yes. A cow that is nursing a calf will come back into heat around 18 to 24 days after she has calved, but should NOT be bred until at least 45 days after she has calved (for reasons why see related question below). Cows that have given birth to a stillborn calf, aborted early or has lost a calf within a week after it is born and dry up (cows will only dry up if you haven't grafted a calf to her) will almost always cycle a bit earlier.
To service them. He mates with them, and makes sure that no cows come into heat. He is also responsible for siring the next calf crop.
A cow will come into heat every 21 days, regardless of the time of year, they will not (or at lease should not) come into heat when they are pregnant.
Yes, especially if they are cystic. Another thing that could attribute to cows coming back into heat after being bred is the bull could be shooting blanks.
yes mares go in heat in November they usually come in heat in spring and are on and off heat for a while
Only if the cow that they're mounting is in heat.
My central heater will not come on while the pilot is lit,The heat does not kick on.
A cow can come into heat at ANY time of the year and ANY season. There are no specific environmental conditions that have to occur for a cow to come into heat, unlike with other animals like sheep, goats and horses, for example. Cows come into heat every 17 to 24 days, regardless of what environmental conditions that occur.