yes and any other season too
No, not unless you cut their feed or exercize them more with out raising the about of feed, but you can do that in winter too.
That's one cause. The best answer would come from a visit by an equine veterinarian.
Having worms would cause you to eat more but lose not gain weight.
usually worms make a cat eat like crazy but still lose weight.
Yes and no. Some horses may go off their feed and drop a little weight, while others are perfectly fine and stay at the same weight while losing their baby teeth.
Worms can cause puppies to lose weight. Your veterinarian can help you.
you cant really do that.
Your miniature may need a good deworming if the winter coat does not completely shed off.
no, they were used in France many years ago for people wanting to lose weight.
yes or any other season too
Sparring could be a good source of exercise to lose weight during the winter months indoors. One would just have to be sure that they are doing the proper technique.
Erm.... with horses and sheep they lose their winter hair/wool. I don't no bout the others! :)