To breed a dog do female have to be smaller than male do size matter?

Ideally the male should be smaller, so that the puppies are not larger than the female dog can safely deliver.

No, it would be too large for the female dog and the puppies will hard for the female to give birth to. Female possibly could die. It's best to breed a smaller male with your poodle or at least the same size, but smaller is better.

yes they can and i am a vet and i know for a fact that smaller male rabbits can breed with larger female rabbits

Yes, breed a male and female Charizard, or breed a female Charizard with a Ditto. Yes, breed a male and female Charizard, or breed a female Charizard with a Ditto.

Breed does not matter as far as I know. A male cat is a Tom and a female is a Queen.

Yes, you must have a male and female to breed.

No. A female yabby needs a male yabby to breed.

You can breed a long hair male hamster with a short hair female hamster because it doesn't matter the length. The only thing that matters is the breed and the age,

No. The dogs must either both be the same size, or the male must be smaller than the female.

A mule is when you breed a male donkey and a female horse together. Female horse + male donkey = mule. A mule is smaller then a horse.

Yes, some times if you are not careful when trying to breed bettas, the male will attack the female and he can injure the female. The females are much smaller than the males.

If you breed a female Skitty and a male Wailord then you get a Skitty but if you breed a female Wailord and a male Skitty then you'll get a Wailmer.

the same way that cats or dogs breed, the male gets up on the female rabbit

In order to breed Pokémon in Sapphire you either have to breed a female with a compatible male Pokémon or either female or male can breed with a Ditto like a female Treecko could breed with a male Mudkip or Whismur.

It takes a male and a female to breed. A male can't do much by himself.

A male is smaller than the female.

no you cant breed male and male. only a ditto and a male, or male and female of the same pokemon

The female may be ready to breed. The male can smell that she is ready and wants to breed with her. Do not keep the male with the female or they may fight.

Generally yes, although it depends on the breed. Female love birds are usually larger than the males.

you take a male and female yorkie and the male humps the female yorkie

A Jenny is a female donkey, all you can do is breed the male and the female together and hopefully the offspring will be a female.

Heck no not when she doesn't want to! the male always wants to breed but the female will once in awhile when she wants to breed.

Male and female mice can breed from as young as six weeks !

Yes. The word "cattle" is a general term that refers to more than one bovine, no matter the age, sex (male or female), breed or type of those bovines.

A male pikachu can breed with a ditto or a female pikachu