I'ts better you say:

I am veterinarian and I like this job.
I much love animals.
There is a lot of animals,and they are mine.

Some are very smart and other are very unstable.

Continue this way and you will getting better results!

:D

Bilmiyorum yanlış mı?

I am an animal doctor or a veterinerian and I like my job.

(You could use the job / my job / this job )  

I love animals much, 

(I really love animals / I love animals very much)

there are a lot of my animals.

I have a lot of animals = cok hayvanlarim var

There are a lot of animals = dunyada cok hayvan var

some very smart,some unstable..:)