Changes

==Coprophagia==

==Coprophagia==

*Rabbits eat some of their faecal pellets, called '''caecotropes''', directly from the anus.

*Rabbits eat some of their faecal pellets, called '''caecotropes''', directly from the anus.

*Caecotropes differ to normal pellets as they are softer, covered in mucus and smaller.

*Caecotropes differ to normal pellets as they are softer, covered in mucus, smaller and contain large amounts of bacteria and microbes.

*The purpose of this may be to gain access to the vitamins produced by bacteria in the caecum.

*The purpose of this may be to gain access to the vitamins produced by bacteria in the caecum.

*Some microbial protein may also be available, but is thought to contribute little the animal's requirement, as most is digested in the colon.

*Some microbial protein may also be available, but is thought to contribute little the animal's requirement, as most is digested in the colon.

**Therefore some amino acids (lysine and methionine) are added to commercial rabbit food.

**Therefore some amino acids (lysine and methionine) are added to commercial rabbit food.

==Calcium Metabolism==

==Calcium Metabolism==