Bibliografia

Reproduction in Farm Animals: Hafez, E.S.E. &Hafez, B., 7th Ed. Lippincott Williams & Wilkins, USA 2000 null

4 - Controlled Reproduction in Horses: Deer and Camelids n/a null
2 - Controlled Reproduction in Sheep and goats: Ian Gordon, Cabi Publishing n/a null
3 - Controlled Reproduction in Pigs: Ian Gordon, Cabi Publishing n/a null
1 - Controlled Reproduction in Cattle and Buffaloes: Ian Gordon, Cabi Publishing n/a null