Mine OM, Kedikilwe K, Ndebele RT, Nsoso SJ (July 2000). «Sheep-goat hybrid born under natural conditions». Small Ruminant Research37 (1–2): 141-145. PMID10818315. doi:10.1016/S0921-4488(99)00146-7.
Stewart-Scott IA, Pearce PD, Dewes HF, Thompson JW (April 1990). «A case of a sheep-goat hybrid in New Zealand». New Zealand Veterinary Journal38 (1): 7-9. PMID16031565. doi:10.1080/00480169.1990.35605.
Tucker EM, Denis B, Kilgour L (2009). «Blood genetic marker studies of a sheep-goat hybrid and its back-cross offspring». Animal Genetics20 (2): 179-86. PMID2757269. doi:10.1111/j.1365-2052.1989.tb00855.x.
Fehilly, Carole B.; Willadsen, S. M.; Tucker, Elizabeth M. (16 de febrero de 1984). «Interspecific chimaerism between sheep and goat». Nature307 (5952): 634-636. Bibcode:1984Natur.307..634F. PMID6694751. doi:10.1038/307634a0.
Fehilly, Carole B.; Willadsen, S. M.; Tucker, Elizabeth M. (16 de febrero de 1984). «Interspecific chimaerism between sheep and goat». Nature307 (5952): 634-636. Bibcode:1984Natur.307..634F. PMID6694751. doi:10.1038/307634a0.
Mine OM, Kedikilwe K, Ndebele RT, Nsoso SJ (July 2000). «Sheep-goat hybrid born under natural conditions». Small Ruminant Research37 (1–2): 141-145. PMID10818315. doi:10.1016/S0921-4488(99)00146-7.
Stewart-Scott IA, Pearce PD, Dewes HF, Thompson JW (April 1990). «A case of a sheep-goat hybrid in New Zealand». New Zealand Veterinary Journal38 (1): 7-9. PMID16031565. doi:10.1080/00480169.1990.35605.
Tucker EM, Denis B, Kilgour L (2009). «Blood genetic marker studies of a sheep-goat hybrid and its back-cross offspring». Animal Genetics20 (2): 179-86. PMID2757269. doi:10.1111/j.1365-2052.1989.tb00855.x.
Fehilly, Carole B.; Willadsen, S. M.; Tucker, Elizabeth M. (16 de febrero de 1984). «Interspecific chimaerism between sheep and goat». Nature307 (5952): 634-636. Bibcode:1984Natur.307..634F. PMID6694751. doi:10.1038/307634a0.