An karnero usa ka hayop nga aada ha orden Artiodactyla. An Ovis aries in uska species han Mammalia nga ginhulagway ni Linnaeus hadton 1758. An Ovis aries in nahilalakip ha genus nga Ovis, ngan familia nga Bovidae. Ginklasipika han IUCN an species komo nadudultan. Waray hini subspecies nga nakalista.
Mga reperensya
- Budiansky, Stephen (1999). The Covenant of the Wild: Why animals chose domestication. Yale University Press. ISBN 0-300-07993-1.
- Ensminger, Dr. M.E.; Dr. R.O. Parker (1986). Sheep and Goat Science, Fifth Edition. Danville, Illinois: The Interstate Printers and Publishers Inc. ISBN 0-8134-2464-X. https://archive.org/details/sheepgoatscience05edensm.
- Pugh, David G. (2001). Sheep & Goat Medicine. Elsevier Health Sciences. ISBN 0-7216-9052-1.
- Simmons, Paula; Carol Ekarius (2001). Storey's Guide to Raising Sheep. North Adams, MA: Storey Publishing LLC. ISBN 978-1-58017-262-2. https://archive.org/details/storeysguidetora0000simm_u9e9.
- Smith M.S., Barbara; Mark Aseltine PhD; Gerald Kennedy DVM (1997). Beginning Shepherd's Manual, Second Edition. Ames, Iowa: Iowa State University Press. ISBN 0-8138-2799-X. https://archive.org/details/beginningshepher0000smit.
- Weaver, Sue (2005). Sheep: small-scale sheep keeping for pleasure and profit. 3 Burroughs Irvine, California 92618: Hobby Farm Press, an imprint of BowTie Press, a division of BowTie Inc.. ISBN 1-931993-49-1. https://archive.org/details/sheepsmallscales0000weav.
- Wooster, Chuck; Geoff Hansen (Photography) (2005). Living with Sheep: Everything You Need to Know to Raise Your Own Flock. Guilford, Connecticut: The Lyons Press. ISBN 1-59228-531-7. https://archive.org/details/livingwithsheepe0000woos.
Mga sumpay ha gawas
- American Sheep Industry
- Sheep Industry Ginhipos 2008-04-11 han Wayback Machine (Queensland)
- Canadian Sheep Federation Ginhipos 2008-05-25 han Wayback Machine
- National Sheep Association (UK)
- New Zealand Sheepbreeders Association
- Sheep magazine Ginhipos 2007-12-28 han Wayback Machine, all articles available free online
- View the sheep genome in Ensembl
