Sheep (English Wikipedia)

Franke, Ute (January 2016). "Prehistoric Balochistan: Cultural Developments in an Arid Region". In Markus Reindel; Karin Bartl; Friedrich Lüth; Norbert Benecke (eds.). Palaeoenvironment and the Development of Early Settlements. VML, Verlag Marie Leidorf. ISBN 978-3-86757-395-5. Archived from the original on 15 March 2022. Retrieved 31 July 2020.

adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

ui.adsabs.harvard.edu

Alberto, Florian J.; Boyer, Frédéric; Orozco-Terwengel, Pablo; Streeter, Ian; Servin, Bertrand; De Villemereuil, Pierre; Benjelloun, Badr; Librado, Pablo; Biscarini, Filippo; Colli, Licia; Barbato, Mario; Zamani, Wahid; Alberti, Adriana; Engelen, Stefan; Stella, Alessandra; Joost, Stéphane; Ajmone-Marsan, Paolo; Negrini, Riccardo; Orlando, Ludovic; Rezaei, Hamid Reza; Naderi, Saeid; Clarke, Laura; Flicek, Paul; Wincker, Patrick; Coissac, Eric; Kijas, James; Tosser-Klopp, Gwenola; Chikhi, Abdelkader; Bruford, Michael W.; et al. (2018). "Convergent genomic signatures of domestication in sheep and goats". Nature. 9 (1): 813. Bibcode:2018NatCo...9..813A. doi:10.1038/s41467-018-03206-y. ISSN 2041-1723. PMC 5840369. PMID 29511174. S2CID 3684417.
Hiendleder S, Kaupe B, Wassmuth R, Janke A (2002). "Molecular analysis of wild and domestic sheep questions current nomenclature and provides evidence for domestication from two different subspecies". Proc. Biol. Sci. 269 (1494): 893–904. Bibcode:2002PBioS.269..893H. doi:10.1098/rspb.2002.1975. PMC 1690972. PMID 12028771.
Chessa, B.; Pereira, F.; Arnaud, F.; et al. (2009). "Revealing the History of Sheep Domestication Using Retrovirus Integrations". Science. 324 (5926): 532–536. Bibcode:2009Sci...324..532C. doi:10.1126/science.1170587. PMC 3145132. PMID 19390051.
Falker-Gieske, Clemens; Knorr, Christoph; Tetens, Jens (2019-11-25). "Blood transcriptome analysis in a buck-ewe hybrid and its parents". Scientific Reports. 9 (1). Nature Publishing Group: 17492. Bibcode:2019NatSR...917492F. doi:10.1038/s41598-019-53901-z. ISSN 2045-2322. PMC 6877586. PMID 31767945.
Wright, A.-D. G.; et al. (2004). "Molecular diversity of rumen methanogens from sheep in Western Australia". Appl. Environ. Microbiol. 70 (3): 1263–1270. Bibcode:2004ApEnM..70.1263W. doi:10.1128/aem.70.3.1263-1270.2004. PMC 368393. PMID 15006742.
Gasch, Adam; Lara, Rafael; Pearce, Joshua M. (2025-03-01). "Financial analysis of agrivoltaic sheep: Breeding and auction lamb business models". Applied Energy. 381 125057. Bibcode:2025ApEn..38125057G. doi:10.1016/j.apenergy.2024.125057. ISSN 0306-2619.
Kendrick, Keith; da Costa AP; Leigh AE; Hinton MR; Peirce JW (November 2001). "Sheep don't forget a face". Nature. 414 (6860): 165–6. Bibcode:2001Natur.414..165K. doi:10.1038/35102669. PMID 11700543. S2CID 4405566. 11700543.
Jiang, Yu; et al. (2014). "The sheep genome illuminates biology of the rumen and lipid metabolism". Science. 344 (6188): 1168–1173. Bibcode:2014Sci...344.1168J. doi:10.1126/science.1252806. PMC 4157056. PMID 24904168.

agriportal.gov.sy (Global: low place; English: low place)

"Sheep Trade in Syria" (PDF). napcsyr.org. National Agricultural Policy Center, Ministry of Agriculture and Agrarian Reform, Syrian Arab Republic. Archived from the original (PDF) on 12 October 2016. Retrieved 16 August 2016.

anu.edu.au (Global: 514^th place; English: 281^st place)

slll.cass.anu.edu.au

"Meanings and origins of Australian words and idioms". Australian National University School of Literature, Languages and Linguistics. 2017-10-19. Archived from the original on 2024-04-20. Retrieved 2024-04-27.

archive.org (Global: 6^th place; English: 6^th place)

Terrill, C. E.; Hazel, L. N. (1946). "Heritability of neck folds and face covering in range Rambouillet lambs as evaluated by scoring". J. Anim. Sci. 5 (2): 170–179. doi:10.2527/jas1946.52170x. PMID 20985519.
Scrivener, C. J. (2005). "Social Behavior and Behavioral Problems". Merck Manual of Veterinary Medicine (9th ed.). Whitehouse Station, New Jersey, USA: Merck & Co. p. 1312. ISBN 978-0-911910-50-6 – via Internet Archive.
Ammer, Christine (1997). American Heritage Dictionary of Idioms. Houghton Mifflin. p. 64. ISBN 978-0-395-72774-4. Retrieved 13 November 2007. american heritage dictionary black sheep.
Fox-Davies, Arthur Charles (1909). A complete guide to heraldry.

bbc.co.uk (Global: 11^th place; English: 10^th place)

news.bbc.co.uk

"Sheep taught to stay put". BBC News. 3 November 2001. Archived from the original on 21 June 2006. Retrieved 29 April 2006.

bbc.co.uk

"Eid ul Adha (10 Dhul-Hijja) – the festival of sacrifice". BBC. Archived from the original on 13 November 2012. Retrieved 8 January 2008.

bcsba.org.uk (Global: low place; English: low place)

"An introduction to coloured sheep". British Coloured Sheep Breeders Association. Archived from the original on 10 November 2007. Retrieved 5 January 2008.

books.google.com (Global: 3^rd place; English: 3^rd place)

Cathy M. Dwyer (31 July 2008). The Welfare of Sheep. シュプリンガー・ジャパン株式会社. pp. 56–. ISBN 978-1-4020-8552-9. Archived from the original on 11 May 2013. Retrieved 15 October 2010.
Per Jensen (2009). The ethology of domestic animals: an introductory text. CABI. pp. 162–. ISBN 978-1-84593-536-8. Archived from the original on 11 May 2013. Retrieved 15 October 2010.
Pulina, Giuseppe; Roberta Bencini (2004). Dairy Sheep Nutrition. CABI Publishing. ISBN 978-0-85199-595-3. Archived from the original on 15 March 2022. Retrieved 1 November 2020.
Poiani, Aldo; Dixson, A. F. (2010). Animal Homosexuality: A Biosocial Perspective. Cambridge, England: Cambridge University Press. p. 179. ISBN 9781139490382. This makes O. aries (ram) only the second mammal known, apart from humans, capable of displaying exclusive homosexuality.
Levay, Simon (2017). Gay, Straight, and The Reason Why: The Science of Sexual Orientation (2nd ed.). Cambridge, Massachusetts: Oxford University Press. pp. 38, 119. ISBN 978-0-19-029737-4 – via Google Books.
American Institute Of Agriculture, Chicago (1922). Marketing Live Stock. Archived from the original on 15 March 2022. Retrieved 1 November 2020.
Kansas State Board Of Agriculture (1901). "Loss on bucky lambs". Twelfth Biennial Report – Part I. Archived from the original on 15 March 2022. Retrieved 1 November 2020.

colostate.edu (Global: 4,400^th place; English: 2,953^rd place)

vivo.colostate.edu

"Dental Anatomy of Ruminants from Colorado State University". Vivo.colostate.edu. 7 November 2001. Archived from the original on 28 September 2011. Retrieved 14 April 2014.

cornell.edu (Global: 308^th place; English: 253^rd place)

downloads.usda.library.cornell.edu

"Sheep and Goats Death Loss" (PDF). usda.library.cornell.edu. National Agricultural Statistics Service. 6 May 2005. Archived (PDF) from the original on 22 January 2019. Retrieved 22 January 2019.

csiro.au (Global: 3,457^th place; English: 2,432^nd place)

publish.csiro.au

Primary Industries Ministerial Council (2006). Model Code of Practice for the Welfare of Animals: The Sheep (PDF). Primary Industries Report Series 89 (2nd ed.). CSIRO Publishing. pp. 17–23. ISBN 978-0-643-09357-7. Archived from the original on 29 August 2016. Retrieved 1 March 2008.

dailyecho.co.uk (Global: 4,505^th place; English: 2,308^th place)

Lewis, Gareth (21 January 2008). "Sheep worrying leads to warning from farmers". The Daily Echo. Archived from the original on 19 January 2021. Retrieved 21 January 2008. In total dog attacks cost the industry more than £2m a year Mr Wyeth says thousands of sheep and cattle die as a result of injuries caused by dogs every year. His warning comes at a time when ewes are in lamb and likely to abort if chased by dogs.

doi.org (Global: 2^nd place; English: 2^nd place)

Alberto, Florian J.; Boyer, Frédéric; Orozco-Terwengel, Pablo; Streeter, Ian; Servin, Bertrand; De Villemereuil, Pierre; Benjelloun, Badr; Librado, Pablo; Biscarini, Filippo; Colli, Licia; Barbato, Mario; Zamani, Wahid; Alberti, Adriana; Engelen, Stefan; Stella, Alessandra; Joost, Stéphane; Ajmone-Marsan, Paolo; Negrini, Riccardo; Orlando, Ludovic; Rezaei, Hamid Reza; Naderi, Saeid; Clarke, Laura; Flicek, Paul; Wincker, Patrick; Coissac, Eric; Kijas, James; Tosser-Klopp, Gwenola; Chikhi, Abdelkader; Bruford, Michael W.; et al. (2018). "Convergent genomic signatures of domestication in sheep and goats". Nature. 9 (1): 813. Bibcode:2018NatCo...9..813A. doi:10.1038/s41467-018-03206-y. ISSN 2041-1723. PMC 5840369. PMID 29511174. S2CID 3684417.
Hiendleder S, Kaupe B, Wassmuth R, Janke A (2002). "Molecular analysis of wild and domestic sheep questions current nomenclature and provides evidence for domestication from two different subspecies". Proc. Biol. Sci. 269 (1494): 893–904. Bibcode:2002PBioS.269..893H. doi:10.1098/rspb.2002.1975. PMC 1690972. PMID 12028771.
Chessa, B.; Pereira, F.; Arnaud, F.; et al. (2009). "Revealing the History of Sheep Domestication Using Retrovirus Integrations". Science. 324 (5926): 532–536. Bibcode:2009Sci...324..532C. doi:10.1126/science.1170587. PMC 3145132. PMID 19390051.
Terrill, C. E.; Hazel, L. N. (1946). "Heritability of neck folds and face covering in range Rambouillet lambs as evaluated by scoring". J. Anim. Sci. 5 (2): 170–179. doi:10.2527/jas1946.52170x. PMID 20985519.
Falker-Gieske, Clemens; Knorr, Christoph; Tetens, Jens (2019-11-25). "Blood transcriptome analysis in a buck-ewe hybrid and its parents". Scientific Reports. 9 (1). Nature Publishing Group: 17492. Bibcode:2019NatSR...917492F. doi:10.1038/s41598-019-53901-z. ISSN 2045-2322. PMC 6877586. PMID 31767945.
Wright, A.-D. G.; et al. (2004). "Molecular diversity of rumen methanogens from sheep in Western Australia". Appl. Environ. Microbiol. 70 (3): 1263–1270. Bibcode:2004ApEnM..70.1263W. doi:10.1128/aem.70.3.1263-1270.2004. PMC 368393. PMID 15006742.
Gasch, Adam; Lara, Rafael; Pearce, Joshua M. (2025-03-01). "Financial analysis of agrivoltaic sheep: Breeding and auction lamb business models". Applied Energy. 381 125057. Bibcode:2025ApEn..38125057G. doi:10.1016/j.apenergy.2024.125057. ISSN 0306-2619.
Squires, V.R.; Daws, G.T. (1975). "Leadership and dominance relationships in Merino and Border Leicester sheep". Applied Animal Ethology. 1 (3): 263–274. doi:10.1016/0304-3762(75)90019-x.
Kendrick, Keith; da Costa AP; Leigh AE; Hinton MR; Peirce JW (November 2001). "Sheep don't forget a face". Nature. 414 (6860): 165–6. Bibcode:2001Natur.414..165K. doi:10.1038/35102669. PMID 11700543. S2CID 4405566. 11700543.
Ungerfeld, R.; Ramos, M. A.; Möller, R. (2006). "Role of the vomeronasal organ on ram's courtship and mating behaviour and on mate choice among oestrous ewes". Appl. Anim. Behav. Sci. 99 (3–4): 248–252. doi:10.1016/j.applanim.2005.10.016.
Booth, K. K.; Katz, L. S. (2000). "Role of the vomeronasal organ in neonatal offspring recognitions in sheep". Biol. Reprod. 63 (3): 353–358. doi:10.1095/biolreprod63.3.953. PMID 10952943.
de la Rosa, C.; et al. (1997). "Vaccination schedules to raise antibody concentrations against epsilon-toxin of Clostridium perfringens in ewes and their triplet lambs". J. Anim. Sci. 75 (9): 2328–2334. doi:10.2527/1997.7592328x. PMID 9303449.
Roselli CE; Reddy RC; Kaufman KR (2011). "The development of male-oriented behavior in rams". Frontiers in Neuroendocrinology. 32 (2). Amsterdam: Elsevier: 164–9. doi:10.1016/j.yfrne.2010.12.007. PMC 3085551. PMID 21215767.
Roselli CE, Stormshak F (March 2009). "Prenatal programming of sexual partner preference: the ram model". Journal of Neuroendocrinology. 21 (4). Hoboken, New Jersey, USA: Wiley-Blackwell: 359–64. doi:10.1111/j.1365-2826.2009.01828.x. PMC 2668810. PMID 19207819.
Padula, A.M. (2005). "The freemartin syndrome: an update". Animal Reproduction Science. 87 (1/2): 93–109. doi:10.1016/j.anireprosci.2004.09.008. PMID 15885443.
Parkinson, T. J.; et al. (2001). "Inter-relationships among gonadotrophins, reproductive steroids and inhibin in freemartin ewes". Reproduction. 122 (3): 397–409. doi:10.1530/rep.0.1220397. PMID 11597305.
Szatkowska, I.; Switonski, M. (1996). "Evidence on hereditary occurrence of placental anastomoses in heterosexual twins in sheep". Hereditas. 124 (2): 107–110. doi:10.1111/j.1601-5223.1996.t01-1-00107.x. PMID 8782431. S2CID 23500577.
Smith, K. C.; et al. (2003). "Morphological, histological and histochemical studies of the gonads of ovine freemartin". Vet. Rec. 152 (6): 164–169. doi:10.1136/vr.152.6.164. PMID 12622286. S2CID 21340132.
Paolo Bellavite; Riccardo Ortolani & Anita Conforti (June 2006). "Immunology and Homeopathy. Experimental Studies on Animal Models". Evidence-Based Complementary and Alternative Medicine. 3 (2): 171–86. doi:10.1093/ecam/nel016. PMC 1475939. PMID 16786046.
Jane C. Quinn; Yuchi Chen; Belinda Hackney; Muhammad Shoaib Tufail; Panayiotis Loukopoulos (2018). "Acute-onset high-morbidity primary photosensitisation in sheep associated with consumption of the Casbah and Mauro cultivars of the pasture legume biserrula". BMC Veterinary Research. 14 (1): 11. doi:10.1186/s12917-017-1318-7. PMC 5765607. PMID 29325550.
Breck, Stewart W.; Vorster, Anthony G.; Evangelista, Paul; Krebs, Cameron; Elzinga, Glenn; Elzinga, Caryl; Grandin, Temple; Salerno, Jonathan (2026). "Transitory night penning of sheep and cattle for predation protection: Costs, benefits, and challenges". Rangelands. 48 (1): 15–22. doi:10.1016/j.rala.2025.11.004.
Alan Colman (November 1999). "Dolly, Polly and other 'ollys': likely impact of cloning technology on biomedical uses of livestock". Genet Anal. 15 (3–5). Genetic Analysis: Biomolecular Engineering: 167–173. doi:10.1016/s1050-3862(99)00022-4. PMID 10596758.
Jiang, Yu; et al. (2014). "The sheep genome illuminates biology of the rumen and lipid metabolism". Science. 344 (6188): 1168–1173. Bibcode:2014Sci...344.1168J. doi:10.1126/science.1252806. PMC 4157056. PMID 24904168.
de Gortari MJ, Freking BA, Cuthbertson RP, et al. (1998). "A second-generation linkage map of the sheep genome". Mamm. Genome. 9 (3): 204–09. doi:10.1007/s003359900726. PMID 9501303. S2CID 1551771. Archived from the original on 23 July 2018. Retrieved 31 December 2018.
Dalrymple BP, Kirkness EF, Nefedov M, et al. (2007). "Using comparative genomics to reorder the human genome sequence into a virtual sheep genome". Genome Biol. 8 (7) R152. doi:10.1186/gb-2007-8-7-r152. PMC 2323240. PMID 17663790.
Recchia FA; Lionetti V (2007). "Animal models of dilated cardiomyopathy for translational research". Vet. Res. Commun. 31 (Suppl 1): 35–41. doi:10.1007/s11259-007-0005-8. PMID 17682844. S2CID 12807169.
Hasenfuss G (1998). "Animal models of human cardiovascular disease, heart failure and hypertrophy". Cardiovasc. Res. 39 (1): 60–76. doi:10.1016/S0008-6363(98)00110-2. PMID 9764190.
Barry JS; Anthony RV (2008). "The pregnant sheep as a model for human pregnancy". Theriogenology. 69 (1): 55–67. doi:10.1016/j.theriogenology.2007.09.021. PMC 2262949. PMID 17976713.
Vuguin PM (2007). "Animal models for small for gestational age and fetal programming of adult disease". Horm. Res. 68 (3): 113–23. doi:10.1159/000100545. PMC 4287248. PMID 17351325.
Peirce JW; Leigh AE; daCosta AP; Kendrick KM. (June 2001). "Human face recognition in sheep: lack of configurational coding and right hemisphere advantage". Behavioural Processes. 55 (1): 13–26. doi:10.1016/S0376-6357(01)00158-9. PMID 11390088. S2CID 11458099.

drugs.com (Global: 529^th place; English: 550^th place)

"Covexin 8 (Canada) for Animal Use". Drugs.com. Archived from the original on 15 April 2014. Retrieved 14 April 2014.

europa.eu (Global: 62^nd place; English: 100^th place)

ec.europa.eu

"Fifth Report on the Statistics on the Number of Animals used for Experimental and other Scientific Purposes in the Member States of the European Union" (PDF). Commission of the European Communities. November 2007. Archived from the original (PDF) on 16 February 2008. Retrieved 10 February 2008.

fao.org (Global: 428^th place; English: 480^th place)

"Small ruminant production and the small ruminant genetic resource in tropical Africa". www.fao.org. Retrieved 2026-08-29.
"FAOSTAT". www.fao.org. Archived from the original on 29 May 2020. Retrieved 25 October 2019.

farmonline.com.au (Global: low place; English: low place)

nqr.farmonline.com.au

Cuming, Marius (24 January 2008). "Live sheep ship-shape". North Queensland Register. Archived from the original on 16 March 2008. Retrieved 24 January 2008.

fda.gov (Global: 470^th place; English: 329^th place)

accessdata.fda.gov

"CFR – Code of Federal Regulations Title 21". Accessdata.fda.gov. 7 November 1996. Archived from the original on 15 April 2014. Retrieved 14 April 2014.

ghostarchive.org (Global: 64^th place; English: 28^th place)

Fleming, Nic (18 January 2008). "Darker black sheep's decline is in the genes". The Daily Telegraph. Archived from the original on 11 January 2022. Retrieved 20 August 2016.

gov.uk (Global: 401^st place; English: 228^th place)

"FAWC opinion on sheep lameness". gov.uk. Archived from the original on 4 June 2019. Retrieved 4 June 2019.

invasivespecies.scot (Global: low place; English: low place)

"Sheep Grazing as a Management Tool to Control Giant Hogweed | Scottish Invasive Species Initiative". Archived from the original on 2025-01-16. Retrieved 2025-02-06.

kspr.com (Global: low place; English: low place)

Small, Joanna (18 January 2008). "Sheep Compete With Beef". KSBR News. ABC. Archived from the original on 16 March 2008. Retrieved 27 January 2008.

livestockconservancy.org (Global: low place; English: low place)

"Conservation Priority List", livestockconservancy.org, The Livestock Conservancy, archived from the original on 25 October 2010, retrieved 3 September 2013

merriam-webster.com (Global: 425^th place; English: 373^rd place)

"Mutton". Merriam-Webster's Online Dictionary. Archived from the original on 22 April 2009. Retrieved 23 January 2008.
"Sheep". Merriam-Webster's Online Dictionary. Archived from the original on 12 October 2008. Retrieved 1 December 2007.
"Sheepish". Merriam-Webster's Online Dictionary. Archived from the original on 22 April 2009. Retrieved 1 December 2007.

muttonrenaissance.org.uk (Global: low place; English: low place)

"What Is Mutton? Understanding The History". Mutton Renaissance Campaign. Archived from the original on 23 July 2017. Retrieved 23 January 2008.

nih.gov (Global: 5^th place; English: 5^th place)

pubmed.ncbi.nlm.nih.gov

Alberto, Florian J.; Boyer, Frédéric; Orozco-Terwengel, Pablo; Streeter, Ian; Servin, Bertrand; De Villemereuil, Pierre; Benjelloun, Badr; Librado, Pablo; Biscarini, Filippo; Colli, Licia; Barbato, Mario; Zamani, Wahid; Alberti, Adriana; Engelen, Stefan; Stella, Alessandra; Joost, Stéphane; Ajmone-Marsan, Paolo; Negrini, Riccardo; Orlando, Ludovic; Rezaei, Hamid Reza; Naderi, Saeid; Clarke, Laura; Flicek, Paul; Wincker, Patrick; Coissac, Eric; Kijas, James; Tosser-Klopp, Gwenola; Chikhi, Abdelkader; Bruford, Michael W.; et al. (2018). "Convergent genomic signatures of domestication in sheep and goats". Nature. 9 (1): 813. Bibcode:2018NatCo...9..813A. doi:10.1038/s41467-018-03206-y. ISSN 2041-1723. PMC 5840369. PMID 29511174. S2CID 3684417.
Hiendleder S, Kaupe B, Wassmuth R, Janke A (2002). "Molecular analysis of wild and domestic sheep questions current nomenclature and provides evidence for domestication from two different subspecies". Proc. Biol. Sci. 269 (1494): 893–904. Bibcode:2002PBioS.269..893H. doi:10.1098/rspb.2002.1975. PMC 1690972. PMID 12028771.
Chessa, B.; Pereira, F.; Arnaud, F.; et al. (2009). "Revealing the History of Sheep Domestication Using Retrovirus Integrations". Science. 324 (5926): 532–536. Bibcode:2009Sci...324..532C. doi:10.1126/science.1170587. PMC 3145132. PMID 19390051.
Terrill, C. E.; Hazel, L. N. (1946). "Heritability of neck folds and face covering in range Rambouillet lambs as evaluated by scoring". J. Anim. Sci. 5 (2): 170–179. doi:10.2527/jas1946.52170x. PMID 20985519.
Falker-Gieske, Clemens; Knorr, Christoph; Tetens, Jens (2019-11-25). "Blood transcriptome analysis in a buck-ewe hybrid and its parents". Scientific Reports. 9 (1). Nature Publishing Group: 17492. Bibcode:2019NatSR...917492F. doi:10.1038/s41598-019-53901-z. ISSN 2045-2322. PMC 6877586. PMID 31767945.
Wright, A.-D. G.; et al. (2004). "Molecular diversity of rumen methanogens from sheep in Western Australia". Appl. Environ. Microbiol. 70 (3): 1263–1270. Bibcode:2004ApEnM..70.1263W. doi:10.1128/aem.70.3.1263-1270.2004. PMC 368393. PMID 15006742.
Kendrick, Keith; da Costa AP; Leigh AE; Hinton MR; Peirce JW (November 2001). "Sheep don't forget a face". Nature. 414 (6860): 165–6. Bibcode:2001Natur.414..165K. doi:10.1038/35102669. PMID 11700543. S2CID 4405566. 11700543.
Booth, K. K.; Katz, L. S. (2000). "Role of the vomeronasal organ in neonatal offspring recognitions in sheep". Biol. Reprod. 63 (3): 353–358. doi:10.1095/biolreprod63.3.953. PMID 10952943.
de la Rosa, C.; et al. (1997). "Vaccination schedules to raise antibody concentrations against epsilon-toxin of Clostridium perfringens in ewes and their triplet lambs". J. Anim. Sci. 75 (9): 2328–2334. doi:10.2527/1997.7592328x. PMID 9303449.
Roselli CE; Reddy RC; Kaufman KR (2011). "The development of male-oriented behavior in rams". Frontiers in Neuroendocrinology. 32 (2). Amsterdam: Elsevier: 164–9. doi:10.1016/j.yfrne.2010.12.007. PMC 3085551. PMID 21215767.
Roselli CE, Stormshak F (March 2009). "Prenatal programming of sexual partner preference: the ram model". Journal of Neuroendocrinology. 21 (4). Hoboken, New Jersey, USA: Wiley-Blackwell: 359–64. doi:10.1111/j.1365-2826.2009.01828.x. PMC 2668810. PMID 19207819.
Padula, A.M. (2005). "The freemartin syndrome: an update". Animal Reproduction Science. 87 (1/2): 93–109. doi:10.1016/j.anireprosci.2004.09.008. PMID 15885443.
Parkinson, T. J.; et al. (2001). "Inter-relationships among gonadotrophins, reproductive steroids and inhibin in freemartin ewes". Reproduction. 122 (3): 397–409. doi:10.1530/rep.0.1220397. PMID 11597305.
Szatkowska, I.; Switonski, M. (1996). "Evidence on hereditary occurrence of placental anastomoses in heterosexual twins in sheep". Hereditas. 124 (2): 107–110. doi:10.1111/j.1601-5223.1996.t01-1-00107.x. PMID 8782431. S2CID 23500577.
Smith, K. C.; et al. (2003). "Morphological, histological and histochemical studies of the gonads of ovine freemartin". Vet. Rec. 152 (6): 164–169. doi:10.1136/vr.152.6.164. PMID 12622286. S2CID 21340132.
Paolo Bellavite; Riccardo Ortolani & Anita Conforti (June 2006). "Immunology and Homeopathy. Experimental Studies on Animal Models". Evidence-Based Complementary and Alternative Medicine. 3 (2): 171–86. doi:10.1093/ecam/nel016. PMC 1475939. PMID 16786046.
Jane C. Quinn; Yuchi Chen; Belinda Hackney; Muhammad Shoaib Tufail; Panayiotis Loukopoulos (2018). "Acute-onset high-morbidity primary photosensitisation in sheep associated with consumption of the Casbah and Mauro cultivars of the pasture legume biserrula". BMC Veterinary Research. 14 (1): 11. doi:10.1186/s12917-017-1318-7. PMC 5765607. PMID 29325550.
Alan Colman (November 1999). "Dolly, Polly and other 'ollys': likely impact of cloning technology on biomedical uses of livestock". Genet Anal. 15 (3–5). Genetic Analysis: Biomolecular Engineering: 167–173. doi:10.1016/s1050-3862(99)00022-4. PMID 10596758.
Jiang, Yu; et al. (2014). "The sheep genome illuminates biology of the rumen and lipid metabolism". Science. 344 (6188): 1168–1173. Bibcode:2014Sci...344.1168J. doi:10.1126/science.1252806. PMC 4157056. PMID 24904168.
de Gortari MJ, Freking BA, Cuthbertson RP, et al. (1998). "A second-generation linkage map of the sheep genome". Mamm. Genome. 9 (3): 204–09. doi:10.1007/s003359900726. PMID 9501303. S2CID 1551771. Archived from the original on 23 July 2018. Retrieved 31 December 2018.
Dalrymple BP, Kirkness EF, Nefedov M, et al. (2007). "Using comparative genomics to reorder the human genome sequence into a virtual sheep genome". Genome Biol. 8 (7) R152. doi:10.1186/gb-2007-8-7-r152. PMC 2323240. PMID 17663790.
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farmonline.com.au (Global: low place; English: low place)

nqr.farmonline.com.au

fda.gov (Global: 470th place; English: 329th place)

accessdata.fda.gov

ghostarchive.org (Global: 64th place; English: 28th place)

gov.uk (Global: 401st place; English: 228th place)

invasivespecies.scot (Global: low place; English: low place)

kspr.com (Global: low place; English: low place)

livestockconservancy.org (Global: low place; English: low place)

merriam-webster.com (Global: 425th place; English: 373rd place)

muttonrenaissance.org.uk (Global: low place; English: low place)

nih.gov (Global: 5th place; English: 5th place)

pubmed.ncbi.nlm.nih.gov

ncbi.nlm.nih.gov

nmsu.edu (Global: 9,083rd place; English: 6,016th place)

pubs.nmsu.edu

nsw.gov.au (Global: 233rd place; English: 113th place)

dpi.nsw.gov.au

nytimes.com (Global: 7th place; English: 7th place)

nytimes.com

baghdadbureau.blogs.nytimes.com

okstate.edu (Global: 2,678th place; English: 1,507th place)

ansi.okstate.edu

praguemonitor.com (Global: low place; English: low place)

purdue.edu (Global: 1,391st place; English: 979th place)

ansc.purdue.edu

rbst.org.uk (Global: low place; English: low place)

reuters.com (Global: 38th place; English: 30th place)

rmncsba.org (Global: low place; English: low place)

sciam.com (Global: 9,421st place; English: low place)

semanticscholar.org (Global: 15th place; English: 8th place)

api.semanticscholar.org

sheep101.info (Global: low place; English: low place)

sheepandgoat.com (Global: low place; English: low place)

sheeppoopaper.com (Global: low place; English: low place)

sheepusa.org (Global: low place; English: low place)

sweetness-light.com (Global: low place; English: low place)

telegraph.co.uk (Global: 40th place; English: 27th place)

theguardian.com (Global: 16th place; English: 11th place)

tufts.edu (Global: 192nd place; English: 165th place)

perseus.tufts.edu

tweeddailynews.com.au (Global: low place; English: low place)

ucanr.org (Global: low place; English: low place)

ufl.edu (Global: 880th place; English: 578th place)

visgar.vetmed.ufl.edu

un.org (Global: 117th place; English: 160th place)

data.un.org

unl.edu (Global: 1,697th place; English: 926th place)

digitalcommons.unl.edu

usda.gov (Global: 512th place; English: 322nd place)

aphis.usda.gov

vethelpdirect.com (Global: low place; English: low place)

wcfcourier.com (Global: low place; English: 7,543rd place)

web.archive.org (Global: 1st place; English: 1st place)

worldcat.org (Global: 4th place; English: 4th place)

academia.edu (Global: 105^th place; English: 99^th place)

adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

anu.edu.au (Global: 514^th place; English: 281^st place)

archive.org (Global: 6^th place; English: 6^th place)

bbc.co.uk (Global: 11^th place; English: 10^th place)

books.google.com (Global: 3^rd place; English: 3^rd place)

colostate.edu (Global: 4,400^th place; English: 2,953^rd place)

cornell.edu (Global: 308^th place; English: 253^rd place)

csiro.au (Global: 3,457^th place; English: 2,432^nd place)

dailyecho.co.uk (Global: 4,505^th place; English: 2,308^th place)

doi.org (Global: 2^nd place; English: 2^nd place)

drugs.com (Global: 529^th place; English: 550^th place)

europa.eu (Global: 62^nd place; English: 100^th place)

fao.org (Global: 428^th place; English: 480^th place)

fda.gov (Global: 470^th place; English: 329^th place)

ghostarchive.org (Global: 64^th place; English: 28^th place)

gov.uk (Global: 401^st place; English: 228^th place)

merriam-webster.com (Global: 425^th place; English: 373^rd place)

nih.gov (Global: 5^th place; English: 5^th place)

nmsu.edu (Global: 9,083^rd place; English: 6,016^th place)

nsw.gov.au (Global: 233^rd place; English: 113^th place)

nytimes.com (Global: 7^th place; English: 7^th place)

okstate.edu (Global: 2,678^th place; English: 1,507^th place)

purdue.edu (Global: 1,391^st place; English: 979^th place)

reuters.com (Global: 38^th place; English: 30^th place)

sciam.com (Global: 9,421^st place; English: low place)

semanticscholar.org (Global: 15^th place; English: 8^th place)

telegraph.co.uk (Global: 40^th place; English: 27^th place)

theguardian.com (Global: 16^th place; English: 11^th place)

tufts.edu (Global: 192^nd place; English: 165^th place)

ufl.edu (Global: 880^th place; English: 578^th place)

un.org (Global: 117^th place; English: 160^th place)

unl.edu (Global: 1,697^th place; English: 926^th place)

usda.gov (Global: 512^th place; English: 322^nd place)

wcfcourier.com (Global: low place; English: 7,543^rd place)

web.archive.org (Global: 1^st place; English: 1^st place)

worldcat.org (Global: 4^th place; English: 4^th place)