{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/20435"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/20435","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Performance of hair breeds and prolific wool breeds of sheep in southern Illinois, United States of America","abstract":"Three prolific wool-breeds (Finnsheep, Combo-6 and Booroola Merino) and 2 hair-breeds (St. Croix and Barbados) were evaluated. Suffolk and Targhee ewes were exposed to rams (3 rams per breed per year) of these 5 breeds. Results indicated that ewes mated to hair-breed rams had higher fertility and their lambs had higher survival to weaning than ewes mated to wool-breed rams, suggesting a better reproductive performance of ewes mated to hair-breed rams.","abstract_html":"Three prolific wool-breeds (Finnsheep, Combo-6 and Booroola Merino) and 2 hair-breeds (St. Croix and Barbados) were evaluated. Suffolk and Targhee ewes were exposed to rams (3 rams per breed per year) of these 5 breeds. Results indicated that ewes mated to hair-breed rams had higher fertility and their lambs had higher survival to weaning than ewes mated to wool-breed rams, suggesting a better reproductive performance of ewes mated to hair-breed rams.","abstract_has_math":false,"creators":["Bunge, Rodrigo"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Animal Sciences","degree_department":null,"school":null,"contributors":["Shanks, Roger D."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-05-07T12:39:07Z","date_published":"2011-05-07T12:39:07Z","updated_at":"2026-07-22T22:25:16Z","subjects":["Biology, Genetics","Agriculture, Animal Culture and Nutrition"],"languages":["eng"],"rights":["Copyright 1992 Bunge, Rodrigo"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["AAI9236405","(UMI)AAI9236405"],"render_values":[{"text":"AAI9236405","href":null,"code":true},{"text":"(UMI)AAI9236405","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/20435","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Shanks, Roger D."]},{"key":"dc:creator","label":"Author","values":["Bunge, Rodrigo"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-05-07T12:39:07Z","10000-01-01","1992"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Animal Sciences"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Biology, Genetics","Agriculture, Animal Culture and Nutrition"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 1992 Bunge, Rodrigo"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["AAI9236405","(UMI)AAI9236405","http://hdl.handle.net/2142/20435"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Three prolific wool-breeds (Finnsheep, Combo-6 and Booroola Merino) and 2 hair-breeds (St. Croix and Barbados) were evaluated. Suffolk and Targhee ewes were exposed to rams (3 rams per breed per year) of these 5 breeds. Results indicated that ewes mated to hair-breed rams had higher fertility and their lambs had higher survival to weaning than ewes mated to wool-breed rams, suggesting a better reproductive performance of ewes mated to hair-breed rams.","F$\\sb1$ ewe lambs resulting from the previous matings were mated to Dorset rams. F$\\sb1$ ewe lambs from hair-breed sires reached puberty later, were lighter at breeding and had a shorter breeding to lambing interval than F$\\sb1$ ewe lambs from wool-breed sires. Hair-breed-sired F$\\sb1$ ewe lambs had higher fertility, less lambs born per ewe lambing and weaned more of lamb per ewe lamb exposed than F$\\sb1$ ewe lambs sired by wool-breed rams suggesting a superior adaptability of the hair-breeds over the wool-breeds to the environment in southern Illinois.","These F$\\sb1$ ewe lambs were also mated to Dorset rams when they were 1$\\sp{1/2}$ and 2$\\sp{1/2}$ years old. F$\\sb1$ ewes from hair-breed sires were lighter at breeding, ovulated less and conceived to a ram earlier than F$\\sb1$ ewes from wool-breed sires. Adult F$\\sb1$ ewes from hair-breed sires had higher fertility, higher ewe productivity and their lambs had higher survival and weighed less at weaning than those from wool-breed sires. These results together with those from Suffolk and Targhee ewes and F$\\sb1$ ewe lambs suggest that the productivity of ewes mated to or sired by hair-breed rams is superior to that of ewes mated to or sired by wool-breed rams.","Made available in DSpace on 2011-05-07T12:39:07Z (GMT). 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Suffolk and Targhee ewes were exposed to rams (3 rams per breed per year) of these 5 breeds. Results indicated that ewes mated to hair-breed rams had higher fertility and their lambs had higher survival to weaning than ewes mated to wool-breed rams, suggesting a better reproductive performance of ewes mated to hair-breed rams.","F$\\sb1$ ewe lambs resulting from the previous matings were mated to Dorset rams. F$\\sb1$ ewe lambs from hair-breed sires reached puberty later, were lighter at breeding and had a shorter breeding to lambing interval than F$\\sb1$ ewe lambs from wool-breed sires. Hair-breed-sired F$\\sb1$ ewe lambs had higher fertility, less lambs born per ewe lambing and weaned more of lamb per ewe lamb exposed than F$\\sb1$ ewe lambs sired by wool-breed rams suggesting a superior adaptability of the hair-breeds over the wool-breeds to the environment in southern Illinois.","These F$\\sb1$ ewe lambs were also mated to Dorset rams when they were 1$\\sp{1/2}$ and 2$\\sp{1/2}$ years old. F$\\sb1$ ewes from hair-breed sires were lighter at breeding, ovulated less and conceived to a ram earlier than F$\\sb1$ ewes from wool-breed sires. Adult F$\\sb1$ ewes from hair-breed sires had higher fertility, higher ewe productivity and their lambs had higher survival and weighed less at weaning than those from wool-breed sires. These results together with those from Suffolk and Targhee ewes and F$\\sb1$ ewe lambs suggest that the productivity of ewes mated to or sired by hair-breed rams is superior to that of ewes mated to or sired by wool-breed rams.","Made available in DSpace on 2011-05-07T12:39:07Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9236405.pdf: 7794254 bytes, checksum: ec0e9a5205e5a323953d18d90529ab4c (MD5) Previous issue date: 1992","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:43:52Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:19:15-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission","ETDs are only available to UIUC Users without author permission","U of I Only"],"dc:identifier":["AAI9236405","(UMI)AAI9236405","http://hdl.handle.net/2142/20435"],"dc:language":["eng"],"dc:rights":["Copyright 1992 Bunge, Rodrigo"],"dc:subject":["Biology, Genetics","Agriculture, Animal Culture and Nutrition"],"dc:title":["Performance of hair breeds and prolific wool breeds of sheep in southern Illinois, United States of America"],"dc:type":["text"],"thesis:degree_discipline":["Animal Sciences"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:16Z"}