Reproductive performance of European‐breed ewes in different seasons of the year under mid‐latitude
The study evaluated the reproductive performance of Ile de France, Texel, Suffolk and crossbred ewes in different seasons, considering season of mating, age, body condition score and breed. The herd was located at geographic coordinates −25.66114429 S, −49.27262198 W, in Fazenda Rio Grande, Paraná S...
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| Veröffentlicht in: | Reproduction in domestic animals 2023-06, Vol.58 (6), p.740-745 |
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| container_title | Reproduction in domestic animals |
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| creator | Heinzen, Bruna Cristina Weber, Saulo Henrique Milczewski, Viviane Maia, Dhéri Kozicki, Luiz Ernandes Sotomaior, Cristina Santos |
| description | The study evaluated the reproductive performance of Ile de France, Texel, Suffolk and crossbred ewes in different seasons, considering season of mating, age, body condition score and breed. The herd was located at geographic coordinates −25.66114429 S, −49.27262198 W, in Fazenda Rio Grande, Paraná State, southern Brazil, in a semi‐intensive system. 643 mating were evaluated, under natural oestrous conditions in 10 consecutive breeding seasons (2015–2019), under a body condition score between 2.5 and 3.5 in 93.9%. Data were analysed using Chi‐square tests, binary logistic regression, ANOVA and t‐test. Considering the breeds and crossbred animals, a pregnancy rate (PR) of 83% (winter), 91% (autumn) and 89% (summer) with no differences between them was obtained, except for 77% PR in spring (p |
| doi_str_mv | 10.1111/rda.14344 |
| format | Article |
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The herd was located at geographic coordinates −25.66114429 S, −49.27262198 W, in Fazenda Rio Grande, Paraná State, southern Brazil, in a semi‐intensive system. 643 mating were evaluated, under natural oestrous conditions in 10 consecutive breeding seasons (2015–2019), under a body condition score between 2.5 and 3.5 in 93.9%. Data were analysed using Chi‐square tests, binary logistic regression, ANOVA and t‐test. Considering the breeds and crossbred animals, a pregnancy rate (PR) of 83% (winter), 91% (autumn) and 89% (summer) with no differences between them was obtained, except for 77% PR in spring (p < .05). Ile de France and crossbred ewes showed similar PR in all four seasons. Suffolk ewes showed similar fertility rates in summer, autumn and winter, but reduced in spring (p < .05); Texel ewes showed lower PR in summer and spring compared to autumn and winter (p < .05). The twin PR (TPR) in autumn, winter and spring showed no differences, except for summer (p < .05). Age did not influence the PR of ewes <2 years, 2–8 years and >8 years in the seasons, except in summer. It was concluded that the reproduction of European ewes breeds under medium latitude, combined with the use of constant management and feeding conditions, resulted in a fertility rate above 77% in all seasons, resulting in constant production of lambs.</description><identifier>ISSN: 0936-6768</identifier><identifier>EISSN: 1439-0531</identifier><identifier>DOI: 10.1111/rda.14344</identifier><identifier>PMID: 36920259</identifier><language>eng</language><publisher>Germany: Blackwell Publishing Ltd</publisher><subject>Animals ; Autumn ; Birth Rate ; breeding season ; Breeding seasons ; Female ; Fertility ; Geographical coordinates ; Latitude ; Mating ; Performance evaluation ; Pregnancy ; Pregnancy Rate ; Reproduction ; reproductive seasonality ; Seasons ; sheep ; Sheep - genetics ; Sheep, Domestic ; Spring ; Spring (season) ; Summer ; Variance analysis ; Winter</subject><ispartof>Reproduction in domestic animals, 2023-06, Vol.58 (6), p.740-745</ispartof><rights>2023 Wiley‐VCH GmbH. Published by John Wiley & Sons Ltd</rights><rights>2023 Wiley-VCH GmbH. Published by John Wiley & Sons Ltd.</rights><rights>Copyright © 2023 Wiley‐VCH GmbH</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3204-45c7d6b158ddc188e6cd2682739caefb2dd1cda23e4238ed1892b4bbddeae2e73</citedby><cites>FETCH-LOGICAL-c3204-45c7d6b158ddc188e6cd2682739caefb2dd1cda23e4238ed1892b4bbddeae2e73</cites><orcidid>0000-0002-3700-1811 ; 0000-0001-9281-3743</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Frda.14344$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Frda.14344$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/36920259$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Heinzen, Bruna Cristina</creatorcontrib><creatorcontrib>Weber, Saulo Henrique</creatorcontrib><creatorcontrib>Milczewski, Viviane</creatorcontrib><creatorcontrib>Maia, Dhéri</creatorcontrib><creatorcontrib>Kozicki, Luiz Ernandes</creatorcontrib><creatorcontrib>Sotomaior, Cristina Santos</creatorcontrib><title>Reproductive performance of European‐breed ewes in different seasons of the year under mid‐latitude</title><title>Reproduction in domestic animals</title><addtitle>Reprod Domest Anim</addtitle><description>The study evaluated the reproductive performance of Ile de France, Texel, Suffolk and crossbred ewes in different seasons, considering season of mating, age, body condition score and breed. The herd was located at geographic coordinates −25.66114429 S, −49.27262198 W, in Fazenda Rio Grande, Paraná State, southern Brazil, in a semi‐intensive system. 643 mating were evaluated, under natural oestrous conditions in 10 consecutive breeding seasons (2015–2019), under a body condition score between 2.5 and 3.5 in 93.9%. Data were analysed using Chi‐square tests, binary logistic regression, ANOVA and t‐test. Considering the breeds and crossbred animals, a pregnancy rate (PR) of 83% (winter), 91% (autumn) and 89% (summer) with no differences between them was obtained, except for 77% PR in spring (p < .05). Ile de France and crossbred ewes showed similar PR in all four seasons. Suffolk ewes showed similar fertility rates in summer, autumn and winter, but reduced in spring (p < .05); Texel ewes showed lower PR in summer and spring compared to autumn and winter (p < .05). The twin PR (TPR) in autumn, winter and spring showed no differences, except for summer (p < .05). Age did not influence the PR of ewes <2 years, 2–8 years and >8 years in the seasons, except in summer. It was concluded that the reproduction of European ewes breeds under medium latitude, combined with the use of constant management and feeding conditions, resulted in a fertility rate above 77% in all seasons, resulting in constant production of lambs.</description><subject>Animals</subject><subject>Autumn</subject><subject>Birth Rate</subject><subject>breeding season</subject><subject>Breeding seasons</subject><subject>Female</subject><subject>Fertility</subject><subject>Geographical coordinates</subject><subject>Latitude</subject><subject>Mating</subject><subject>Performance evaluation</subject><subject>Pregnancy</subject><subject>Pregnancy Rate</subject><subject>Reproduction</subject><subject>reproductive seasonality</subject><subject>Seasons</subject><subject>sheep</subject><subject>Sheep - genetics</subject><subject>Sheep, Domestic</subject><subject>Spring</subject><subject>Spring (season)</subject><subject>Summer</subject><subject>Variance analysis</subject><subject>Winter</subject><issn>0936-6768</issn><issn>1439-0531</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kEtOwzAQhi0EoqWw4ALIEisWaWM7Ly-rUh5SJaQK1pbjmUCqJil2QtUdR-CMnASXADtmM5tv_pn5CDln4Zj5mljQYxaJKDogQ99lEMaCHZJhKEUSJGmSDciJc6swZHGWpsdkIBLJQx7LIXle4sY20Jm2fEO6QVs0ttK1QdoUdN7ZZoO6_nz_yC0iUNyio2VNoSwKtFi31KF2Te32dPuCdIfa0q4GtLQqwc-tdVu2HeApOSr02uHZTx-Rp5v54-wuWDzc3s-mi8AIHkZBFJsUktzfCWBYlmFigCcZT4U0GoucAzADmguMuMgQWCZ5HuU5AGrkmIoRuexz_VevHbpWrZrO1n6l4hnnTHLJuKeuesrYxjmLhdrYstJ2p1io9kqVV6q-lXr24iexyyuEP_LXoQcmPbAt17j7P0ktr6d95Be32IPh</recordid><startdate>202306</startdate><enddate>202306</enddate><creator>Heinzen, Bruna Cristina</creator><creator>Weber, Saulo Henrique</creator><creator>Milczewski, Viviane</creator><creator>Maia, Dhéri</creator><creator>Kozicki, Luiz Ernandes</creator><creator>Sotomaior, Cristina Santos</creator><general>Blackwell Publishing Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope><orcidid>https://orcid.org/0000-0002-3700-1811</orcidid><orcidid>https://orcid.org/0000-0001-9281-3743</orcidid></search><sort><creationdate>202306</creationdate><title>Reproductive performance of European‐breed ewes in different seasons of the year under mid‐latitude</title><author>Heinzen, Bruna Cristina ; Weber, Saulo Henrique ; Milczewski, Viviane ; Maia, Dhéri ; Kozicki, Luiz Ernandes ; Sotomaior, Cristina Santos</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3204-45c7d6b158ddc188e6cd2682739caefb2dd1cda23e4238ed1892b4bbddeae2e73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Animals</topic><topic>Autumn</topic><topic>Birth Rate</topic><topic>breeding season</topic><topic>Breeding seasons</topic><topic>Female</topic><topic>Fertility</topic><topic>Geographical coordinates</topic><topic>Latitude</topic><topic>Mating</topic><topic>Performance evaluation</topic><topic>Pregnancy</topic><topic>Pregnancy Rate</topic><topic>Reproduction</topic><topic>reproductive seasonality</topic><topic>Seasons</topic><topic>sheep</topic><topic>Sheep - genetics</topic><topic>Sheep, Domestic</topic><topic>Spring</topic><topic>Spring (season)</topic><topic>Summer</topic><topic>Variance analysis</topic><topic>Winter</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Heinzen, Bruna Cristina</creatorcontrib><creatorcontrib>Weber, Saulo Henrique</creatorcontrib><creatorcontrib>Milczewski, Viviane</creatorcontrib><creatorcontrib>Maia, Dhéri</creatorcontrib><creatorcontrib>Kozicki, Luiz Ernandes</creatorcontrib><creatorcontrib>Sotomaior, Cristina Santos</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Reproduction in domestic animals</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Heinzen, Bruna Cristina</au><au>Weber, Saulo Henrique</au><au>Milczewski, Viviane</au><au>Maia, Dhéri</au><au>Kozicki, Luiz Ernandes</au><au>Sotomaior, Cristina Santos</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reproductive performance of European‐breed ewes in different seasons of the year under mid‐latitude</atitle><jtitle>Reproduction in domestic animals</jtitle><addtitle>Reprod Domest Anim</addtitle><date>2023-06</date><risdate>2023</risdate><volume>58</volume><issue>6</issue><spage>740</spage><epage>745</epage><pages>740-745</pages><issn>0936-6768</issn><eissn>1439-0531</eissn><abstract>The study evaluated the reproductive performance of Ile de France, Texel, Suffolk and crossbred ewes in different seasons, considering season of mating, age, body condition score and breed. The herd was located at geographic coordinates −25.66114429 S, −49.27262198 W, in Fazenda Rio Grande, Paraná State, southern Brazil, in a semi‐intensive system. 643 mating were evaluated, under natural oestrous conditions in 10 consecutive breeding seasons (2015–2019), under a body condition score between 2.5 and 3.5 in 93.9%. Data were analysed using Chi‐square tests, binary logistic regression, ANOVA and t‐test. Considering the breeds and crossbred animals, a pregnancy rate (PR) of 83% (winter), 91% (autumn) and 89% (summer) with no differences between them was obtained, except for 77% PR in spring (p < .05). Ile de France and crossbred ewes showed similar PR in all four seasons. Suffolk ewes showed similar fertility rates in summer, autumn and winter, but reduced in spring (p < .05); Texel ewes showed lower PR in summer and spring compared to autumn and winter (p < .05). The twin PR (TPR) in autumn, winter and spring showed no differences, except for summer (p < .05). Age did not influence the PR of ewes <2 years, 2–8 years and >8 years in the seasons, except in summer. It was concluded that the reproduction of European ewes breeds under medium latitude, combined with the use of constant management and feeding conditions, resulted in a fertility rate above 77% in all seasons, resulting in constant production of lambs.</abstract><cop>Germany</cop><pub>Blackwell Publishing Ltd</pub><pmid>36920259</pmid><doi>10.1111/rda.14344</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-3700-1811</orcidid><orcidid>https://orcid.org/0000-0001-9281-3743</orcidid></addata></record> |
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| subjects | Animals Autumn Birth Rate breeding season Breeding seasons Female Fertility Geographical coordinates Latitude Mating Performance evaluation Pregnancy Pregnancy Rate Reproduction reproductive seasonality Seasons sheep Sheep - genetics Sheep, Domestic Spring Spring (season) Summer Variance analysis Winter |
| title | Reproductive performance of European‐breed ewes in different seasons of the year under mid‐latitude |
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