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Comparative assessment of growth curves in Brazilian white Morada Nova hair sheep breed
The Morada Nova sheep breed is essential for the economy of the semi-arid region of Northeast Brazil, standing out for its adaptability, resistance to parasites and reproductive ability. However, the white variant is endangered, highlighting the importance of studies on its productivity to support c...
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| Published in: | Tropical animal health and production 2024-07, Vol.56 (6), p.198-198, Article 198 |
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| creator | de Assunção, Marcos Aurelio Victor de Sousa, José Ernandes Rufino Silveira, Robson Mateus Freitas McManus, Concepta Sales, Daniel Caetano do Nascimento, Bianca Ferreira Felix, Natanael Silva Façanha, Débora Andréa Evangelista |
| description | The Morada Nova sheep breed is essential for the economy of the semi-arid region of Northeast Brazil, standing out for its adaptability, resistance to parasites and reproductive ability. However, the white variant is endangered, highlighting the importance of studies on its productivity to support conservation efforts. This study focuses on the growth curve of the Morada Nova sheep breed, using nonlinear models and analyzing flock profiles. Total of 764 observations of 165 animals from four farms in Ceará and Rio Grande do Norte, Brazil, were analyzed. Canonical discriminant analysis (CDA) was used for the exploratory analysis and four nonlinear models were used to study the growth curve. Weight from birth to 270 days of age, absolute growth rate (AGR), and the impact of sex on growth curves were assessed. Sex and farm are significant discriminating variables (
P
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| doi_str_mv | 10.1007/s11250-024-04065-0 |
| format | article |
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P
< 0.05) for the studied effects (weight and age). Weight was the primary phenotypic biomarker that discriminated between the two indicators, while age was a discriminating indicator only for the core effect. The Gompertz model was the most efficient, presenting the lowest residuals and greatest convergence. The study reveals new information about the growth of Morada Nova sheep, the white variety, including weight differences between the sexes at all analyzed ages and an inflection point before 90 days of age. These discoveries contribute to the understanding of the breed's growth and help in the formulation of conservation strategies.</description><identifier>ISSN: 0049-4747</identifier><identifier>ISSN: 1573-7438</identifier><identifier>EISSN: 1573-7438</identifier><identifier>DOI: 10.1007/s11250-024-04065-0</identifier><identifier>PMID: 38980548</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Adaptability ; Age ; Animal models ; Animals ; Arid zones ; Biomarkers ; Biomedical and Life Sciences ; Body Weight ; Brazil ; Breeding ; Breeding of animals ; Discriminant analysis ; farms ; Female ; flocks ; Growth curves ; Life Sciences ; Livestock ; logit analysis ; Male ; Parasite resistance ; Parasites ; phenotype ; Reproductive health ; reproductive performance ; Semi arid areas ; Semiarid lands ; semiarid zones ; Sex ; Sheep ; Sheep - growth & development ; Sheep, Domestic - genetics ; Sheep, Domestic - growth & development ; Sheep, Domestic - physiology ; Short Communications ; Veterinary Medicine/Veterinary Science ; Weight ; Zoology</subject><ispartof>Tropical animal health and production, 2024-07, Vol.56 (6), p.198-198, Article 198</ispartof><rights>The Author(s), under exclusive licence to Springer Nature B.V. 2024</rights><rights>2024. The Author(s), under exclusive licence to Springer Nature B.V.</rights><rights>The Author(s), under exclusive licence to Springer Nature B.V. 2024.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c289t-df7dbc94cc1ffa94b2077e7aa0436f47f12647e407c920f7ad8f639dc483f15e3</cites><orcidid>0000-0003-2285-9695</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/38980548$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>de Assunção, Marcos Aurelio Victor</creatorcontrib><creatorcontrib>de Sousa, José Ernandes Rufino</creatorcontrib><creatorcontrib>Silveira, Robson Mateus Freitas</creatorcontrib><creatorcontrib>McManus, Concepta</creatorcontrib><creatorcontrib>Sales, Daniel Caetano</creatorcontrib><creatorcontrib>do Nascimento, Bianca Ferreira</creatorcontrib><creatorcontrib>Felix, Natanael Silva</creatorcontrib><creatorcontrib>Façanha, Débora Andréa Evangelista</creatorcontrib><title>Comparative assessment of growth curves in Brazilian white Morada Nova hair sheep breed</title><title>Tropical animal health and production</title><addtitle>Trop Anim Health Prod</addtitle><addtitle>Trop Anim Health Prod</addtitle><description>The Morada Nova sheep breed is essential for the economy of the semi-arid region of Northeast Brazil, standing out for its adaptability, resistance to parasites and reproductive ability. However, the white variant is endangered, highlighting the importance of studies on its productivity to support conservation efforts. This study focuses on the growth curve of the Morada Nova sheep breed, using nonlinear models and analyzing flock profiles. Total of 764 observations of 165 animals from four farms in Ceará and Rio Grande do Norte, Brazil, were analyzed. Canonical discriminant analysis (CDA) was used for the exploratory analysis and four nonlinear models were used to study the growth curve. Weight from birth to 270 days of age, absolute growth rate (AGR), and the impact of sex on growth curves were assessed. Sex and farm are significant discriminating variables (
P
< 0.05) for the studied effects (weight and age). Weight was the primary phenotypic biomarker that discriminated between the two indicators, while age was a discriminating indicator only for the core effect. The Gompertz model was the most efficient, presenting the lowest residuals and greatest convergence. The study reveals new information about the growth of Morada Nova sheep, the white variety, including weight differences between the sexes at all analyzed ages and an inflection point before 90 days of age. These discoveries contribute to the understanding of the breed's growth and help in the formulation of conservation strategies.</description><subject>Adaptability</subject><subject>Age</subject><subject>Animal models</subject><subject>Animals</subject><subject>Arid zones</subject><subject>Biomarkers</subject><subject>Biomedical and Life Sciences</subject><subject>Body Weight</subject><subject>Brazil</subject><subject>Breeding</subject><subject>Breeding of animals</subject><subject>Discriminant analysis</subject><subject>farms</subject><subject>Female</subject><subject>flocks</subject><subject>Growth curves</subject><subject>Life Sciences</subject><subject>Livestock</subject><subject>logit analysis</subject><subject>Male</subject><subject>Parasite resistance</subject><subject>Parasites</subject><subject>phenotype</subject><subject>Reproductive health</subject><subject>reproductive performance</subject><subject>Semi arid areas</subject><subject>Semiarid lands</subject><subject>semiarid zones</subject><subject>Sex</subject><subject>Sheep</subject><subject>Sheep - growth & development</subject><subject>Sheep, Domestic - genetics</subject><subject>Sheep, Domestic - growth & development</subject><subject>Sheep, Domestic - physiology</subject><subject>Short Communications</subject><subject>Veterinary Medicine/Veterinary Science</subject><subject>Weight</subject><subject>Zoology</subject><issn>0049-4747</issn><issn>1573-7438</issn><issn>1573-7438</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNqFkU1vEzEQhi1ERdLAH-CALHHhsnS8nl17jxAVitSPC4ij5XjHzVbZdbB3U9Ffj5sEkHqA0xzmed_R6GHstYD3AkCdJSHKCgoosQCEuirgGZuLSslCodTP2RwAmwIVqhk7TekOIMd0_YLNpG40VKjn7Psy9Fsb7djtiNuUKKWehpEHz29juB_X3E1xR4l3A_8Y7UO36ezA79fdSPwqRNtafh12lq9tF3laE235KhK1L9mJt5tEr45zwb59Ov-6vCgubz5_WX64LFypm7FovWpXrkHnhPe2wVUJSpGyFlDWHpUXZY2KEJRrSvDKttrXsmkdaulFRXLB3h16tzH8mCiNpu-So83GDhSmZKSoZF0rwPL_aD4ttIZaZPTtE_QuTHHIj-ypSqFoMFPlgXIxpBTJm23seht_GgHm0ZA5GDLZkNkbMpBDb47V06qn9k_kt5IMyAOQ8mq4pfj39j9qfwGwLZrZ</recordid><startdate>20240701</startdate><enddate>20240701</enddate><creator>de Assunção, Marcos Aurelio Victor</creator><creator>de Sousa, José Ernandes Rufino</creator><creator>Silveira, Robson Mateus Freitas</creator><creator>McManus, Concepta</creator><creator>Sales, Daniel Caetano</creator><creator>do Nascimento, Bianca Ferreira</creator><creator>Felix, Natanael Silva</creator><creator>Façanha, Débora Andréa Evangelista</creator><general>Springer Netherlands</general><general>Springer Nature B.V</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>7QL</scope><scope>7T7</scope><scope>7U7</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H94</scope><scope>K9.</scope><scope>M7N</scope><scope>P64</scope><scope>7X8</scope><scope>7S9</scope><scope>L.6</scope><orcidid>https://orcid.org/0000-0003-2285-9695</orcidid></search><sort><creationdate>20240701</creationdate><title>Comparative assessment of growth curves in Brazilian white Morada Nova hair sheep breed</title><author>de Assunção, Marcos Aurelio Victor ; 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However, the white variant is endangered, highlighting the importance of studies on its productivity to support conservation efforts. This study focuses on the growth curve of the Morada Nova sheep breed, using nonlinear models and analyzing flock profiles. Total of 764 observations of 165 animals from four farms in Ceará and Rio Grande do Norte, Brazil, were analyzed. Canonical discriminant analysis (CDA) was used for the exploratory analysis and four nonlinear models were used to study the growth curve. Weight from birth to 270 days of age, absolute growth rate (AGR), and the impact of sex on growth curves were assessed. Sex and farm are significant discriminating variables (
P
< 0.05) for the studied effects (weight and age). Weight was the primary phenotypic biomarker that discriminated between the two indicators, while age was a discriminating indicator only for the core effect. The Gompertz model was the most efficient, presenting the lowest residuals and greatest convergence. The study reveals new information about the growth of Morada Nova sheep, the white variety, including weight differences between the sexes at all analyzed ages and an inflection point before 90 days of age. These discoveries contribute to the understanding of the breed's growth and help in the formulation of conservation strategies.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><pmid>38980548</pmid><doi>10.1007/s11250-024-04065-0</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0003-2285-9695</orcidid></addata></record> |
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| subjects | Adaptability Age Animal models Animals Arid zones Biomarkers Biomedical and Life Sciences Body Weight Brazil Breeding Breeding of animals Discriminant analysis farms Female flocks Growth curves Life Sciences Livestock logit analysis Male Parasite resistance Parasites phenotype Reproductive health reproductive performance Semi arid areas Semiarid lands semiarid zones Sex Sheep Sheep - growth & development Sheep, Domestic - genetics Sheep, Domestic - growth & development Sheep, Domestic - physiology Short Communications Veterinary Medicine/Veterinary Science Weight Zoology |
| title | Comparative assessment of growth curves in Brazilian white Morada Nova hair sheep breed |
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