Correlation and path analysis of assessment methodologies of bone quality from brown egg layers at final of the production cycle
ABSTRACT. This study aimed to investigate direct and indirect correlations of methodologies of bone quality analysis from brown egg layers, at final of the production cycle. Twelve femurs of Dekalb Brown laying hens, euthanized at 85-week-old, were assessed to evaluate breaking strength (BS), Seedor index (SI), mineral matter (MM), calcium (Ca) and phosphorus (P) contents, besides cortical (CorD), medullar (MedD) and epiphysis (EpiD) diameters. Correlations and path analysis were obtained with the aid of SAS® University (p ≤ 0.05). The BS directly represented the bone quality and was compared to other methodologies. Greater linear correlations occurred between BS and MM (r = 0.82), MM and Ca (r = 0.72), and BS and Ca (r = 0.70). The MM content displayed the greatest direct effect on the BS (r = 0.53). The Ca content showed a reduced direct effect on the BS (r = 0.18), with indirect effects through MM content (r = 0.44) and EpiD (r = 0.15), however, presented a great total correlation (r = 0.78). Determination of mineral matter content is the main methodology associated with femur breaking strength from brown egg layers at final of the productive cycle. Because of that, this methodology is more reliable to determine bone quality.
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Editora da Universidade Estadual de Maringá - EDUEM
2022
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oai:scielo:S1807-867220220001005082022-06-02Correlation and path analysis of assessment methodologies of bone quality from brown egg layers at final of the production cycleReis,Túlio LeiteDilelis,FelipeLima,Letícia dos SantosSilva,Pedro Henrique Ferreira daSoares,Pollianna Luciene da SilvaCalixto,Ligia Fátima Lima Direct correlation indirect correlation mineral matter Seedor index bone-breaking strength ABSTRACT. This study aimed to investigate direct and indirect correlations of methodologies of bone quality analysis from brown egg layers, at final of the production cycle. Twelve femurs of Dekalb Brown laying hens, euthanized at 85-week-old, were assessed to evaluate breaking strength (BS), Seedor index (SI), mineral matter (MM), calcium (Ca) and phosphorus (P) contents, besides cortical (CorD), medullar (MedD) and epiphysis (EpiD) diameters. Correlations and path analysis were obtained with the aid of SAS® University (p ≤ 0.05). The BS directly represented the bone quality and was compared to other methodologies. Greater linear correlations occurred between BS and MM (r = 0.82), MM and Ca (r = 0.72), and BS and Ca (r = 0.70). The MM content displayed the greatest direct effect on the BS (r = 0.53). The Ca content showed a reduced direct effect on the BS (r = 0.18), with indirect effects through MM content (r = 0.44) and EpiD (r = 0.15), however, presented a great total correlation (r = 0.78). Determination of mineral matter content is the main methodology associated with femur breaking strength from brown egg layers at final of the productive cycle. Because of that, this methodology is more reliable to determine bone quality.info:eu-repo/semantics/openAccessEditora da Universidade Estadual de Maringá - EDUEMActa Scientiarum. Animal Sciences v.44 20222022-01-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1807-86722022000100508en10.4025/actascianimsci.v44i1.54800 |
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Reis,Túlio Leite Dilelis,Felipe Lima,Letícia dos Santos Silva,Pedro Henrique Ferreira da Soares,Pollianna Luciene da Silva Calixto,Ligia Fátima Lima |
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Reis,Túlio Leite Dilelis,Felipe Lima,Letícia dos Santos Silva,Pedro Henrique Ferreira da Soares,Pollianna Luciene da Silva Calixto,Ligia Fátima Lima Correlation and path analysis of assessment methodologies of bone quality from brown egg layers at final of the production cycle |
| author_facet |
Reis,Túlio Leite Dilelis,Felipe Lima,Letícia dos Santos Silva,Pedro Henrique Ferreira da Soares,Pollianna Luciene da Silva Calixto,Ligia Fátima Lima |
| author_sort |
Reis,Túlio Leite |
| title |
Correlation and path analysis of assessment methodologies of bone quality from brown egg layers at final of the production cycle |
| title_short |
Correlation and path analysis of assessment methodologies of bone quality from brown egg layers at final of the production cycle |
| title_full |
Correlation and path analysis of assessment methodologies of bone quality from brown egg layers at final of the production cycle |
| title_fullStr |
Correlation and path analysis of assessment methodologies of bone quality from brown egg layers at final of the production cycle |
| title_full_unstemmed |
Correlation and path analysis of assessment methodologies of bone quality from brown egg layers at final of the production cycle |
| title_sort |
correlation and path analysis of assessment methodologies of bone quality from brown egg layers at final of the production cycle |
| description |
ABSTRACT. This study aimed to investigate direct and indirect correlations of methodologies of bone quality analysis from brown egg layers, at final of the production cycle. Twelve femurs of Dekalb Brown laying hens, euthanized at 85-week-old, were assessed to evaluate breaking strength (BS), Seedor index (SI), mineral matter (MM), calcium (Ca) and phosphorus (P) contents, besides cortical (CorD), medullar (MedD) and epiphysis (EpiD) diameters. Correlations and path analysis were obtained with the aid of SAS® University (p ≤ 0.05). The BS directly represented the bone quality and was compared to other methodologies. Greater linear correlations occurred between BS and MM (r = 0.82), MM and Ca (r = 0.72), and BS and Ca (r = 0.70). The MM content displayed the greatest direct effect on the BS (r = 0.53). The Ca content showed a reduced direct effect on the BS (r = 0.18), with indirect effects through MM content (r = 0.44) and EpiD (r = 0.15), however, presented a great total correlation (r = 0.78). Determination of mineral matter content is the main methodology associated with femur breaking strength from brown egg layers at final of the productive cycle. Because of that, this methodology is more reliable to determine bone quality. |
| publisher |
Editora da Universidade Estadual de Maringá - EDUEM |
| publishDate |
2022 |
| url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1807-86722022000100508 |
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