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Multivariate analysis of body morphometric traits in conjunction with performance of reproduction and milk traits in crossbred progeny of Murrah × Jafarabadi buffalo (Bubalus bubalis) in North-Eastern Brazil

Author

Listed:
  • Breno Araújo de Melo
  • Alberto de Gusmão Couto
  • Fabiane de Lima Silva
  • Kuang Hongyu
  • Filipe Chagas Teodózio de Araújo
  • Sybelle Georgia Mesquita da Silva
  • Raisa Rodrigues Santos Rios
  • Micheline Thais dos Santos
  • Angelina Bossi Fraga

Abstract

We studied the relationship between body morphometric traits, and their underlying association with milk production (MP), lactation length (LL), first calving interval (FCI) and subsequent calving interval (CI) of crossbred progeny of Murrah × Jafarabadi buffalo aiming to assist in selection programs. We carried out principal component analysis (PCA) of the body morphometric traits, which include breast width (BW), thigh width (THW), hip width (HW), rump width (RW), rump length (RL), body depth (BD), body length (BL), height withers (HEW), rear height (RH), shoulder width (SW), thorax width (TW), loin width (LW), distance from the head to ischium (DHI), and thoracic perimeter (TP). We determined the association of morphometric traits with milk/reproduction traits using canonical correlation analysis (CCA). The analysis revealed that the first six PCA accounted for 82.14% of the total observed variation, and the traits THW, HW, TW, LW, RW, HEW, TP, RH, and BW, accounted for almost half (48.00%) of the total variance indicating a higher contribution in body structural conformation. The first canonical function was significant (p

Suggested Citation

  • Breno Araújo de Melo & Alberto de Gusmão Couto & Fabiane de Lima Silva & Kuang Hongyu & Filipe Chagas Teodózio de Araújo & Sybelle Georgia Mesquita da Silva & Raisa Rodrigues Santos Rios & Micheline T, 2020. "Multivariate analysis of body morphometric traits in conjunction with performance of reproduction and milk traits in crossbred progeny of Murrah × Jafarabadi buffalo (Bubalus bubalis) in North-Eastern," PLOS ONE, Public Library of Science, vol. 15(4), pages 1-19, April.
    • Handle: RePEc:plo:pone00:0231407
    DOI: 10.1371/journal.pone.0231407
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