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Year 2015 - Volume 35, Number 4
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Morfometric comparative analysis of the hoof of Nelore, Pantaneira and Curraleira breeds of cattle and buffaloes and their relationship with the pathogenesis of digital diseases, 35(4):377-384
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ABSTRACT.- Silva L.A.F., Campos S.B.S., Rabelo R.E., Vulcani V.A.S., Noronha Filho A.D.F. & Freitas S.L.R. 2015. [Morfometric comparative analysis of the hoof of Nelore, Pantaneira and Curraleira breeds of cattle and buffaloes and their relationship with the pathogenesis of digital diseases.] Análise comparativa da morfometria do casco de bovinos das raças Nelore, Curraleira e Pantaneira e de bubalinos e sua relação com a etiopatogenia das enfermidades digitais. Pesquisa Veterinária Brasileira 35(4):377-384. Setor de Clínica e Cirurgia, Departamento de Medicina Veterinária, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Campus II Samambaia, Goiânia, GO 74001-970, Brazil. E-mail: prof_ufg.dmv@hotmail.com
Morfometric studies of bovine and buffalo digits can help to understand the etiopathogeny of digital diseases. This study described morphometric characteristics of digits of Curraleira (Bos taurus), Pantaneira (Bos taurus) Nelore (Bos indicus) breeds of cattle and Murrah buffalo (Bubalus bubalis) and stablish possible relation among the parameters and digital infirmities. Were used ten animals of each breed and specie. Two limbs were evaluated, a toracic and a pelvic, in a total of 80 distal limbs. Morphometric measurements were obtained using a graduated paquimeter and angles using a metallic protactor. The main parameters evaluated were hoof dorsal angle (A), dorsal wall length (B), heel height (C), toe height (D), hoof length (E), hoof diagonal hoof (F), lateral digit width (H), medial digit width (I) and medial digit length (J). For results averages comparison among breeds were used Tukey test (p<0,05). Multivariate analysys for graphic representations of canonic variables was used to express similarity of measures studied among groups, using R software. Results shows tha bubaline present higher morphometric measures for the variables B, C, D, E, F, G, H, I and J, only for variable A presented lower measures comparing the bovine breeds studied. There is similarity between the three breeds of cattle studied about toe height (D), lateral digit width (G) and medial digit width (H), which differed of values observed in buffalo. It was concluded that digital morphometry can influence the occurence of digital infirmities, but doesn´t act as an isolated factor, needing interaction of other structural, environmental and management factors for its occurence. |
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