Microstructure of the hoof capsule of pigmented and partial albino buffaloes

解剖 胶囊 化学 法国号角 微观结构 生物 植物 结晶学 心理学 教育学
作者
Bruno Moraes Assis,Paulo José Bastos Queiroz,Caroline Rocha de Oliveira Lima,Valcinir Aloísio Scalla Vulcani,Rogério Elias Rabelo,Luiz Antônio Franco da Silva
出处
期刊:Anatomia Histologia Embryologia [Wiley]
卷期号:51 (4): 435-442 被引量:1
标识
DOI:10.1111/ahe.12805
摘要

In this study, atomic force microscopy (AFM), microtomography (MCT-2D and MCT-3D) and energy-dispersive X-ray fluorescence spectrometry (EDXRF) were used to generate parameters of the microstructure of the hoof capsule of pigmented and partial albino buffaloes. Seventy-two digits of adult pigmented buffaloes and 16 of partial albino buffaloes were used and equally divided into thoracic and pelvic limbs and medial and lateral claws. Fragments of 10 mm × 10 mm of the dorsal wall, abaxial wall and pre-bulbar sole were collected. The parametric assumptions were tested using a Shapiro-Wilk test (normality). The independent t-test was used to compare the means at a 5% significance level. AFM demonstrated that the hoof surface of pigmented buffaloes presented with higher average surface roughness (Ra) and root mean square roughness (Rms) (p < 0.05) than the hoof surface of partial albino buffaloes. MCT-2D revealed that pigmented buffaloes had extra tubular keratin with a higher density than intratubular keratin. No pores were observed in the hoof capsule of the buffalo digits. MCT-3D demonstrated that pigmented buffaloes have a higher percentage of large and intermediate horn tubules than partial albino buffaloes. However, this difference was not statistically significant. Partial albino buffaloes showed a statistically higher number of horn tubules/mm2 than pigmented buffaloes (p < 0.05). EDXRF revealed a higher amount of sulphur (S) in the hoof capsule of pigmented buffaloes, and the partial albino buffaloes presented a higher number of minerals such as calcium (Ca), potassium (K), zinc (Zn) and copper (Cu).
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