Anatomical study of omasal laminae of Nelore bovines

  • Wilson Machado de Souza Universidade Estadual Paulista Júlio de Mesquita Filho, Faculdade de Ciências Agrárias e Veterinárias, Jaboticabal, SP
  • Nair Trevisan Machado de Souza Universidade Estadual Paulista Júlio de Mesquita Filho, Faculdade de Ciências Agrárias e Veterinárias, Jaboticabal, SP
  • Irvênia Luiza de Santis Prada Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, São Paulo, SP
  • Clovis Ferrari Frigorífico de Taquaritinga, Taguaritinga, SP
  • Martia Angélica Miglino Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, São Paulo, SP
  • Roberto Carvalhal Fundação Otávio Bastos São João da Boa Vista, SP
Keywords: Anatomy of cattle, Omasum

Abstract

The height of each of the laminae of the omasum was measured in 40 especimens of adult Nelore cattle (18 females and 22 males). The laminae were classified as of I, II, III, IV and V orders, according to their decreasing height and their average number was calculated as well as the average  number of cycles (a cycle was considered as the group of laminae centralized by a I order lamina). The average height of the I to V order laminae was 21.77 cm, 6.25 cm, 1.72 cm and 0.05 cm, respectively, in males, and 19.65
cm, 11.75 cm, 5.93 cm, 1.94 cm and 0.27 cm, in females. Combining the data of females and males the average number of laminae resulted to be the
following: 23.23 cm (I order), 24.25 cm (II order), 44.50 cm (III order), 79.68 cm (IV order), and 23.50 cm (V order). The average number of cycles of laminae was 23.23 cm per organ.

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Published
1990-06-01
How to Cite
Souza, W., Souza, N., Prada, I. L. de, Ferrari, C., Miglino, M. A., & Carvalhal, R. (1990). Anatomical study of omasal laminae of Nelore bovines. Brazilian Journal of Veterinary Research and Animal Science, 27(1), 17-23. https://doi.org/10.11606/issn.0000-0000.27117-23
Section
BASIC SCIENCES

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