Morphometrical evaluations of the integumental layers at different ages and regions of Bakhtiari sheep
Keywords:
Integument, Epidermis, Dermis, Morphometry, Bakhtiari, SheepAbstract
For this study, 24 Bakhtiari sheep were selected and divided into four age groups: 1-10 days, 5-8 months, 1-2 years and 3 years and more. In each age group, six animals (3 each sex) were used. The specimens of eight different skin regions were collected. They were fixed in 10% formaldehyde solution and processed through routine paraffin embedding, cut at 5-7 µ and stained with H&E, Masson trichrome, Ayoub-Shklar, Verhoeff and Foot’s method for reticulum. Morphometrical studies on these sections were carried out using light microscope and ocular micrometer respectively. Thickness of skin, epidermis and dermis, were measured in all the regions of skin in both sexes. The one-way ANOVA and Duncan's Multiple Range test were used to analyze the data and detect of significant differences. It was found that the thickness of total skin, epidermis, papillary layer and reticular layer of dermis varied among all the regions and was affected significantly by age and sex. The total skin thickness of different regions in neonate, young, young adult and old adult of Bakhtiari sheep ranged from 1197.81-1912.92, 1028.13-1861.90, 1712.08-2932.62, and 1585.24-2717.45 µ respectively.
References
Abbasi, M, Gharzi, A.H., Karimi, Khosravinia, H., 2008. Effects of sex on histological characteristics of various areas
of skin in an Iranian native breed of sheep. J. Ani. Vet. Adv. 7, 1503-1505.
Aktas, A., Daglioglu, S., 2009. Examination of structural features of skin in sheep breeds fetuses with histological
methods. Kafkas Univ Vet Fak Derg. 15, 391-396.
Britt, A.G., Cotton, C.L., Kellett, B.H., Pitman, I.H., Trask, J.A., 1985. Structure of the epidermis of Australian Merino
sheep over a 12- month period. Aust. J. Biol. Sci. 38, 165-174.
Builov, S.V., Erokhin, A. I., Kaplinskaya, L.I., Priselkova, D.O., 1976. Morphology of skin and coat in Kuibyshev and
Romney Marsh rams, Voprosy Genetiki Selektsii v Ovtsevodstve, 99-106.
Butler, L.G., 1991. Potential application of new technologies in research and as indirect selection criteria for wool
production efficiency or quality, In “Wool Biology”, ed. P.I. Hynd, 106-110, Australian Wool Corporation.
Dellmann, H.D., 1993. Textbook of veterinary histology. fourth ed. Lea and Febiger, Philadelphia, pp. 285-298.
FAO, 1998. Food and agriculture organization of the United Nations. Quarterly Vol. 11.
Fayez, I., Marai, M., Taha, A.H., 1976. Wool follicle characteristics in the Awassi fat-tailed sheep. Acta Anat (Basel).
, 55-69.
Genkovski, D., Gerchev, G., 2007. Study of the skin histological structure in ewes from Staroplaninska and
Thoroughbred Tsigai. Biotech. Ani. Husb. 23, 191-197.
Junqueira, L.C., Camerio J., 2003. Basic histology. tenth ed. McGraw-Hill Co, USA, pp. 368-381.
Kiernan, J.A., 1999. Histological and histochemical methods: Theory and Practice. third ed. Butterworth
Heinemann, Oxford, Boston: pp. 103-132.
Kiyanzad, M.R., Panandam, J.M., Emamjomeh Kashan, N., Jelan, Z.A., Dahlan, I., 2003. Reproductive performance
of three Iranian sheep breeds. Asian-Aust. J. Anim. Sci. 16, 11-14.
Kurtdede, N., Asti, R., 1999. The investigation on the skin structure of German Black Head, Hampshire Down,
Lincoln Longwool, White Karaman, Awassi and Konya Merino, Ankara Univ Vet Fak Derg. 46, 219-230.
Mir Shabir, A., Sathyamoorthy, O.R., Ramesh, G., Balachandran, C., 2011. Micrometrical studies on the skin of
madras red sheep (Ovis Aries) in different age groups, Tamilnadu J. Vet. and Ani. Sci. 7, 23-28.
Mobini, B., 2012a. An assessment of fibers in various areas of skin in male and female Bakhtiari breed lambs. J. Vet.
Adv. 2, 273-278.
Mobini, B., 2012b. Histology of the skin in an Iranian native breed of sheep at different ages. J Vet Adv. 2: 226-231.
Mobini, B., 2012c. Morphometry of the hairs in different regions of skin in adult Bakhtiari sheep. Middle-East J. Sci.
Res., 12 (5), 603-607.
Mobini, B., 2013. Micrometrical studies on the hair follicles at different areas of skin in Iranian Bakhtiari lambs.
World Appl. Sci. J., 21 (2): 260-263.
Osfoori, R., Fesus, L., 1996. Genetic relationships of Iranian sheep breed using biochemical genetic marker. Arch.
Tierz. Dumme Rstorf. 39, 133-146.
Ozfiliz, N., Balikçier, M., Erdost, H., Zik, B., 2002. Histological and morphometric features of the skin of native and
hybrid (F1) sheep. Turk. J. Vet. Ani. Sci. 26, 429-438.
Raichev, S., Khristova, G., 1990. Microscopical morphology of the skin of some indigenous types of sheep in
Bulgaria. Zhivotnovdni Nauki. 27, 67-74.
Saxena, S.K., Malik, M.R., Parekh, H.K.B., 1994. Histological character of skin in crossbred cattle. Ind. J. Vet. Anat. 6,
-11.
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