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Genetic variation in resistance to carpine ... areas where the disease is endemic. The lower incidence rate of caprine foot rot in the purebreds of Kerala as indicated in this study should be extrapolated to its maximum to develop strategies through traditional selection and molecular genetic testing methods to breed for resistance to foot rot in goats of Kerala. The genetic management of disease includes choosing an appropriate breed for the production environment or cross breeding to introduce genes of disease resistance, into a genetic group, which are otherwise well adapted for the required purpose, which is more applicable here. Since the crossbreds excel in their milk production and growth rate when compared to the other two groups, further marker studies are required to introduce foot rot resistant genes of native breeds into the crossbred blood. Acknowledgment The authors are thankful to the Department of Veterinary Microbiology and AICRP on Malabari Goat Improvement Scheme of College of Veterinary and Animal Sciences, Mannuthy, Thrissur, India for their support and help for the current work. Genetska varijacija u otpornosti na koziju zaraznu šepavost prouzrokovanu sa Dichelobacter nodosus kod koza u državi Kerala, Indija N. Thomas, S. Joseph, R. Alex, K.C. Raghavan, G. Radhika, L. Anto, S.G.Mohan Rezime Zarazna šepavost je izuzetno zarazna i ekonomski važna bolest koja pogađa ovde i koze, a izaziva je bakterija Dichelobacter nodosus. Istraživanje je imalo za cilj analizu genetske varijacije u pogledu otpornosti na koziju zaraznu šepavost kod dve autohtone rase koze (Malabari i Attappady Black) kao i meleza (melezi Malabari i sanske, alpino i boer rase), u državi Kerala u Indiji. Slučajevi su identifikovani opservacijom karakterističnih simptoma ove bolesti kod koza, otkirvanjem gram negativnih velikih štapićastih bakterija iz lezija na papcima i PCR za otkrivanje 783bp amplikona iz 16sRNA gena D. nodosus. U ispitivanje su bile uključene 204 životinje, a statistička analiza dobijenih podataka je potvrdila da postoji varijacija u otpornosti na koziju zaraznu šepavost među ispitivanim genetskim grupama (p≤0.01), sa signifikantno manjim brojem slučajeva ove bolesti 239
240 N. Thomas et al. kod malabri (14.29%) i Attappady Black (2.29%) u poređenju sa melezima (43.75%). References ADAMA J.Y., KUDU Y.S. (2008): Incidence of foot rot infection in sheep and goat in Minna Continental J. Vet. Science, 2, 33-37. BILLINGTON S.J., JOHNSTON J.L., ROOD J.I. (1996): Virulence regions and virulence factors of the ovine footrot pathogen Dichelobacter nodosus. FEMS Microbiological Letter, 145,147-156. BISHOP S.C., MORRIS C.A. (2007): Genetics of disease resistance in sheep and goats. Small. Rumin. Research, 70, 1, 48-59. EMERY D.L., STEWART D.J. CLARK B.L. (1984): The comparative susceptibility of five breeds of sheep to foot-rot. Austr. Vet. Journal, 61,85–88. HINDMARSH, F., FRASER, J. (1985): Serogroups of Bacteroides nodosus isolated from ovine foot rot in Britain. Vet. Record, 116,187-188. LA FONTAINE S., EGERTON J.R., ROOD J.I. (1993): Detection of Dichelobacter nodosus using species-specific oligonucleotides as PCR primers. Vet. Microbiology, 35, 101-117. MOORE L.J., WASSINK G.J., GREEN L.E., GROGONO-THOMAS R., (2005): The detection and characterisation of Dichelobacter nodosus from cases of ovine footrot in England and Wales. Vet. Microbiology, 108,1-2, 57-67. SHIMSHONY A. (1989): Foot rot in Awassi and the crosses with East Friesian sheep. New Zeal. Vet. Journal, 37,1, 44. SNEDECOR G.W., COCHRAN W.G. (1994): Statistical Methods. 8th ed. Iowa State University Press, Ames, Iowa, 564. STEWART D.J., PETERSON J.E., VAUGHAN J.A., CLARK B.L., EMERY D.L. CALDWEIL J.B., KORTT A.A. (1986): The pathogenicity and cultural characteristics of virulent, intermediate and benign strains of Bacteroides nodosus causing ovine foot rot. Aust.Vet. J., 63, 317-326. WAN, S.A., SAMANTA I., BHAT M.A., BUCHH A.S. (2004): Molecular detection and characterization of Dichelobacter nodosus in ovine foot rot in India. Mol. Cell. Probes, 18, 289-291. WANI S.A., SAMANTA I., KAWOOSA S. (2007): Isolation and characterization of Dichelobacter nodosus from ovine and caprine footrot in Kashmir, India. Res. Vet. Sci., 83, 141-144. Received 1 April 2011; accepted for publication 11 June 2011
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UDC 636 ISSN 1450-9156 VOL 27, 2 Fo
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Biotechnology in Animal Husbandry 2
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Table 1. Feeding regime durring the
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The effect of crossing of domestic
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The effect of crossing of domestic
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158 J. Pleadin et al. CACCIATORE G.
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160 Efficiency of bovine IGF -I gen
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Physiological aspects of behaviour
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Physiological aspects of behaviour
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Instruction for authors Papers for
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PETROVIĆ D.M., GUTIĆ M., BOGOSAVL
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Registration fee Registration fee i
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Институт за сточар
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