Leather Quality of Some Sudan Desert Sheep and Goats

Abstract

Received: 2015-07-21   |   Accepted: 2015-10-20   |   Available online:2016-04-23

dx.doi.org/10.15414/afz.2016.9.01.15-21

This trial is aimed to study leather properties that produced from Sudan Desert sheep and goats in relation to breed type and age category. Thirty pieces of fresh sheep and goats skins were collected randomly (15 for each) during January 2015. The collected skins were tanned and the produced leather properties were studied. The Statistix 8 program for variance analysis was used for data analysis. The study samples were taken according to the Complete Randomized Design. Sheep leather results revealed that, lamb's skin was significantly (p≥0.05) produced better quality leather than ram's and ewe's skins in elongation %, tensile strength (kg/cm²), cracking load (kg), thickness (mm), tear load (kg/cm), flexibility and moisture%. While it was yielded leather with the same characteristics to ram's and ewe's leather in Ash%, fat % and chrome%. Leather properties [elongation %, tensile strength (kg/cm²), cracking load (kg), tear load (kg/cm), flexibility and Ash%] were significantly (p≥0.05) affected by breed variation. On the other hand thickness (mm), moisture%, fat % and chrome% were not significantly (p≥0.05) affected by breed. Ram's skin was produced better quality leather than ewe's skins. Goat's leather results revealed that, kid goat's skin was significantly (p≥0.05) produced better quality leather than bucks and doe's skin in tensile strength (kg/cm²), cracking load (kg), thickness (mm), tear load (kg/cm) and flexibility degree. But kids and buck's skins were produced the same quality leather in elongation % and moisture% with significant variation (p≥0.05) to doe's leather. Kid's skin yields leather with the same characteristics to buck's and doe's leather in Ash%, fat % and chrome%. Generally Desert goats produce slightly better quality leather than Nubian goats. Leather prosperities [cracking load (kg), tear load (kg/cm), and Ash%] were significantly (p≥0.05) affected by breed variation. Elongation%, tensile strength (kg/cm²), thickness (mm), moisture%, fat %, flexibility and chrome% were not significantly (p≥0.05) affected by goats breed. 

Keywords: leather quality, Kabashi, desert sheep, Nubian goats, desert goats, Sudan

References

ABUSUWAR, A.O., AHMED, E.O. and BLAL, A.M. (2012). Effect of Feeding Treated Groundnut Hulls with Molasses on Performance of Desert Sheep during Late Summer in Arid Rangelands of Western Sudan. International Journal of Theoretical & Applied Sciences, vol. 4, no. 2, pp. 122-127.

AGEEB, A.A. (1992). Production and reproduction characteristics of a flock of Baggara goats of Southern Kordofan. Sud. J.Anim. prod., vol. 5, pp.1-24.

ALI, M.A.M., et al. (2014). Pre-weaning Body Measurements and Performance of Desert Sheep (Tribal Subtypes Hamari and Kabashi) Lambs of Kordofan Region, Sudan. Malaysian Society of Animal Production. Mal. J. Anim. Sci., vol. 17, no. 1, pp. 35-45.

BABEKER, E.A. and ELMANSOURY Y.H.A. (2013). Observations concerning haematological profile and certain biochemical in Sudanese desert goat. Journal of Animal and Feed Research, vol. 3, no. 1, pp.80-86.

CRAIG, A.S., EIKENBERRY, E.F. and PARRY, D.A.D. (1987). Ultrastructural organization of skin: classification on the basis of mechanical role. Connective Tissue Research, vol. 116, pp. 213–223.

DASKIRAN, I., KOR, A. and BINGOL, M. (2006). Slaughter and carcass characteristics of Norduz male kids raised in either intensive or pasture conditions. Pakistan J. Nut, vol. 5, no. 3, pp. 274-277.

DEVENDRA, C. and COOP, I.E. (1982). Ecology and distribution of sheep and goat. world aninal Science. In: Coop, I.E (e. d.) Sheep and goat production, vol. 3. New York: Elsevier, pp. 1-14.

DEVENDRA, C. and MCLEORY, G.B. (1987). Goat and sheep production in the Tropics. Intermediate Tropical Agriculture Series, London: Longman.

EBRAHIEM, M.A., GALALLYN, H.A. and BASHIR, A.Y. (2015a). Skin/Leather Quality of Some Sudan Goats under Range Condition. Global Journal of Animal Scientific Research, vol. 3, no. 2, pp. 329-336.

EBRAHIEM, M.A., et al. (2015b). The effect of breed on Skin/Leather Quality of Sudan Desert Sheep. Global Journal of Animal Scientific Research, vol. 3, no. 1, pp. 6-10.

EL-HAG, F.M., et al. (2007). Supplementary feeding to improve Desert sheep productivity under dryland farming. Trop. Sci., vol. 47, no. 1, pp. 26-32.

EL-HAG, F.M., FADLALLA, B. and MUKHRAR, H.K. (2001). Some production characteristics of Sudanese Desert sheep under range condition in North Kordofan, Sudan. Trop. Anim. Heal. and Prod., vol. 33, pp. 229-239.

FAO (1999). Production Yearbook: volume 52. Rome: FAO.

GALL, C. (1996). Goat breeds of the world. C.T. A. Weikersheim: Margraf Verlag.

GOMEZ, K., and GOMEZ, A.A. (1984). Statistical procedure for the agriculture research. 2. ed. New York: Wiley and Sons.

ISO2418 (2002). International Standards Organization. Leather chemical, physical and mechanical and fastness tests-Sampling location.

ISO3376 (2002). International Standards Organization. Leather physical and mechanical tests – Determination of tensile strength and percentage extension.

ISO3377-1 (2002). International Standards Organization. Leather physical and mechanical tests – Determination of tear load – Part 1: Single edge tear.

ISO3378 (2002). International Standards Organization. Leather – Physical and mechanical tests – Determination of resistance to grain cracking and grain crack index.

ISO4044 (2008). International Standards Organization. Leather chemical tests preparation of chemical test samples.

ISO5398-1 (2007). International Standards Organization. Leather chemical determination of chromic oxide content – Part 1: Quantification by titration.

ISO5402 (2002). International Standards Organization. Leather physical and mechanical tests – Determination of flex resistance by flexometer method.

JACINTO, M.A.C., DA SILVA, S.A.G. and COSTA, R.G. (2005). Anatomic and structural characteristics of wool and non-wool sheep (Ovis aries L.) in regard to the physico-mechanical aspects of the leather. Brazilian Journal of Animal Science, vol. 33, no. 4, pp. 1001-1008.

MUKHTAR, H.K. (1985). Constraints to desert sheep production in the sedentary and nomadic systems of North Kordofan. In: M.E. Lazim (ed.), Annual Research Report (1984–85), (El-Obeid Research Station, Agricultural Research Corporation (ARC), Wad Medani, Sudan), pp: 40-55.

MCLEROY, G.B. (1961). The sheep of Sudan ecotype and tribal breeds. Sudan J. Vet. Sci. and Husbandry, vol. 2, pp. 101-161.

OLIVEIRA, R.J.F., et al. (2007). Influence of genotype on physico-mechanical characteristics of goat and sheep leather. Small Ruminant Research, vol. 73, no. 13, pp. 181-185.

PASSMAN, A. and SUMNER, R.M.W. (1983). Sumner Effects of breed and level of feeding on leather production from 18-month-old weathers. New Zealand Journal of Experimental Agriculture vol. 11, pp. 47-52.

SALEHI, M., et al. (2014). Effects of type, sex and age on goat skin and leather characteristics. Animal Production Science, vol. 54, pp. 638-644.

SARKAR, K.T. (1991). Hide and skins processing technique. In: How to processing raw hide and skins in the tannery. Madrus: Indian Leather Producer Association.

SLTC (1965). Society of Leather Trades Chemists. Official methods of analysis. 4. rev. ed. Redbourn: Society of leather trades chemists.

SSMO1 (2004). Sudanese Standard and Meterology Organization. Leather standards: for garment leather. Khartoum..

SSMO2 (2008). Sudanese Standard and Meterology Organization Leather standards: for vegetable and chrome tanned upper leather. Khartoum.

SSMO3 (2008). Sudanese Standard and Meterology Organization. Leather standards: for lining leather. Khartoum.

SUDHA TB, et al. (2009). Comfort, Chemical, Mechanical, and Structural Properties of Natural and Synthetic Leathers Used for Apparel. Journal of Applied Polymer Science, vol. 114, pp. 1761-1767.

STATISTIX 8 (2007). For the Plant Materials Program. Version 2.0. United States Department of Agriculture (USAD) and Natural Resources Conservation Service (NRCS). USA.

TEKLEBRHAN, T., URGE, M. and MEKASHA, Y. (2012). Skin/leather quality of indigenous and crossbred (Dorper × Indigenous) F1 sheep. Dire Dawa: Haramaya University, School of Animal and Range Sciences.

TIBIN, I.M., SALAH, S.A. and NOOR, I.A. (2010).Effect of management and feed supplementation on the reproductive performance of Hammari sheep under range conditions in North Kordofan, Sudan. In: Tropentag 2010: ETH Zurich, September 14-16, 2010, Conference on International Research on Food Security, Natural Resource Management and Rural Development.

WILSON, T. (1991). Small ruminant production and the small ruminant genetic resource in tropical Africa. FAO Animal Production and Health Paper, no. 88, p. 181.

YEHIA, E. (2002). Ecology of some herbaceous forage in North Kordofan. M.Sc. Thesis. Khartoum: Institute of Environmental Studies, University of Khartoum.

YOUSIF, A. and FADL EL-MOULA, A. (2006). Characterization of Kenana cattle breed and its production environment. Food and Agriculture Organization. Agri., vol. 38, pp. 47-56.