Articles | Volume 62, issue 1
Original study
21 Mar 2019
Original study |  | 21 Mar 2019

The influence of zinc-methionine bioplex supplementation to pregnant and lactating sheep on selected wool parameters

Anna Wyrostek, Stefania Kinal, Bożena Patkowska-Sokoła, Robert Bodkowski, Paulina Cholewińska, and Katarzyna Czyż

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Cited articles

Bauchart-Thevret, C., Stoll, B., Chacko, S., and Burrin, D. G.: Sulfur amino acid deficiency upregulates intestinal methionine cycle activity and suppresses epithelial growth in neonatal pigs, Am. J. Physiol. Endocrinol. Metabolism, 296, E1239–E1250,, 2009. 
Bin, P., Huang, R., and Zhou, X.: Oxidation Resistance of the Sulfur Amino Acids: Methionine and Cysteine, BioMed Res. Internat., 2017, 9584932,, 2017. 
Cao, J., Henry, P. R., Guo, R., Holwerda, R. A., Toth, J. P., Littell, R. C., Miles, R. D., and Ammerman, C. B.: Chemical characteristics and relative bioavailability of supplemental organic zinc sources for poultry and ruminants, J. Anim. Sci., 78, 2039–2054,, 2000. 
Corbett, J. L.: Variation in wool growth with physiological state, in: CSIRO Division of Animal Production, Pastoral Research Laboratory Armidale, NSW 350, Australia, Physiological and Environmental Limitations to Wool Growth, Leura, NSW, University of New England Publishing Unit, Armidale, NSW, 79–98, 1979. 
European Union: Standard PN-EN ISO 137:2016-04: Wool – Determination of fibre diameter – Projection microscope method, 2016. 
Short summary
Sulfur amino acids, such as methionine, and minerals, such as zinc, are the most important nutrients affecting wool production. This study evaluated an effect of zinc and methionine supplementation on Merino ewes wool features and zinc content in wool fibers. Wool fibers' length, thickness, breaking force and zinc content were higher in the supplemented group. Histological structure of fibers from both groups did not differ. The results are beneficial from the processing point of view.