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Year : 2004
Tome : 155
Volume : 4
Pages : 221-225
Title : Lysozyme and complement concentrations in horses, donkeys and mules
Authors : L. SOTIROV
Summary : Sera from 143 horses belonging to six breeds (Thoroughbred, East Bulgarian, Arabian, Hanover, Haflinger and Russian Risak), from 61 local donkeys and from 12 mules have been tested for determining lysozyme concentrations with agar diffusion and alternative pathway of complement activation (APCA) through induction of haemolysis. The highest average values of lysozyme concentrations and APCA were obtained in horses (lysozyme concentration : 1,24 ± 0,12 mg/l and APCA : 68,92 ± 2,32 CH50), while donkeys presented intermediate results (1,86 ± 0,12 mg/l and 62,42 ± 2,32 CH50 respectively) and mules showed the lowest values (1,38 ± 0,11 mg/l and 59,11 ± 1,49 CH50). Breed-related differences for the both parameters were evidenced in horses, but environmental conditions would a1so induce changes in lysozyme concentrations and APCA particularly in donkeys and age tended to decrease the innate immunity.
Keywords : horse - donkey - mule - lysozyme - complement.
Correspondence : L. SOTIROV
Adress : Department of Animal Genetics, Faculty of Veterinary Medicine, Trakia University, 6000 Stara Zagora, Bulgaria
Link : pdf

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