Abstract
The efficiency of iodine-bound tyrosine (or histidine) in boars' feeding on their reproductive capacity, metabolic health, and morphological and hematological parameters has been investigated. Inclusion of 200 mg of Prost fodder additive, containing 7 mg of iodine in 1 g, in the diet for 3 months had a positive impact on iodine metabolism and semen quality. Iodine content in the blood of boars of the experimental group was 94.5 mg/kg, serum thyroxin was 37.4 nmol/L, and bristle thyroxin was 374 mg/kg. This is higher than that for the control group of boars by 43.6, 6.5, and 246.3%, respectively. Blood leukocyte content of boars from the experimental group was lower and reached 94.5%, and the content of erythrocytes, hemoglobin, and hematocrit were higher by 22.1, 17.5, and 17.1%, respectively. The motility of spermatozoids of the grade A + B of the boars from the experimental group was 70%. Whereas more than 60% of spermatozoids of the animals from the control group were motionless (class D 38.85%) or have oscillatory motion (class С 23.60%) and 40.64% had abnormal morphology.
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Original Russian Text © Yu.P. Fomichev, L.A. Nikanova, 2017, published in Rossiiskaya Sel’skokhozyaistvennaya Nauka, 2017, No. 4, pp. 54–57.
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Fomichev, Y.P., Nikanova, L.A. Increasing of the reproductive properties of boar semen while using organic iodine in feeding. Russ. Agricult. Sci. 43, 419–422 (2017). https://doi.org/10.3103/S1068367417050056
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DOI: https://doi.org/10.3103/S1068367417050056