Published in Scientific Papers. Series D. Animal Science, Vol. LXVII, Issue 2
Written by Sonya IVANOVA, Tanya NIKOLOVA, Vasil PIRGOZLIEV, Radena NENOVA
The study aimed to investigate the effect of gradient levels of 100 mg and 200 mg dihydroquercetin DHQ/kg feed added on performance, back fat thickness, and blood biochemical indices in fattening pigs. An experiment with 30 pigs of the Danube White breed with an initial live weight of 66.3 - 66.5 kg and a final live weight of 100.9 - 102.8 kg, randomly assigned to three treatments – control(C), DHQ1 and DHQ2, was carried out. Pigs were housed individually for 43 days. At the end of the experiment, the thickness of the back fat was measured, and blood samples were taken. Biochemistry indices and fat metabolism indices were studied. Administration of dihydroquercetin did not affect parameters of pig performance in fattening period. The addition of two consecutive levels of DHQ increased MLT, measured in vivo, linearly (P=0.025). The blood glucose content was linearly reduced (P<0.05). A statistically significant effect on high-density lipoproteins (HDL) in animals treated with 200 mg of DHQ (P=0.012), having a high linear dependence (P=0.007) was found, and a trend to reduce the content of triglycerides in the blood of fattening pigs.
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