Optimization in feeding of brown hare (Lepus europaeus) kept on farm
2010
Mertin, D., Animal Production Research Centre, Nitra (Slovak Republic) | Slamečka, J., Animal Production Research Centre, Nitra (Slovak Republic) | Chrastinová, Ľ., Animal Production Research Centre, Nitra (Slovak Republic) | Jurčík, R., Animal Production Research Centre, Nitra (Slovak Republic) | Ondruška. Ľ., Animal Production Research Centre, Nitra (Slovak Republic)
Pelleted feed mixture for brown hare has not been produced commercially in Slovakia, and feed mixtures for rabbits are used. Therefore, the aim of our research was to test and propose new pelleted feed mixture in order to meet required reproduction parameters, to increase muscle mass gains and to improve health in breeding brown hare ensuring higher potential of survival rate after releasing. The possibility to use secondary raw material from food industry to prepare the mixture was tested. Two formulations of pelleted feed mixtures were composed. Hot-air dried proteinous feedstuffs, wheat bran, oat, malt sprouts, secondary raw material after oat flake production, sunflower, sunflower oil meal, beet molasses as a binding material, supplement of vitamins and mineral elements were used. Commercially produced pelleted feed mixture for rabbits was used as a control. In the test of feed mixture with secondary raw material after oat flake production (FM I) during the period of intensive reproduction the number of young per one female was higher in the experimental group (3.25) compared to the control one (C 3.00), however, the results were not statistically significant. Average weight of young in a litter at similar age varied considerably and depended mainly on the number of individuals in the litter. Weight gains varied considerably within the period before weaning. Rate of gains was almost identical after weaning. Differences in average daily relative gains were not statistically significant.
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