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The investigation was carried out on 72 fatteners of both sexes divided into two groups. Carcass meatiness determined after the slaughter of fatteners was a factor differentiating respective groups: group I with meatiness 49-54.4%, and group II with meatiness 54.7–60%. The m. longissimus dorsi was determined for the content of dry matter, protein, intramuscular fat and total cholesterol. Intramuscular...
The objective of the study was the comparison the influence of the organic Se (Se-Yeast) + vitamin E and inorganic Se (Na2Se03) + vitamin E on reproductive performance of young boars. The studies were carried out on the 60 young boars of the 990 Polish synthetic line divided into 3 groups. During the test (from 70 to 180 days of age) the males received in 1 kg feed mixture: group I-0.2 mg inorganic...
The studies were carried out on 40 young boars of the line 990. On their 70 days of age, the boars were divided into two groups; the control group received 0.2 mg Se and 30 mg vitamin E while the experimental group received 0.5 mg Se + 60 mg vitamin E per 1 kg of feed mixture. The feeding test was carried on from 70 days until 180 days of age. During the experiment the boars were subjected to live...
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