p. 351−359
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0.05). Combo multi-enzyme in diets did not have any significant effects on performance, egg quality traits and blood parameters of laying hens (P>0.05). Using protexin in laying hens diets without having any significant effects on egg quality traits and blood parameters (P>0.05), improved the feed conversion ratio (P<0.05). In using rice bran with combo multi-enzyme and protexin, performance, egg traits and blood HDL improved (P<0.05), whereas did have any significant effects on the amounts of feed intake and immune cells (P>0.05). The overall results indicated that in laying using 10% rice bran with 0.05% of combo multi-enzyme and 0.005% of probiotic can improve the performance, egg traits and blood HDL.]]>
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0.05). Utilization efficiency of dry matter for milk production was higher in monensin and Methafix-supplemented cows than in control cows (P<0.05). Supplementing milking cow rations with monensin alone or in combination with Methafix significantly (P<0.05) increased milk fat concentration of conjugated linoleic acid (cis9, trans11). In conclusion, the results of this study showed that supplementing mid-lactating cows with monensin or Methafix would increase milk yield, but had no effect on milk components. Dietary supplementation of milking cows with monensin and Methafix alone or together had no effect on majority of milk fatty acids, but elevated milk concentration of conjugated linoleic acid (cis-9, trans 11). ]]>
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