Effect of Rearing Technology on Production Performance, Selected and Blood Parameters and Welfare Levels of Broiler Chickens During the Summer Production Cycle
Iwona Skomorucha,
Ewa Sosnówka-Czajka
Abstract:The aim of the present study was to determine the effect of rearing technology (rearing system and dietary supplementation with a mixed herbal extract) on the production results, selected physiological and blood parameters, and welfare of broiler chickens during the summer production cycle. In the CON and HE groups, broiler chickens were kept on litter without access to free range; additionally, in the HE group, birds from 22 to 42 days of rearing received a mixed herbal extract (50% Melissa officinalis L. and… Show more
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