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Fat is an important component of feed rations for poultry as it improves the growth and laying parameters, which translates into better economic outcomes of animal production. The quality of this nutrient is determined by its freshness. It was assumed that the addition of oxidised fat with a peroxide value below 6 mEq O₂/kg in the ration does not trigger any clinical symptoms or morphologic changes...
The purpose of the study was to compare the effect of feeding broiler chickens with mixtures containing raw or extruded soybean seeds on the performance indices, slaughter value and liver histology of the animals. The research began with an analysis of the chemical composition of selected high protein feeds. A nutritional experiment was then performed on 108 sexed Ross 308 chickens, which were allocated...
Badania wykonano na 75 matkach merynosa polskiego odmiany barwnej, dojonych od lutego do kwietnia. Matki utrzymywane były alkierzowo i żywione konserwowanymi paszami objętościowymi oraz mieszanką pasz treściwych. Utworzono 3 grupy żywieniowe: grupa I – kontrolna, bez dodatku ziół do paszy treściwej, oraz grupy II i III, w których zastosowano dodatek mieszanki ziołowej (zamiast otrąb pszennych) do...
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