Results of a 16-week safety assurance study with rats fed genetically modified Bt maize: effect on growth and health parameters
Beata Szymczyk, Witold Szczurek, Sylwester Świątkiewicz, Krzysztof Kwiatek, Zbigniew Sieradzki, Małgorzata Mazur, Dariusz Bednarek, Michał Reichert
Effects of Different Dietary Levels of Whey Lactose as a Prebiotic Disaccharide on the Productive Performances and Selected Indices of the Caecal Micro-Environment in Broiler Chickens
Mohamed Nabil Alloui, Witold Szczurek
The Effects of Dietary Whey Lactose and Lactobacillus Agilis Bacteria on the Growth Performance, Physicochemical Conditions of the Digestive Tract and the Caecal Microbial Ecology of Broiler Chickens
Witold Szczurek, Mohamed Nabil Alloui, Damian Józefiak
The Usefulness of Prebiotics and Probiotics in Modern Poultry Nutrition: a Review / Przydatność prebiotyków i probiotyków w nowoczesnym żywieniu drobiu – przegląd
Mohamed Nabil Alloui, Witold Szczurek, Sylwester Świątkiewicz
The influence of selected feed additives on mineral utilisation and bone characteristics in laying hens
Sylwester Świątkiewicz, Anna Arczewska-Włosek, Witold Szczurek, Jolanta Calik, Józefa Krawczyk, Damian Józefiak
Effects of broiler chicken age and dietary protease on the standardised ileal digestibility of amino acids in seeds from two lupin species
Witold Szczurek, Sylwester Świątkiewicz
Algal Oil as Source of Polyunsaturated Fatty Acids in Laying Hens Nutrition: Effect on Egg Performance, Egg Quality Indices and Fatty Acid Composition of Egg Yolk Lipids
Sylwester Świątkiewicz, Anna Arczewska-Włosek, Witold Szczurek, Jolanta Calik, Dorota Bederska-Łojewska, Sylwia Orczewska-Dudek, Siemowit Muszyński, Ewa Tomaszewska, Damian Józefiak
Effect of selected feed additives on egg performance and eggshell quality in laying hens fed a diet with standard or decreased calcium content
Sylwester Świątkiewicz, Anna Arczewska-Włosek, Józefa Krawczyk, Witold Szczurek, Michał Puchała, Damian Józefiak