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The effect of dietary propolis supplementation on the growth performance of broiler chickens
Autorzy: K. KLECZEK, E. WILKIEWICZ-WAWRO, K. WAWRO, W. MAKOWSKI, D. MURAWSKA, M. WAWRO
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The effect of dietary supplementation with a herbal product, a blend of organic acids and zinc oxide on nutrient digestibility and growth performance in weaned piglets
Autorzy: K. LIPIŃSKI, M. MAZUR, Z. ANTOSZKIEWICZ, Z. MAKOWSKI
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Errors in identifying coat colours in horses: the scale of the problem
Autorzy: A. PAWELEC, E. JASTRZĘBSKA, D. MYER