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Litter sanitation treatments and feed supplements that stimulate bird growth. The aim of this study was to analyse the effects of zeolite (z) and halloysite (h) in feed and rye straw litter on growth performance, meat quality in chickens. 500 males Ross 308 were allocated to 5 groups (10 replicates). Feed for groups 2–5 was supplemented with halloysite and zeolite (25:75). The content of aluminosilicates in the feed was different depending on the feeding phase: 0.5, 1, 1.5, or 2%. The following doses were used in litter: 2, 0.800 kg/m 2  h; 3, 0.400 kg/m 2  h and 0.400 kg/m 2  z; 4, 0.800 kg/m 2  z; 5, 0.200 kg/m 2  h, and 0.600 kg/m 2  z. Growth, and meat quality were analysed. Body weight and body weight gain were higher in groups 2–5 than in group 1, while feed intake was lower in groups 1 and 2 ( p  &lt; 0.05). Body weight, the weight of carcass, and most of its elements were higher in the experimental groups ( p  &lt; 0.05). Breast muscles from group 1 were characterised by better water-holding capacity and higher protein content, while those from 4 had higher content of collagen and water ( p  &lt; 0.05). Breast muscles from group 3 were characterized by lower yellowness than in 2 ( p  &lt; 0.05). Leg muscles from group 1 were characterized by lower redness than in 4 ( p  &lt; 0.05). Water-holding capacity was better in group 3 and protein content was higher in 2 ( p  &lt; 0.05). The content of fat in leg muscle was lower in all experimental groups compared to control ( p  &lt; 0.05). This indicates the suitability of aluminosilicates in poultry management practice, with better growth and meat quality.

Aluminosilicates at different levels in rye litter and feed affect the growth and meat quality of broiler chickens