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A novel biofi lter containing organic, bentonite and halloysite media was applied for elimination of microbial pollutants from the air of an industrial hatchery. The concentrations of total mesophilic bacteria, Gram-negative bacteria, thermophilic actinomycetes, dust and bacterial endotoxin were determined in the air of hatchery during 2 months before installation of the biofi lter, and during 6 months...
The studies were designed to determine the influence of 18 hour road transportation of chicks on the productive results and blood indices. The experiment covered 380 chicks designated to two following groups: (K) control and treatment (D). The control group (K) was placed in the rearing room immediately after hatching, whereas the birds from the treatment group were transported for 18 h (820 km) in...
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