an evaluation of nano-silver as an alternative antibiotic on performance and intestinal morphometric parameters in broiler chickens

نویسندگان

محمد نقی زاده

تربیت مدرس تهران محمد امیر کریمی ترشیزی

تربیت مدرس تهران

چکیده

to evaluate the efficiency of nanocid as growth promoter in comparison antibiotics and with organic acids on performance and intestinal morphometric characteristics of broiler chickens, 240 male broiler chicks of one dayage (ross 308) were utilized in an experiment of a completely randomized design of 4 treatments and 4 replicates. the experimental treatments included: 1) control (no additives), 2) antibiotic virginiamycin (15 ppm), 3) organic acid (0.2% formaycin), and 4) nanocid (50 ppm). the antibiotic growth promoter group benefited from the highest final average weight (p

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