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In order to investigate the effects of nettle (Urtica dioica) hydro alcoholic extract on broiler poultry, a broiler unit with renal complications was selected and the study was carried out as a field trial. The capacity of each hall was 10,000 pieces, growing poultry were from Ross's commercial breed strain. At the age of 18, 2 salons were affected by renal complications with clinical mortality and after an autopsy in gross pathology test some disorders such as gout, urolithiasis was confirmed. The prescribed dose of both drugs was 1 in 1000 and 3 days in duration. At the beginning and the end of the period of prescribing medicine in two salons, weight loss , mortality rate, macroscopic examination (Gross pathology) and microscopic (histopathologic section), serum biochemical factors (urea, creatinine, uric acid, calcium and phosphorus) were evaluated. The results were analyzed using SPSS software. The results showed that there was no significant difference in the weight calculation (p = 0.1) , mortality analysis (p = 0.31), kidney stone (p = 0.61 and p = 0.12) , interstitial nephritis complication (p = 0.16 and p = 0.32), Glomerulonephropathy (p = 0.50 and p = 0.64),last stage(p = 0.06) nephritis (p = 1 and p = 0.18) but at the end of treatment, the nephrotic complication was significantly less(p = 0.4 and p = 0.04) and microscopic observations significantly decreases (p=0.16 and p = 0.32) in the herd treated with nettle extract respectively. Also, in biochemistry examinations there was no significant difference in the level of urea, creatinine, calcium and phosphorus of the two herds at the end of drug therapy (p = 0.07, p = 0.3, p = 0.3 and p = 0.26), but at the end of the treatment, the amount of uric acid treatment with urticaria was significantly lower than that of the urotropin treated herd (p = 0.004). Also, there was no significant difference in the level of urea, creatinine, calcium and phosphorus of the two herds at the end of drug therapy (p = 0.07, p = 0.3, p = 0.3 and p = 0.26), but at the end of the treatment, the amount of uric acid treatment with urticaria was significantly lower than that of the urotropin treated herd (p = 0.004). Therefore, in general, the results of this study conducted that the administration of a hydroalcoholic extract of nettle with a dose of 1 in 1000 in poultry drinking water on kidney complications had more effective results than administration of urotropin, in other words complication nephrosis and levels of uric acid in the herd which are treated with the extract nettle were significantly less than the flock under It was with urotropin and according to other scientific documents of this drug in humans and other animals, the tendency to become a commercial drug that has an effect on kidney complications of poultry such as nephritis, nephrosis, and urinary stones. In addition, due to the herbaceous nature of the nettle extract, the effectiveness of administration in organic poultry will also be.
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