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Articles by Adel Feizi
Total Records ( 7 ) for Adel Feizi
  Rezvan Kiani and Adel Feizi
  Eight drinking water trials were conducted to study the tolerance of young chickens to various concentrations of sodium of drinking water. Chickens tolerated 40 ppm of sodium of drinking water from hatch to seven weeks of age without harmful effects as judged from the data on mortality rate, feed intake, body weight, ascite fluid presence, heart injuries and plasma sodium and protein amounts. High mortalities with ascites and heart injuries occurred in chickens that drank drinking water which its sodium concentration was 350 ppm. Mortalities had a direct relation with increase in levels of sodium in drinking water.
  Adel Feizi and Mehrdad Nazeri
  Newcastle disease is a serious and commonly fatal disease of chickens caused by a Paramyxovirus. Other avian species are also infected, but usually with less severe consequences. In most developing countries Newcastle disease is the most important infectious disease affecting village chickens. The usual source of infection for village chickens is usually other chickens. The role of other birds as carriers to initiate outbreaks in villages is not well documented. Both epidemic and endemic forms of Newcastle disease occur in village conditions. The aim of this study was to assess the effect of Newcastle disease on broiler breeder performance. In this study, four ND afflicted broiler breeder flocks were selected and the effect of this disease was appraised on these flocks. Of cases studied can be refer the mortality rate, production loss, clinical signs, necropsy signs and disease period. Also in afflicted flocks blood sampling was taken in early and 14 days after of involvement to recording the antibody titer by HI test. Of each saloon number of 16 samples was taken. Samples were referred to lab immediately. In lab, HI test was carried out and antibody titer of ND was measured. It must be noted that race of all flocks was Ross. After sampling from chicks on mentioned days were used of HI method for measurement of serum antibody titer. In this study revealed that antibody titer in before and after N.D has significant difference (p<0.05) and antibody titer was increased totally about 2 log after N.D.
  Adel Feizi and Mehrdad Nazeri
  The main objective of this study was to determine the relation between the incidence of ascites syndrome and the ventilation factor in broiler chickens in the northwest region of Iran. We studied seven flocks which showed ascites syndrome. We started to correct unsuitable ventilation conditions in all seven poultry houses. After correction of the ventilation conditions, the incidence rate of ascites syndrome decreased by 1% in all seven poultry houses and we could nearly reduce the prevalence of CRD complex from 7% to 1% in these flocks too.
  Adel Feizi , Farhad Dadian and Mehrdad Nazeri
  The most important genus of thyme is thymus vulgaris known as a garden herb of thyme, which its biologic and pharmacologic effects include: expectorant, antiseptic, anticough, and also anti whooping cough. The recent studies show that thyme has significant effects too, on typhoid, diphtheria, colibacillus, pneumonic bacteria, staphylococcal, streptococcal bacteria, and also has antifungal and antioxidant effects. In this research, 600 day old LOHMAN broilers in 5 groups of 30 selected as experimental and control groups; and in all of these groups vaccination process and also determination of the final weight (FCR) have been used, which in experimental group different doses of essence have been received and after vaccination the samples were taken, and study process of hystopathological changes was done. Regarding to findings and statistical studies which were done SPSS software, the trachea edema factors, tracheitis, pulmonary edema, bronchitis, have been surveyed. In the results obtained from the 6th day onwards IB vaccine (H120) of all above cases experimental group reduced by increasing dose.
  Adel Feizi and Mehrdad Nazeri
  Salmonella is an important cause of human disease with an estimated 80.3 million annual foodborne cases and significant economical losses in the poultry sector worldwide. The aim of this study was to evaluation prevalence of Salmonella infections in layer flocks in East Azerbaijan province of Iran. For isolation of agent after autopsy of losses, liver surface was cauterized and swap from this area was obtained and added into the tetrathionate culture media and incubated at 37°C for 15 h. Then agents obtained from previous stage were cultured in the macconkey agar culture media as five regional method and then incubated at 37°C. After several times, lightly yellow colonies appeared that suggestive non-fermentative lactose bacteria. For differentiation of Salmonella from other non-fermentative lactose bacteria, specific Medias such as TST, urea, MR-VP, SIM, simmon citrate, lysine and Medias contain sucrose, lactose, maltose, manoz and arabinose used. Finally, the amounts of losses since week 31 until 67 was 5030 hens that by adding losses before week 31 which was about 1450, the sum of losses was 6480 or 27% of flock. This study revealed that contamination rate in East Azerbaijan province of Iran is higher than standard levels and because of zoonotical issues between poultries and human must be take measures in this field.
  Adel Feizi , Amin Haghigat and Jafar Taifebagerlu
  Gout is a common metabolic disorder that results in abnormal accumulation of urates in domestic birds. The aim of present study was to assessment of clinical and necropsy manifestation, losses and some biochemical factors in broiler breeder with gout syndrome. In present study, two affected and non-affected broiler breeder farms to gout syndrome were selected. The losses rate by focus on necropsy signs were recorded also blood sampling to determination of biochemical factors such as uric acid, creatinine, albumin, total protein, calcium, phosphorus and sodium and potassium was done. Also, the percentage of egg production during a period of 25-64 weeks in both farms were recorded and compared. Blood samples were obtained from wing vein separation of their serum by centrifuging in 3000 rpm for 15 min then the samples freezed in -19°C. Data examined and analyzed by SPSS Statistical Software, Version 17 with t-test in significant level of α = 0.05 and confidence level of 95%. Data showed that there is a significant differences between measured parameters in two farms p<0.001.
  Adel Feizi and Mehrdad Nazeri
  Gout syndrome is one of the common mortality causes accounted for poultry farms. Gout is diagnosed by deposition of urates in kidney, on heart serous surfaces, liver, mesenteric, air sac and peritoneum, etc. There are two types of diseases: visceral and joint gout. Incidence of gout syndrome in broiler chicks increases mortality and decreases performance. Gout causing factors could be classified in three sections; management and nutritional factors, infectious factors and toxic factors. The current study conducted to evaluate effect of dietary calcium percentage on incidence of gout syndrome and its effect on serum biochemical parameters in broiler chicks. Total 300 broiler chicks (Ross 308), divided in two groups; treatment and control. Each group has three replicates (50). All management factors including: light (intense and duration), temperature, vaccination program, ventilation rate, nutrition, stocking density for both groups were same but dietary calcium percentage was different. Dietary calcium for treatment group was 2 and 1% in control group. Blood samples of each group were collected on 5th, 35th and 42nd days and their serum separated by centrifuging followed by biochemical parameters were measured. Serum biochemical parameters are uric acid, urea, total protein, albumin, creatinine, calcium, phosphorus, magnesium, alkaline phosphatase. In addition, macroscopic examination of renal necropsy, diet exchange ratio, mortality percentage and their relationship were evaluated in this study. Results showed that in treatment group the rate of uric acid, urea, total protein, albumin, creatinine, calcium, calcium and alkaline phosphatase have meaningful changes compared control with group (p<0.05). Evaluation of the serum level phosphorus in treatment group did reveal statistically significant decrease compared with control group (p<0.05). There was no statistical meaningful change in serum level magnesium between two groups (p>0.05). The FCR and mortality rate of treatment groups was higher than the control group. Deposition of urates in kidney, on heart serous surfaces, liver, mesenteric, air sac and peritoneum were displayed in treatment group. The urinary system of the treatment birds, in general, displayed inflammatory lesions showing abnormalities of color, size, shape and texture of kidneys and ureters. The ureters also showed occlusion and distention.
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