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Articles by J. Arshami
Total Records ( 5 ) for J. Arshami
  S. Hosseini , J. Arshami and M.E. Torshizi
  The aim of this study was to evaluate the effects of graded Cu and Zn on immune system. A total of 360 day-old broilers were distributed into 9 treatments with 4 replicates using CRD design (3x3 factorial). Chicks for 42 days received Cu (35, 70, 105 mg kg-1 diet) and Zn (40, 80, 120 mg kg-1 diet). On days 8, 12 and 15, chicks were vaccinated against Newcastle Disease Virus (NDV), Infectious Bronchitis Virus (IBV) and Infectious Bursal Disease (IBD), respectively. Two chicks from each pen were bled on days 6 and 12 after vaccinations and collected sera were used in Hemaglutination Inhibition Test for NDV and ELISA test for IBV and IBD. On day 42, one bird from each pen was bled for counting leukocytes. Data analysis showed no significant interaction between graded Cu and zinc. The main effect means of titers increased by Cu at 105 ppm for NDV (day 12), IBV (days 6 and 12) and IBD (days 6 and 12). Zinc at 120 ppm slightly improved titers of NDV (day 6), IBV (day 6) and IBD (day 12). Graded Cu significantly enhanced number of heterophils and ratio of heterophil to lymphocyte (H:L), but reduced number of lymphocytes (p<0.05). Conversely, graded Zn significantly decreased H:L (p<0.05), but increased lymphocytes and monocytes and decreased heterophils. In conclusion, supplementations of Cu and Zn promoted immune system in broilers.
  J. Arshami , M. Heydar-Poor , H. Zarghi , M. Pilevar and M. Esmailzadeh
  Oxymetholone at 0.6 mg/kg feed or mixed with ZnSO4 (45mg/kg feed), testosterone at 10 mg/kg feed or mixed with ZnSO4 (45 mg/kg feed) and 0 mg/kg of either one were given to 180 turkey chicks (n = 9; r = 4) from 6-18 weeks of age to determine their effects on growth performance. Body Weight (BW) was increased gradually in all treatments when compared to the control group with the highest level for oxymetholone and testosterone alone respectively. Feed Intake (FI) during 12 weeks of study decline slightly in all treatments with the lowest level for oxymetholone + ZnSO4 and the highest level for control group. Feed Conversion Ratio (FCR) at the end of study was 4.77 for control group and 4.15, 4.32, 4.50 and 4.69 for different treatments, respectively. Growth Rate (GR) differed for each week and treatment. Overall, the treatment groups showed higher GR when compared to control group in every week. The percentage of Carcass Weight (%CW) was increased significantly (p<0.05) in all treatments in comparison with control group with highest level for testosterone + ZnSO4. The treatments did not influence significantly on the internal organs by the end of study. Oxymetholone induced BW and %CW (p<0.05) with less FI and FCR when compared to testosterone and control group in turkey chicks.
  J. Arshami , M. Pilevar and M. Elahi
  The growth and reproduction performance and egg production parameters in 128 pullet chicks were monitored during 42 days received 5, 7.5 and 10% Flaxseed (FS) in their diet as a treatment. One-day-old Hy-line W-36 pullet chicks were divided into four groups of Control (C) and treatments (T1, T2 and T3) with 32 pieces in each one and 4 replicates. The chicks received ad libitum feed and water from the first day of age to week 22. Birds were individually penned from week 18 to determine time of oviposition and egg weight and quantity. The mean Body Weight (BW) and Feed Intake (FI) were recorded and calculated every 3 weeks. One pullet from each replicate on week 8 and day of oviposition was sacrified. Then, the weight of internal organs as percentage including: femur, FeW; breast, BrW; heart, HW; spleen, SW; liver, LW; gut, GW; fat cavity, FW; oviduct, ovary and Large Yellow Follicles (LYF) and number of LYF were measured. Our results indicated that as the level of FS increases from 5-7.5% and 10%, the BW and FI reduce, thus FCR increases in pullets. The evaluation of internal organs at 8th week and 1th oviposition, revealed no significant differences between treatments and control group. Although, in the 1st time, FS treatments increased HW and LW, but decreased FW; whereas in the 2nd time, FeW, BrW and GW induced and SW and LW reduced. Also, reproduction parameters showed reduction in weight of oviduct, ovary and LYF and number of LYF in treatment group. In addition, the weight of egg at oviposition, number of days to photo-stimulation and egg production on week 22 in T2 increased in birds received FS. Overall, the results indicated that feeding 7.5% of FS to pullets may produce more eggs than other treatments.
  J. Arshami , S. Hosseini and M.E. Torshizi
  A total of 400 pieces of day-old male broiler chicks were distributed into 9 treatments and one control diet with 4 replicates using a CRD design (3x3 factorial). Chicks for 42 days received graded levels of Cu (35, 70, 105 mg kg-1 diet) and Zn (40, 80, 120 mg kg-1 diet) in their diets (free of Cu and Zn mineral premix) to determine the antibody titer of SRBC and the weights of lymphoid organs (BW%) including: Thymus (TW), Bursa (BW), Spleen (SW) and Liver (LW). On days 28 and 35, two birds from each pen received SRBC (1 mL, 10%) injections and were bled 7 days after each inoculation to evaluate the primary and secondary responses for Total Immunoglobulin (TIg), Immunoglobulin M (IgM) and Immunoglobulin Y (IgY). On day 42, two birds from each pen were slaughtered to weigh the lymphoid organs. Since analysis of data showed no significant interaction between graded Cu and zinc, only the main effect of means were considered. The graded Cu increased titers of TIg and IgY linearly but reduced IgM titer quadratically in primary response. In secondary response, the titers of TIg and IgM decreased, but IgY increased quadratically. The graded Zn increased TIg and decreased IgM titers quadratically but the titer of IgY increased linearly in primary response. In secondary response, the graded Zn increased IgM titer but decreased TIg and IgY titers quadratically. The graded Cu enhanced TW and SW linearly but BW and LW (p<0.05) quadratically. The graded Zn increased TW and decreased BW linearly but decreased SW and LW quadratically. Overall results indicated that adding Cu at 70-105 ppm and Zn at 80-120 ppm improved SRBC titers and weights of lymphoid organs. In conclusion, adding Cu and Zn at recommended levels can be useful as immunomodulators in broiler chicks.
  S. Hosseini , J. Arshami and M.E. Torshizi
  A total of 400 pieces of 1 day old male broiler chicks were distributed into 9 treatments and 1 control diet with 4 replicates using a CRD design (3x3 factorial). Chicks for 42 days received graded levels of Cu (35, 70, 105 mg kg-1 diet) and Zn (40, 80, 120 mg kg-1 diet) in their diets (free of Cu and Zn mineral premix) to determine the antibody titer of SRBC and the weights of lymphoid organs (%BW) including: Thymus (TW), Bursa (BW), Spleen (SW) and Liver (LW). On days 28 and 35, two birds from each pen received SRBC (1 mL, 10%) injections and were bled 7 days after each inoculation to evaluate the primary and secondary responses for Total Immunoglobulin (TIg), Immunoglobulin M (IgM) and Immunoglobulin Y (IgY). On day 42, two birds from each pen were slaughtered to weigh the lymphoid organs. Since analysis of data showed no significant interaction between graded Cu and zinc, only the main effect of means were considered. The graded Cu increased titers of TIg and IgY linearly but reduced IgM titer quadratically in primary response. In secondary response, the titers of TIg and IgM decreased but IgY increased quadratically. The graded Zn increased TIg and decreased IgM titers quadratically but the titer of IgY increased linearly in primary response. In secondary response, the graded Zn increased IgM titer but decreased TIg and IgY titers quadratically. The graded Cu enhanced TW and SW linearly but BW and LW (p<0.05) quadratically. The graded Zn increased TW and decreased BW linearly but decreased SW and LW quadratically. Overall results indicated that adding Cu at 70-105 ppm and Zn at 80-120 ppm improved SRBC titers and weights of lymphoid organs. In conclusion, adding Cu and Zn at recommended levels may be useful as immunomodulators in broiler chicks.
 
 
 
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