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Articles by M. Mamoei
Total Records ( 3 ) for M. Mamoei
  M. Shakeri , H. Roshanfekr , M. Mamoei and Kh. Mirzadeh
  The present research studied the effect of the interval between animal`s death and sperm recovery (0, 24 or 48h) on the quality and freezability of ram spermatozoa from cauda epididymidis. Storage temperature of epididymes (room temperature or 5°C) was also analyzed. Spermatozoa were diluted with Tes-Tris-Fructose solution supplemented with egg yolk (10%) and glycerol (4%) and frozen using a programmable bio-freezer (-20°C min-1). Pre-freeze and post-thaw sperm samples showed viable spermatozoa up to 48h after the animal`s death, although their quality declined significantly as post-mortem storage time increased. Epididymes sperm stored at 5°C showed better motility and a lower percentage of abnormal forms than epididymes stored at room temperature after 24 and 48h. The fertilizing ability of cauda epididymis ram spermatozoa obtained at 0 and 24h after the animal`s death is similar to that of ejaculated spermatozoa. Therefore, a good protocol for post-mortem semen collection in rams when epididymal spermatozoa cannot be collected immediately is to preserve the epididymes at 5°C and process the samples in the first 24h after the animal`s death.
  Kh. Mirzadeh , S. Tabatabaei , M. Bojarpour and M. Mamoei
  The aim of this study was comparison of hematological parameters according strain, physiological status, age, season and sex in cattle. Blood samples from 300 Holstein, Brown-swiss, Semental, Brown-swiss x Semental crossbreed and Brown-swiss x Holstein crossbreed cattle at different physiological status (dairy cows, dried cows, non pregnant cows, pregnant heifers, suckling and non suckling calf), age (0.5-3, 3.5-6, 6.5-9, 9.5-18, 18.5-36, 36.5-60 and >60 months) sex (male and female) and season (spring, summer, autumn and winter) were used. RBC mass, WBC mass, Hemoglobin concentrations (HB), PCV, MCV, MCHC, MCH, platelet mass, percent and concentration of lymphocyte, neutrophil, eosinophil and monocyte were determined with routine methods. Except for PCV, neutrophil, lymphocyte, eosinophil percents and neutrophil-lymphocyte ratio, there was not significant differences for other hematological parameters between strains. Except for Platelet concentration, monocyte percent and count, the other hematological parameters were significantly differ between various physiological status and ages of cattle. Except for Hb, PL, WBC and monocyte concentration, the other hematological parameters were significantly differ between sexes. Except for neutrophil concentration, monocyte percent and concentration, the other hematological parameters were significantly differ between seasons.
  H. Damiri , M. Chaji , M. Bojarpour , M. Eslami and M. Mamoei
  This study was conducted to evaluate economic value of Sodium Bentonite (SB) originated from mines of Khorasan Province of Iran in broiler chickens diets. About 288 days old Ross strain broiler chickens were allocated to 6 experimental diets with 4 replications in a completely randomized design. Treatments were 0, 0.75, 1.5, 2.25, 3, 3.75% of sodium bentonite that used as top-dress. A basal diet was formulated according to NRC recommendations for starter (0-21 days) and grower (22-42 days) periods. The results showed that sodium bentonite had no significant effects on feed intake, feed conversion ratio, cost of 1 kg feed and cost of 1 kg meat production (p>0.05).
 
 
 
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