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Articles by M. Chaji
Total Records ( 16 ) for M. Chaji
  E. Rahmatnejad , M. Bojarpour , KH. Mirzadeh , M. Chaji and T. Mohammadabadi
  This study was designed to evaluate the effect of Dried Tomato Pomace (DTP) on hematological indices of broiler chickens. Based a randomized completely design, 160 days old Ross 308 broilers were distributed into 16 floor pens and reared for 42 days. A basal diet was formulated according to NRC recommendations for starter (0-21 days) and grower (22-42 days) periods. The basal diet was also supplemented with 8, 16 and 24% dried tomato pomace, resulting 4 dietary treatments were prepared including control group. Each dietary treatment was fed ad-libitum to 4 replicates group of 10 birds at the beginning of rearing period. Inclusion of 24% DTP into the diet significantly decreased concentration of total protein, cholesterol and Low Density Lipoprotein (LDL) in serum (p<0.05). The highest High Density Lipoprotein (HDL) were recorded for birds fed diets supplemented with 16 and 24% DTP (p<0.05).
  M. Eslami , M. Baghaei , M. Mamouei , M. Chaji and A. Ashayerizadeh
  This experiment was conducted for comparison the effect of some feed growth promoter additives on serum lipid concentrations of 21 days old broiler chickens. Based a randomized completely design, 300 days old Ross 308 broilers were distributed into 20 floor pens and reared for 21 days. A basal diet was formulated according to NRC recommendations for starter (1-21 days) period. The basal diet was also supplemented with antibiotic (Avilamycin), a commercial composition (FormycinGold), herbal additive (FYTO-MIX) and mixture of FormycinGold plus FYTO-MIX, resulting 5 dietary treatments were prepared including control group. Each dietary treatment was fed ad-libitum to 4 replicates group of 15 birds at the beginning of rearing period. Serum cholesterol and Low Density Lipoprotein (LDL) levels of broiler were fed FYTO-MIX and FormycinGold plus FYTO-MIX was significantly lower than control group (p<0.05). The higher High Density Lipoprotein (HDL) concentration was recorded for birds fed diet supplemented with FormycinGold, FYTO-MIX and FormycinGold plus FYTO-MIX. None of the treatments had significant effect on triglycerides and Very Low Density Lipoprotein (VLDL) levels.
  S. Tabatabaei , M. Chaji and T. Mohammadabadi
  The goal of present study was to evaluate the effect of Indigenous broiler breeder rooster age on some of the semen quality parameters. For this research, 15 Indigenous broiler breeder Roosters were classified in three treatment groups according their ages: 26, 34 and 45 weeks and evaluation of semen repeated 4 times for each group. Semen was collected from all roosters by abdominal massage method. After dilution, semen samples were examined microscopically for quality parameters (concentration, motility, viability and morphological defect rates of spermatozoa). The difference of spermatozoa concentration between 26 and 34 weeks roosters was not significant; but sperm concentration reduced significantly in 45 weeks roosters. Sperm motility and viability rates reduced significantly with ageing of roosters. Morphological defect rates of spermatozoa. Morphological defect rates of spermatozoa increased significantly with ageing of roosters. Among observed morphological defects, Larger head, smaller head and 180° bent head, increased significantly with ageing of roosters. While, tail knotting and 180° bent tail decreased significantly with ageing of roosters. The differences of other defects between groups were not significant. It is concluded that concentration, motility and viability rates of spermatozoa in indigenous broiler breeder roosters reduced with increasing the age from 26-45 weeks. While in this period, morphological defect rates of spermatozoa increased. Therefore, present study confirmed that semen quality reduced with ageing of indigenous broiler breeder roosters.
  T. Mohammadabadi , M. Chaji and S. Tabatabaei
  The aim of this study was to investigate the effect Tannic Acid (TA, 20 and 30 g kg-1 DM) on in vitro gas production and rumen fermentation of low and high fat sunflower meal (25 and 165 g kg-1 DM, respectively). Kinetics of gas production was fitted to an exponential model. The results showed that tannic acid caused to reduce the fermentable fraction (b) and gas production rate constant for the insoluble fraction (c) (p<0.05) and the lowest (b) and (c) was for low fat Sunflower Meal (SML) treated by 30 g kg-1 DM TA (102.5 and 0.01 mL h-1, respectively). The Organic Matter Digestibility (OMD) and Metabolizable Energy (ME) were decreased by TA treatments. Untreated SML had the highest ME and OMD (29.4 MJ kg-1 DM, 185.6 g kg-1 OM, respectively).The ammonia-N (NH3-N) concentrations and Short Chain Fatty Acid (SCFA) decreased (p<0.05) when SM treated with TA. Content of NH3-N was lowest for SML treated 30 g kg-1 DM TA (12.3 mg dL-1). Untreated sunflower meal had the lowest SCFA concentration and the highest Microbial Biomass (MB). The results showed, it may be that in vitro fermentation, gas production parameters and nutritive value of sunflower meal are influenced by tannic acid content.
  L. Ghaemnia , M. Bojarpour , Kh. Mirzadeh , M. Chaji and M. Eslami
  In this study effect of different levels of zeolite on digestibility and some blood parameters in Arabic lambs investigated. In this experiment a change-over design with eigth Arabic lambs with an average live weight of 35±2 selected. Foure rations and foure period was employed. The 4 treatments were: control groups, C+ 3%, C+ 6% and C+ 9% zeolite. The rations were fed to lambs as total mixed feed offered and orts and fecal samples were recorded daily. Blood samples were collected on the end of each period. Plasma glucose concentration was not significantly affected by treatment but tended to be lower with added zeolite. Conversely, the dietary inclusion of resulted in a lower plasma urea-N concentration (p<0.05). Intake of DM was higher for lambs receiving zeolites (p>0.05). Digestibility of DM was lowered with added zeolite (p<0.05). Digestibility of CP and NDF were increased by inclusion of 6% zeolite. This difference was significant (p<0.05) but digestibility of ADF was not significantly affected (p>0.05).
  M. Chaji , T. Mohammadabadi , M. Mamouei and S. Tabatabaei
  This trial was conducted to determine the effect of high steam (180-210 °C, 3 min) and sodium Hydroxide (NaOH) on fermentative activity and nutritive value of sugarcane pith by in vitro gas production. Experimental samples were including; untreated sugarcane pith, treated with high steam, treated with 50 g kg -1 DM NaOH and treated with steam + NaOH. The results showed sugarcane pith treated with steam + NaOH have the highest potential gas production (B) (143.5 mL). High steam and NaOH caused to increase in vitro cell wall degradation, Organic Matter Digestibility (OMD), Metabolisable Energy (ME) and Short Chain Fatty Acid (SCFA) of sugarcane pith and the highest was for sugarcane pith treated with steam+NaOH (87%, 703.26 g kg -1 OM, 10.03 MJ kg -1 DM and 0.96 μmol L -1, respectively). Therefore, it appears that the degradability and nutritive value of sugarcane pith are influenced by high steam and NaOH.
  A. Masoudi , M. Bojarpour , M. Chaji , M. Eslami and Kh. Mirzadeh
  Study was conducted to evaluate the economic value of broiler chicken diets containing Date Pits (DP) replaced by maize. About 180 days old commercial broiler chickens randomly were assigned to four experimental diets; treatments 1-4 included dietary containing 0, 10, 20 and 30% of date pits, respectively. All diets were isonitrogenous and isocaloric and formulated according to Nutrient Requirements of poultry (NRC). The results showed that in compared with control group cost (kg) of feed decreased with increasing of date pits in diets. At whole of starter and grower periods, there were no significant differences (p>0.05) in feed intake. Feed conversion ratio of diets containing 20 and 30% of date pits was significantly more than control diet (respectively, 2.44 and 2.53 vs. 1.91) (p<0.05) but there was no significant difference with diet containing 10% date pits (p>0.05). As cost (kg) of meat production there was no significant difference (p>0.05) between diets, although the cost of meat production was higher in diets containing of date pits (p>0.05). Therefore, date pits reduce the cost of diets but not meat.
  Kh. Mirzadeh , A. Masoudi , M. Chaji and M. Bojarpour
  This study was conducted to evaluate the quality of raw milk produced by the 140 dairy cow farms at different locations of Lordegan region. Solid Non Fat (SNF), Crud Protein (CP), fat, density, Dry Matter (DM), water and freezing point of samples were measured. The result showed that milk compositions of dairy farms were containing 87.42±1.13% water, 8.67±0.69% SNF and 12.57±0.69% total solid matters. Solid matters were including: 3.90±0.97% fat, 3.2±0.22% protein and 5.03% lactose and other minerals and vitamins. The data demonstrate that milk composition of Lordegan dairy farms had corresponded to global and Iran average.
  A. Aghaei , S. Tabatabaei , M. Chaji and M. Nazari
  This study was conducted to evaluate the effects of adding levels of dried whey powder and probiotic to practical-type diets on the performance and Intestinal micro organism of laying hen’s. Dried whey was used in isocaloric and isonitrogenous diets at levels of 0, 2.5, 5 and 7.5% with two Level of probiotic (0 and 1000 g-1 Bioplus 2B ton-1 feed providing 0 and 3.2x106 cfu g-1 Feed concentration). About 72 white leghorn Hy-Line, w-36 strain used in experiment. Adding dried whey powder and probiotic to the diets caused highly significant increase (p<0.05) in egg production and lactobacillus in ileum but significant decrease (p<0.05) coliform in ileum. Using dried whey and probiobic improve egg weight, egg mass, shell thickness, shell hardness and Haugh unit but not significant (p>0.05). Level of 5% dried whey had significant decrease feed conversion (p<0.05). Other traits did not show significant different by using dried whey and probiotic.
  M. Chaji , T. Mohammadabadi and A. Aghaei
  The aim of this study was to evaluate rumen bacteria activity on degradation of untreated Rice Straw (RS) and treated with low temperature steam, sodium Hydroxide (NaOH) and exogenous enzyme using disappearance of Dry Matter (DM) and Neutral Detergent Fiber (NDF) in rumen bacteria culture for 96 h incubation. Treatments were including; untreated RS, RS treated with low temperature steam (120°C for 120 min), RS treated with 80 g kg-1 DM NaOH, RS treated with 20 g kg-1 DM exogenous enzyme and RS treated with enzyme+NaOH. The result showed disappearance of dry matter after 96 h incubation by rumen bacteria was 60.3, 75.2, 85.3, 81.3 and 96.2 g/100 g for untreated rice straw and treated with steam, NaOH, enzyme and enzyme+NaOH, respectively. Sodium hydroxide, enzyme and steam caused to increase disappearance NDF of rice straw in media culture in compared with the other samples, 96 h after culturing and the highest increase of NDF disappearance was for rice straw treated with enzyme+NaOH (345.3 mg g-1) (p<0.05). Therefore, it may be resulted that low temperature steam, exogenous enzyme and NaOH influence the growth and activity of rumen bacteria on rice straw in compared to untreated RS.
  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).
  M. Borazjanizadeh , M. Eslami , M. Bojarpour , M. Chaji and J. Fayazi
  This study was conducted to evaluate economic value of clove and oregano cultivated in Iran on economic value of broiler chickens diets. About 271 day old Ross strain broiler chickens were allocated to 9 experimental diets with 3 replications in a 3x3 factorial experiment. Treatments were 0, 0.5 and 1% of clove and oregano (AH) that used as top-dress. A basal diet was formulated according to NRC recommendation for grower (14-21 days) and finisher (21-42) periods. The results showed that clove and oregano had significant effects on feed intake, feed conversion ratio and the cost of 1 kg feed and cost of 1 kg meat production (p<0.05).
  M. Baghaei , M. Eslami , M. Chaji , M. Mamoue and M. Bojarpour
  This experiment was conducted to evaluation the effect of dietary Betafin (Betaine anhydrous 97%) supplementation as a replacement for DL-Methionine on blood parameters of 42 days old broiler chickens. Total 300 days old Ross 308 broilers were used in a completely randomized design with 4 treatment and 5 replicates in each treatment and 15 birds/replicates and reared on the floor pens for 42 days. A basal diet was formulated as control according to NRC recommendations for starter (1-21 days) and grower (22-42 days) periods. In experimental diets, DL-Methionine levels were formulated either according to NRC (control (T1)) or at 90 (T2), 80 (T3) and 70% (T4) of the control. The incompletes levels of the Methionine in T2-T4 supplemented by adding Betafin to the diets. The results indicated that by replacement of Betafin instead of DL-Methionine in diets of broiler blood parameters was not altered significantly. Although, in birds fed T4, the concentration of the all measured blood parameters except HDL was the maximum or minimum when compared to other groups.
  M. Danesh Mesgaran , T. Mohammadabadi , M. Chaji and M.R. Ghorbani
  This experiment was conducted to evaluate the effect of exogenous enzyme (3 g kg-1 DM), formaldehyde (30 and 60 g kg-1 DM) and or sodium hydroxide (40 g kg-1 DM) on in vitro gas production parameters of sunflower meals (25 and 165 g fat kg-1 DM) were with gas production technique and using fistulated sheep rumen fluid. Kinetics of gas production was fitted to an exponential model. Sodium hydroxide and enzyme treatments significantly increased gas production (B), Metabolizable Energy (ME), Organic Matter Digestibility (OMD), Net Energy Lactation (NEL), ammonia-N (NH3-N) and Short Chain Fatty Acid (SCFA) but formaldehyde decreased them. The lowest of gas production was estimated for low fat sunflower meal treated with 60 g formaldehyde/kg DM (75.9 mL/500 mg DM). There was significant difference among samples for gas production rate Constant (C). Sodium hydroxide treated high fat sunflower meal had the highest of ME, OMD, NEL and SCFA (35.8 MJ kg-1 DM, 207.5 g kg-1 OM, 2.42 Mcal kg-1 DM and 1.53 μmol L-1, respectively). Ammonia-N concentration of high fat sunflower meal were the highest (40.9 mg/100 mL). The values of B, ME, OMD, NEL, NH3-N and SCFA for low fat sunflower meal was less than high fat sunflower meal. The results showed, it may be that gas production parameters of low fat and high fat sunflower meal are influenced by exogenous enzyme, formaldehyde and NaOH.
  H.A. Tavasoli , M. Eslami , M. Mamouei , M. Chaji and M. Bojarpour
  This experiment was conducted to evaluation the effect of different levels of brown seaweed (Ascophyllum nodosum) or Tasco on carcass characteristics of Arabic lambs in Khuzestan, Iran. This research was conducted as completely randomized design with 3 treatments, 3 replicates and 3 lambs in each replicates. The dietary treatments were formulated according to NRC and containing: control 0, 1 and 2% Tasco. The basic diet includes 16.5% crud protein and 76.6% TDN and Tasco was added top-dress to basic diet. The period of experiment was 10 weeks; Twenty-seven male Arabic lambs (3 months old and 16.09±0.33 kg body weight) were assigned ad libitum to experimental diets. Supplementation of diets with Tasco resulted in decrease of tail-fat percentage (23%) and increased percentage of thigh (12.3%) than control (p<0.05) but adding Tasco had no significant effect on other parameters of carcass characteristics (p>0.05). Also, lambs fed diet contain 2% Tasco in comparison to control, had higher Hot Carcass Weight (HCW) (18.62 vs. 18.47 kg, respectively), Cold Carcass Weight (CCW) (18.20 vs. 17.83 kg, respectively) and Eye Muscle Area (EMA) (19.37 vs. 16.83 cm2, respectively). Meanwhile, supplementation of Tasco in diets decreased abdominal fat weight than those fed no seaweed (0.420, 0.300 and 0.250, respectively).
  T. Mohammadabadi , M. Chaji , M. Eslami and M. Bojarpour
  This study was conducted to evaluate the effect of oak leave tannin (OT, 25 and 45 g kg-1 DM) on in vitro gas production and fermentative parameters of Soybean Meal (SB). Treatments were SB treated with 25 and 45 g kg-1 oak leave tannin (OT1 and OT2, respectively). The results of experiment showed that oak leave caused to reduce the fermentable fraction (b) and gas production rate Constant (c) of SB (p<0.05) and the lowest (b) and (c) was for SB treated by 45 g kg-1 oak leave tannin (104.5 mL, 0.04 mL h-1, respectively). Soybean meal treated with OT2 had the lowest the Organic Matter Digestibility (OMD) and Metabolizable Energy (ME) (153.3 g kg-1 OM, 13.6 MJ kg-1 DM, respectively). Concentration of ammonia-N (NH3-N) and Short Chain Fatty Acid (SCFA) decreased (p<0.05), when SB treated with OT and the highest NH3-N and SCFA concentrations was for untreated soybean meal (36.6 mg dL-1 and 0.88 μmol). Therefore, it may be that in vitro rumen fermentation and nutritive value of soybean meal are influenced by tannin content of oak leave.
 
 
 
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