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Articles by Y. Ebrahimnezhad
Total Records ( 5 ) for Y. Ebrahimnezhad
  S.R. Riyazi , Y. Ebrahimnezhad , K. Nazeradl , N. Maheri-Sis , R. Salamatdust and T. Vahdatpour
  One hundred and forty four of Hy-line (W-36) laying hens from the age of 44 to 56 weeks were used to evaluate the effects of replacing different levels of rapeseed meal with soybean meal on egg quality characteristics of commercial laying hens. The rapeseed meal was replaced with soybean meal at the levels of 0 (control), 5, 10 and 15% for 12 weeks. Hens were distributed in multi-observational completely randomized block design with 4 treatments, three replicates and 12 hens in each replicate. The parameters used to assess were haugh unit, shell thickness, shell weight, shell strength and yolk index. Results showed that addition of 10% rapeseed meal in diets increased (p<0.05) eggshell weight. With increasing of rapeseed meal level in diets, yolk index had showed decline (p<0.05). No specific trend was observed on the effect of rapeseed meal on haugh unit, shell thickness and shell strength, however these parameters were higher in groups that fed 10% rapeseed meal. We did not observe any health problems of the hens during the experiment.
  T. Tanha , H. Amanlou , M. Chamani , Y. Ebrahimnezhad , R. Salamatdost , N. Maheri and M. Fathi
  The objective of this study was to investigate whether consuming of protected glutamine before and after parturition would affect biomarkers of oxidative stress, dry matter intake and production performance. Thirty six pregnant Holstein dairy cows were assigned into four treatment groups based on their BCS, parity and expected calving date in a completely randomized design. Treatment groups consisted of glutamine supplementation Before and After Calving (BFAF), glutamine supplementation before calving and without glutamine after it (BFAN) without glutamine before and glutamine supplementation after calving and (BNAF) and without glutamine pre and postpartum (BNAN). There were not any significant differences and interaction among treatments in DMI but DMI on days 21 was affected by post partum glutamine feeding. Milk yield was not affected by treatments. The Total Antioxidant Status (TAS) influenced by postpartum glutamine feeding and was most for BFAF and BNAF. The Plasma Glutathione Activity (PGA) was affected by pre and postpartum treatments and the effect of post calving feeding was more clear and there was only an interaction effect on 7 days.
  Y. Ebrahimnezhad , R. Hajihosseini , K. Nazeradl , N. Maheri-Sis and J. Ghiasi Ghalehkandi
  This experiment was conducted to evaluate the effects of mineral premix removal from diet during different period (starter, 1-21 d; grower, 22-42 d and finisher, 43-49 d) on the performance of broilers. From the days of old, chicks a diet containing two levels of supplementary minerals premix (0 and 0.25%) received. The results showed that, between experimental groups in terms of feed intake during various periods were not differences. In the starter and grower periods weight gain among all treatments were not significantly, but during finisher period of experimental weight gain of remove mineral premix of starter and grower periods and remove mineral premix of all rearing periods treatments were significantly lower than other treatments (p<0.01). Remove mineral premix during starter and grower periods significantly increased feed conversion ratio among treatments (p<0.05) and in the finisher period was significant (p<0.01). Remove mineral premix during different growth on carcass, abdominal fat, liver, breast, leg and tibia bone ash were not significant. Removal mineral premix on leg bone density (p<0.05) and bone strength (p<0.01) were different.
  Y. Ebrahimnezhad , M.H. Tajaddini , A.R. Ahmadzadeh and H. Aghdam Shahriar
  This experiment was carried out to compare and evaluate three commercial soybean meal samples (Iranian, Argentinean and Brazilian) and their effects on Body Weight Gain (BWG), Feed Intake (FI), Feed Conversion Ratio (FCR) and visceral organs weight (carcass, liver, pancreas, spleen and heart as percentage of live body weight) of Japanese quails (Coturnix coturnix japonica). A completely randomized design was used with three treatments and four replicates and in each, 20 parts were designed. Test treatments include: 1) basal diet + Iranian soybean meal, 2) basal diet + Argentinean soybean meal, 3) basal diet + Brazilian soybean meal. Raising duration was 42 days. Urease test was done on three soybean meal samples before test while results were negative. Also, results of using three commercial soybean samples showed no effect on body weight gain, feed intake, feed conversion ratio, carcass, heart, liver and spleen weight in Japanese ones but results revealed that soybean samples have had significant effect on pancreas weight.
  T. Tanha , H. Amanlou , M. Chamani , Y. Ebrahimnezhad , R. Salamatdost , N. Maheri , M. Fathi and M. Abozar
  The objective of this study was to investigate whether consuming of Protected Glutamine (PG) before parturition in close up period would affect biomarkers of oxidative stress, immune system and Haptoglobin (HP) and Serum Amyloid A (SAA). About 36 pregnant Holstein dairy cows were assigned into two treatment groups based on their BCS and expected calving date in at student examination. Treatment groups consisted of glutamine supplementation 100 g day-1 per cow before calving (F), glutamine did not supplementation before calving (N). There were not any significantdifferences among treatments in DMI and BCS on 21, 14 and 7 days before parturation. There were not significant differences in the Total Antioxidant Status (TAS), Haptoglobin (HP), Serum Amyloid A (SAA), No Esterified Fatty Acids (NEFA) and blood and immune cells. The plasma Glutathione Peroxidase activity (GPX) was significant difference between two group and it seems that supplementation diets with glutamine on the close up period can enhanceplasma Glutathione Peroxidase activity (GPX).
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