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Articles by M.A. Soltan
Total Records ( 8 ) for M.A. Soltan
  M.A. Soltan
  The present study was carried out to determine the effect of dietary organic acid mixture supplementation on performance (body weight changes, feed intake, feed efficiency, egg production) egg quality and concentration of some blood serum parameters in laying hens. A total 53 week old 44000 white Lohmann LSL laying hens which were allotted into 4 groups, each containing 11000 hens. The hens were fed with diets (17% CP% and 2795 Kcal Kg-1 ME). Supplemented with 0% (control group No. 1), 260 ppm (group, 2), 520 ppm (group 3) and 780 ppm (group, 4) of organic acid mixture (formic acid and salt of butyric, propionic and lactic acids). The dietary organic acids significantly modify live body weight in groups 2 and 3 and non significantly improved in group 4 when compared with control one. Organic acids supplementation at 780 ppm (group 4) significantly increased egg production by about 5.77% compared with the untreated group, while the lower levels (groups 2 and 3) showed non significant effect. On the other hand dietary organic acid had no effect on the average egg weight, while showed a higher percentage of small, medium and X-large egg size and reduction in large egg size compared with control group. The results revealed that no effect of organic acid on feed intake but improvement egg mass and feed efficiencies was observed. Higher inclusion level of organic acids (780 ppm) improved egg shell quality and non significantly increased egg shell calcium and protein content, improved yolk index, while slightly reduce albumen index. The data revealed that linear increase of serum calcium and concentration of total serum protein. From the obtained data can be concluding that organic acid supplementation at level 780 ppm of laying hens diet improve live body weight, improve persistence of lay and from economical point of view we can concluded that organic acid addition (780 ppm) amazing increase the economical efficiency of layer production.
  M.A. Soltan , R.S. Shewita and M.I. El-Katcha
  The objective of the present study was to investigate the effect of dietary anise seeds supplementation on growth performance, immune response, some blood parameters and carcass traits of broiler chickens. Two hundred and seventeen Arbor Acre one day old broiler chicks were randomly allotted into 7 groups (31 per each) of mixed sex. Anise seed was supplemented to the basal diet at 0.0 (control), 0.25, 0.5, 0.75, 1.0, 1.25 and 1.5 g/kg diet (groups 2-7), respectively and the trail was lasted for 6 weeks. The analysis of variance of the data indicated that anise supplementation at 0.5 and 0.75 g/kg of diet (groups 3 and 4) significantly (p < 0.05) improved body weight gain, performance index and relative growth rate of broiler chicken, while had no significant effect on feed intake and feed conversion ratio when compared with the control. Moreover the highest inclusion level of anise (1.5 g/kg diet) of broiler chicken diet (group 7) reduced growth performance. On the other hand anise supplementation at 0.5 g/kg (group 3) of broiler diet improve blood picture (RBCs counts, WBCs count, HB and PCV%) clearly than other anise supplementation levels and significantly (p < 0.05) increased lymphocytes when compared with the control, while anise supplementation in broiler chickens diets increased serum albumin, decreased globulin concentration, increased albumin/globulin ratio, non significantly reduced serum GOT and the lower levels of anise (groups 2 and 3) reduced serum concentration of GPT, glucose, cholesterol while had no effect of serum phospholipids and uric acids concentrations when compared with the control. Anise supplementation had non significant effect on HI antibody titer to Newcastle disease vaccine, dressing percent and the anise level at 0.5 g/kg (group 3) non significantly increased thymus gland weight relative to the body weight and had no effect on both bursa and spleen index while the higher level (group, 7) had negative effect on spleen, bursa and thymus gland weight percent, that indicate anise at 0.5 g/kg supplementation had stimulatory immune effect, my provide hepatoprotective effect and improve the economical efficiency of production while, the higher level may be had negative effect.
  M.A. Soltan
  The objective of this experiment was to evaluate the influence of glutamine (Gln) supplementation in the diet of broiler chickens on the growth performance, immune response as well as some blood parameters. Two hundred fifty one day old broiler chickens were allotted into five equal groups (50 chicks per each) of mixed sex. Five experimental diets were formulated to be isonitrogenous and isocaloric with different levels of Gln, first group fed on basal diets without Gln supplementation (control group), while Gln included at 0.5, 1.0, 1.5 and 2.0% and fed to chick groups (2-5) respectively for continuous 6 weeks. The results revealed that 1% Gln supplementation significantly (p < 0.05) improved body weight. Weight gain, Feed Conversion Ratio (FCR), Protein Efficiency Ratio (PER) and Efficiency of Energy Utilization (EEU) when compared with the control, while 0.5% Gln supplementation non significantly (p>0.05) improved broiler chick performance and the higher inclusion levels had negative effect on broiler growth performance. Moreover, 1% Gln supplementation significantly (p < 0.05) improved blood pictures, phagocytic activity, antibody production and increase immune organs relative weights, while the lower and higher Gln level had no effect. Chicks fed diet with Gln supplementation at different levels had heavier intestinal relative weights and longer intestinal villi (p < 0.05) as compared with the control. The results indicate that the addition of 1 % Gln to the broiler chick's diet improves growth performance and may stimulate development of the gastrointestinal tract and immune response, while higher level had negative effects.
  M.A. Soltan
  The efficacy of replacing Fish Meal (FM) with Poultry By-product Meal (PBM) in Nile tilapia diets on an ideal protein basis with different grain sources and enzyme supplementation was evaluated under condition of cement pond culture. An experimental diet was formulated contain 30% crude protein, 5% ether extract and 3355 Kcal ME/Kg. Four other diets were formulated to be isonitrogenous and isocaloric as the basal diet No. 1, in which FM protein was substituted completely by PBM protein (Basal diet No. 2), while diet No. 3, 4 and 5 sorghum grain replaced 100% of wheat grain (w/w) or 100% of corn grain or 50% of both wheat and corn for the three diets respectively. The fish experimental diets were fed to the fish without or with enzyme supplementation. Statistical analysis of data revealed that inclusion of PBM instead of FM with wheat or sorghum grain plus corn (group 2 and 3) in Nile tilapia diet had no significant (p>0.05) effect on Body Weight (BW), Daily Body Gain (DBG), Daily Feed Intake (DFI), Feed Conversion Ratio (FCR), Protein Efficiency Ratio (PER) and Efficiency of Energy Utilization (EEU) when compared with the control. While corn replacement by sorghum (group 4) or 50% of both corn and wheat by sorghum (group 5) had no effect on DFI, but significantly (p<0.05) reduced BW, DBG, FCR, PER and EEU when compared with fish group fed on PBM with corn and wheat (group 2). On the other hand nutrient digestibilities were improved with PBM inclusion in Nile tilapia diet. At the end of the experimental period the dressing percent, head weight percent, visceral fat percent and hepatosomatic index were not significantly (p>0.05) affected when FM replaced by PBM with different grain sources. Carcass chemical composition data indicated that there is no significant effect of different experimental diets on fish body dry matter, organic matter, crude protein and carbohydrate and phosphorus contents. PBM as FM alternatives has a high potential as feed ingredients replacing FM. Nutrients balances and fecal recovery data showed that PBM with corn + wheat or corn + sorghum results in good fish performance for a similar replacement of FM on protein percent basis. However, they result as well in slightly higher waste loads, in particular of N and C to the system. Sorghum grain as alternative to corn (weight/weight) results in lower fish production and higher nutrient fecal and non fecal losses and prefer to rejected because it has a negative impact on the system. Moreover, enzyme supplementation highly improved the fish performance, nutrient digestibility, carcass traits and fecal recovery and reduces the excessive losses of the nutrient to the environment.
  M.A. Soltan
  One hundred Holstein male calves were assigned to investigate the effect of essential oil mixture (eucalyptus oil, menthol crystal, mint oil) supplementation in milk replacer (0, 94, 187 and 281 mg/calf/day) during the 8 weeks (pre-weaning period) and in drinking water (0, 15.6, 31.2 and 46.8 mg/liter) for the next 16 weeks (post-weaning period) on growth performance, nutrient digestibility, health condition as well as on some blood serum parameters. Calves receiving 94, 187 and 271 mg EOM/calf/day during pre-weaning period had lower (p>0.05) concentrate intake across the whole period by about 6.1, 6.1 and 1.2% respectively when compared with control but had no effect on roughage intake while reduced the total dry matter intake across the whole pre-weaning period by about 3.6, 3 and 1.2% respectively although, EOM had no effect on body gain and improved feed conversion ratio. EOM improve nutrient digestibility and increase total protein and albumin concentrations in the blood serum. Moreover, EOM treatment reduced the incidence of diarrhea, reduces the average number of diarrheic days and improves the general health score compared with the control. Although there were bad effects of the higher doses of EOM supplementation on health, it can be concluded that the supply of EOM reduced the necessity of antibiotics treatments against digestive and respiratory diseases. On the other hand, during post-weaning period it was clear from this study that calves administrated 15.6 mg of EOM/liter of drinking water may increase daily body gain, reduced feed intake and improved FCR by about 3.8, 3.2 and 8.15% respectively when compared with control while, the higher dose of EOM administration less effective and uneconomical to be used.
  M.A. Soltan
  One hundred lactating Holstein dairy cows were cows were assigned to investigate the effect of untreated Soybean Meal (SBM) by different treated SBM products; heat+ soy hulls addition (HS), extrusion treatment (EP), addition of tannin plant extract and essential oil (PA) or addition of tannin plant + pelleting (HPA) on rumen fermentation, milk production and composition of dairy cows from 17th-25th after calving. Basal experimental diet was formulated (containing untreated SBM) and used as control, SBM was replaced by four treated SBM products and fed to the five groups (20 cows per each). Solvent extracted untreated SBM exhibited greater effective degradability of CP and AA when compared with treated SBM products (HS, EP, PA or HPA). This was due to a greater fraction of soluble protein. Moreover, treated SBM products (HS, EP, PA and HPA) contained relatively low concentrations of lysine, arginine, histidine, alanine, praline, serine, aspartic acid and glutamic acid in different levels compared with SE product which suggesting binding and cross linking reactions involving these AA as a result of the treatment methods. Treated SBM feeding instead of untreated one had no effect (p>0.05) on dry matter intake while, improved milk production and milk-to-feed ratio across the whole experimental periods by about (2.2, 1.9, 3.2 and 4.4%) and by (2.5, 1.9, 3.8 and 4.4%) respectively. Moreover, treated SBM reduced (p<0.05) the concentrations of ruminal NH3-N by about 8.5, 7.8, 13.2 and 13.2% respectively, while had no effect (p>0.05) on total VFA, acetate, butyrate concentrations and slightly decreased propionate in the rumen when compared with cows fed on untreated SBM containing diet. Regarding blood serum units treated SBM had no effect (p>0.05) on blood serum glucose concentration, however cows fed on diets containing EP, PA and HPA treated SBM instead of untreated SBM showed a reduction (p<0.05) in blood urea N by about 4.9, 6 and 7.7% respectively, on the other hand HS treated SBM leading to non significant (p>0.05) reduction in blood urea N by about 3.8%. Treated SBM products increased milk fat percentage, fat yield and protein yield and had no effect on milk lactose percentage and the present study suggested that HS and EP treatment methods of SBM is less effective and the cow performance lesser respond than PA or HPA methods which depend on tanninferous plant species that protect protein from degradation in the rumen due to presence of small amounts of condensed tannin in the plant species and may be more available and digestible in the intestine more than the previous processing.
  M.A. Soltan , A.M. Mujalli , M.A. Mandour and M. El-Shinway Abeer
  Sixty early lactating Holstein dairy cows were fed for 12 weeks on berseem hay and cereal grains based total mixed ration formulated with the MET content limited (40 g/day) to investigate the effect of supplementing rumen protected methionine (15 g/day) and/or choline (30 g/day) on rumen fermentation characteristics, productive performance and some blood serum parameters. Cows were allotted into four groups and fed on the basal diet without supplementation, supplemented by 15 g/day of RP-MET, 30 g of RP-CHOL or 15 g MET + 30 CHOL respectively. Average body weight was not significantly different among treatment, but cows fed on basal diet supplemented by both RP-MET and RP-CHOL was mobilizing less body tissue in the post-partum period. RP-MET improved (p<0.05) DMI by 0.7% when compared with MET limited group, while RP-CHOL significantly improved DMI by 8.4% throughout the whole experimental period when compared with the control group cows. There was an improvement of milk production with RP-MET supplementation by 2.5% across the whole experimental period when compared with MET limited group, while RP-CHOL improved milk production by 5.9 and 3.3% when compared with cows fed on the control basal diet and both MET and CHOL treated diets, respectively. Milk protein yield tended to increase with RP-MET and RP-CHOL supplementation by 5.3 and 7.4% when compared with cows fed on the basal diet without supplement. Both RP-MET and RP-CHOL improved ECM and milk-to-feed ratio but had no significant effect on rumen fermentation characteristics. Rumen protected MET induced no significant effect on blood serum glucose, triglyceride, NEFA and blood urea concentration while reduced (p<0.05) blood serum cholesterol when compared with MET limited group. Moreover, RP-CHOL significantly increased blood serum glucose and cholesterol concentration and reduced triglyceride, NEFA and urea concentrations. It could be concluded that Dietary RP-CHOL (30 g/day) to early lactating dairy cows that received a MET limited diet improved DMI, milk yield and increased milk protein yield. In conclusion, supplementing RP-MET (15 g/day) or both RP-MET + RP-CHOL were not beneficial as RP-CHOL supplementation alone.
  M.A. Soltan , A.M. Almujalli , M.A. Mandour and M. El-Shinway Abeer
  Twenty four fattening dairy calves were assigned to investigate the effect of dietary Chromium (Cr) supplementation (0 or 3 mg Cr/head/day from organic preparation) on the growth performance and rumen fermentation characteristics as well as on some blood serum parameters under heat stress (35-40°C). Chromium supplementation significantly (p<0.05) increased total feed intake across the whole experimental period by about 10% when compared with the control. Moreover chromium supplementation improve body weight at the end of the experiment, weight gain and feed conversion ratio across the whole experiment by about 7.5%, 13% and 2.7% respectively when compared with the control. Serum insulin concentration increased whereas cortisol concentration decreased, when compared with the control group. Also Cr supplementation showed a trend towards improving rumen fermentation characteristics. It could be concluded that dietary Cr supplementation at level of 6 mg/head/day may offer a potential protective management practice to lessen the effect of heat stress in fattening dairy calves.
 
 
 
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