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Articles by H. Mansoori
Total Records ( 5 ) for H. Mansoori
  H. Mansoori , A. Aghazadeh and K. Nazeradl
  The objective of this study was to investigate the effects of dietary supplementation with sunflower oil seed (Raw-or Heat-treated) in two levels of 7.5 or 15% on unsaturated fatty acids in milk fat and performances of high-yielding lactating cows. Twenty early lactating Holstein cows were used in a complete randomized design. Treatments included: CON, control (without sunflower oil seed). LS-UT, 7.5% raw sunflower oil seed. LS-HT, 7.5% heat-treated sunflower oil seed. HS-UT, 15% raw sunflower oil seed. HS-HT, 15% heat-treated sunflower oil seed. Experimental period lasted for 4 weeks with first 2 weeks used for adaptation to the diets. Supplementation with 7.5% raw sunflower seed (LS-UT) tended to decrease milk yield with 28.37 kg day-1 compared with the control (34.75 kg day-1). Milk fat percentage was increased with the HS-UT treatment that obtained 3.71% compared with CON that was 3.39% and without significant different. Milk protein percent was decreased by high level sunflower oil seed treatments (15%) with 3.18% whereas CON treatment is caused 3.40% protein. The cows fed added Low Sunflower Heat-Treated (LS-HT) produced milk with the highest content of total unsaturated fatty acid with 32.59 g/100 g of milk fat compared with the HS-UT with 23.59 g/100 g of milk fat. Content of C18 unsaturated fatty acids in milk fat increased from 21.68 g/100 g of fat in the HS-UT to 22.50, 23.98, 27.39 and 30.30 g/100 g of fat from the cow fed HS-HT, CON, LS-UT and LS-HT treatments, respectively. C18:2 isomers of fatty acid in milk were greater by LS-HT supplementation with significant effect (p<0.05). Total of C18 unsaturated fatty acids content was significantly higher in milk of animal fed added low heat-treated sunflower (7.5%) than those fed with high sunflower. In all, results of this study showed that diet cow's supplementation with sunflower oil seed tended to reduce milk production of lactating cows but can improve C18 unsaturated fatty acid content in milk fat. About 7.5% level of sunflower oil seed that heated seemed to be the optimal source to increase UFA production.
  M.R. Dehghani , K. Rezayazdi , M. Dehghan-Banadaky and H. Mansoori
  The aim of this experiment was to study the effect of fibrolytic enzyme on milk yield and composition, rumen microbial count and pH and blood metabolites of fifteen multiparous lactating cows (DIM 30±10 days). The experimental diets include: Control (based diet with no enzyme), basal diet with 2.5 g enzyme/kg of DM and basal diet with 5 g enzyme/kg of DM. Change-over design were used with three period, three treatments and five cows allocated to each diet. Individual dry matter intake and milk yield daily recorded and milk samples were taken for milk constituents analyze in each period. Rumen fluid collected for determining of pH and microbial count from each cow in every period at 0 and 4 h after feeding. Results indicated that low level of enzyme (2.5 g kg-1 of DM) increased milk production and 3.5% FCM compared to the other groups (p≤0.05). However, milk compositions were not affected by enzyme. Cows consuming high level of enzyme (5 g kg-1 of DM) had higher dry matter intake compared to the other groups (p≤0.01). Cows consuming high level enzyme had significantly lower milk efficiency compared to the other groups (p≤0.05). Enzyme had no effect on rumen pH and microbial (bacteria and protozoa) growth at 0 and 4 h after morning feeding. Furthermore, diet with low level enzyme increased plasma glucose concentration of dairy cows (p≤0.05). Results showed that low level of enzyme (2.5 g kg-1 of DM) can be recommended in the diet of early lactation Holstein cows.
  M.R. Kohansal , M. Ghorbani and H. Mansoori
  The aim of this study is investigating the effect of credit accessibility of farmers on agricultural investment and policy options in Khorasan Razavi Province of Iran. This study was done on 133 farmers of credit used group from totally 177 farmers of study that received loan from agricultural bank by Logit model. Results of estimated Logit model showed that the number of installments has the most importance in investment of received credit by farmers and then farm land and previous investment have more importance. In addition, effect of policy changes on investment indicated that applying three options of number of installment, cultivated land area and previous investment, simultaneously have the most effect on investment probability. According to results, attention to policy variables in investment for increasing productivity and decreasing of poverty in agricultural sector suggested.
  M. Ghorbani and H. Mansoori
  The general objective of this study is to estimate the supply and demand gap of export credit and determining the factors influencing on it in Iran. Results showed that average gap of supply-demand of export credit payment in 2005 were 60%. Also, credit gap for export to Asian, European and Arabic countries are 56.7, 66 and 53.3%, respectively. Credit gap is 62.6% for industry sector and 57.4% for agriculture sector. Also it is 50.5% for land collateral and 71.4 if promissory note is used as collateral. Considering some factors such as nature of customer`s activity, selling capability, importance of good in country`s economy for determining the amount of credit as suggestion has introduced.
  M. Ghorbani , H. Mansoori and S. Hamraz
  In this study attempted to investigation the relationship between energy consumption in economic sectors and macroeconomic indexes of Iran for 1970-2000 by using Vector Error Correction Model (VECM). Result showed that a long run relationship existence between total energy consumption, price index and gross national product. With respect to results stabilization energy price policy in economical growth conditions will encourage energy demand dimension. So, government must change energy price policy towards variable pricing based on amount of consumption especially in peak and load duration.
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