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Articles by M. Rezaeian
Total Records ( 2 ) for M. Rezaeian
  A. A. Khadem , M. Pahlavan , A. Afzalzadeh and M. Rezaeian
  The effects of live yeast Saccharomyces cerevisiae (LYSC, strain Sc 47) on rumen fermentation and microbial populations, digestibility of nutrients, degradability of alfalfa hay and on the performances of sheep were investigated in two experiments. In both experiments, animals in treatment groups were received 0, 2.5, 5 and 7.5 g of LYSC per sheep per day and were defined as control, 2.5, 5.0 and 7.5 g LYSC treatment groups, respectively. In the first experiment, four fistulated Chall sheep (49±0.5 kg BW) were kept in individual metabolic crates under a 4x4 Latin square design and fed a Total Mixed Ration (TMR) containing of barely (48%), wheat bran (16%), shelled corn (5%), mineral-vitamin mix (1%) and of alfalfa hay (30%). In the second experiment, 28 sheep (48±0.5 kg BW) were assigned into four treatment groups under a complete randomized design and fed a TMR containing of barely (60%), wheat bran (7%), cottonseed meal (2%), mineral-vitamin mix (1%) and of alfalfa hay (15%) and wheat straw (15%). The highest and the lowest ruminal pH values (p<0.01) were recorded for sheep in 2.5 g LYSC and control groups, respectively. At 3 h post-feeding, the total VFA of rumen fluid was increased (p<0.01) from 91.26 to 103.34 mmol L-1 in control vs. 2.5 g LYSC groups. The ruminal NH3-N of sheep was decreased (p<0.01) from 159.63 to 128.90 mg L-1 in control vs. 2.5 g LYSC groups. Bacterial populations of rumen fluids were differed from 14 to 43% in treatment groups although the differences were not significant. Compared to the other groups, voluntary feed intake was higher (p<0.01) in 5.0 g LYSC group and this was ended to an inappropriate feed to gain ratio in this group. It can be concluded that the use of LYSC at a level of 2.5 g per sheep per day could improve the ruminal fermentation and resulted in a relatively better performances in Chall sheep.
  M. Rezaeian , G. Hassanshahi , Z. Salem , A. Shamsaee , A. Tourousian , R. Hazare and S.Z. Tabatabai
  Anthropometric studies in Afghan immigrants in Iran have not been yet performed; therefore the aim of the present study is to identify Body Mass Index (BMI) in a sample of Afghan immigrant children in Iran during the year 2005. In this cross-sectional study 606 Afghan children aged between 6-14 years have been randomly selected within Shahriar County of Tehran Province of Iran and their weight and height have been measured. Then, using BMI formula BMI = Weight (kg)/Height (m2) their BMI was calculated and based on CDC (Centers for Disease and Prevention Control) indices, children were categorized as: under weight, normal and obese. Results of this study showed that 97 cases (16%) had low weight whereas, 429 cases (81.2%) had normal weight and 17 cases (2.8%) had over weight. More percentage of girls had lower weight than the boys (15.2 versus 16.9%), Afghan children who were born in Iran had also lower weight (17.3%) than those who were born in Afghanistan (15.2%) and third and upper birth order children had lower weight compared to first and second birth order (17 versus 15.3%). However, none of these differences were statistically significant. The researchers suggest that due to high incidence of malnutrition in Afghan immigrant children in Iran interventional and educational programs are needed in order to improve their level of health and nutritional status.
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