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Articles by Sepehr Shekarchian
Total Records ( 6 ) for Sepehr Shekarchian
  Sepehr Shekarchian , Sahab Shekarchian , Monika Motaghi and Amin Jazayeri
  The aim of this study is to determine the proportion of fetuses destroyed due to the slaughter of pregnant cows at Incidence of Fetal Wastage in Cattle Slaughtered at the Shahrekord Industrial Slaughter House, Shahrekord, Iran. A retrospective study was conducted on abattoir records kept by the Chahar-Mahal-O-Bakhtiari State Department of Veterinary Services over a 4 years period. The study showed an incidence rate ranging from 1.50-2.10% over the 4 year study period (Average of 1.8%). This practice constitutes a huge drain on the animal protein availability for human consumption in a developing country like Iran. It is therefore recommended that appropriate legislation be put in place and enforced to control the slaughter of pregnant animals. Comprehensive ante-mortem inspection should also be carried out by abattoir staff on all animals intended for slaughter for human consumption.
  Amin Jazayeri , Sepehr Shekarchian , Masoomeh Ghobadi and Monika Motaghi
  The study was conducted to determine withdrawal periods of intramammary preparations Curaclax (ampicillin+ceplulosporin), oxymast (oxytetracycline) and spectrazol (cefruxine) in camel and cow milk. Withdrawal periods in milk were 4 days in cows versus 5 days in camels for curaxlox and 4 days in cows versus 6 days in camel for oxmast and spectrazol. The significant (p<0.05) difference in withdrawal periods between camel and cow emphasizes the need to establish specific withdrawal periods for other drugs in the camel.
  Sima Ghezelbash and Sepehr Shekarchian
  Osteoarthritis (OA) of the knee which is prevalent among older adults in nursing homes, causes significant pain and suffering including disturbance of nocturnal sleep. One nonpharmacologic treatment option is quadriceps-strengthening exercise, however the feasibility of such a treatment for reducing pain from OA in severely demented elders has not been studied. This study describes the test of the feasibility of such an exercise program, together with its effects on pain and sleep in a severely demented nursing home resident. The subject was an elderly man with severe cognitive impairment (Mini-Mental Status Exam score 4) and knee OA (Kellgren-Lawrence radiographic grade 4). He was enrolled in 5 weeks, 10 session standardized progressive-resistance training program to strengthen the quadriceps and completed all sessions. Pain was assessed with the Western Ontario and MacMaster OA Index (WOMAC) pain subscale and sleep was assessed by actigraphy. The patient was able to perform the exercises with a revision to the protocol. However, the WOMAC OA pain subscale proved inadequate for measuring pain in a patient with low cognitive functioning and therefore, the effects on pain were inconclusive. Although, his sleep improved after the intervention, the influence of his medications and the amount of daytime sleep on his nighttime sleep need to be considered. A quadriceps-strengthening exercise program for treating OA of the knee is feasible in severely demented elders, although a better outcome measure is needed for pain.
  Abas Tavakoli , Sepehr Shekarchian , Sahab Shekarchian and Amin Jazayeri
  Campylobacter sp. are one of the most frequent pathogens of acute bacterial gastroenteritis which is transmitted mostly via food originating from animals. This study was conducted to determine the prevalence of Campylobacter sp., in raw bovine milk in Mashhad, Iran. From June, 2008-2009, a total of 120 raw bovine milk samples from randomly selected dairy bovine herds in Mashhad, Iran and were evaluated for the presence of Campylobacter. In this study, 3 of 120 raw bovine milk samples (2.5%) were found to be contaminated with Campylobacter. Campylobacter isolates recovered from raw bovine milk were all identified as C. jejuni. To the knowledge, the present study is the first report of the isolation of Campylobacter sp., from raw bovine milk in Mashhad, Iran.
  Sepehr Shekarchian
  The current study aimed to compare three strategies of distribution of concentre in 84 Holstein breed dairy cows divided into three equal groups (average initial liveweight: 553 kg, average stage of lactation: 122 days, row of lactation: 8 cows at the first and 20 at the second lactation in each group) on intake and milk yield and composition. They received a basal diet composed of oat hay, corn or grass silage and green ryegrass. The concentrate was distributed either in Total Mixed Ration (TMR) or Partially Mixed Ration (PMR) or Separate Ration (SR). Intake (3 times during the experiment) and individual dairy production (twice a month) were measured during 13 weeks experimental period. Also, milk composition (protein and fat) were analysed in milk samples taken in every control. The trial lasted 13 weeks, preceded by 3 weeks of adaptation. Results indicated that Dry Matter (DM) intake of concentrate was significantly but slightly (p<0.05) higher in SR than in PMR and in TMR (11.5, 11.3 and 11 kg). The same trend was almost observed in total diet DM intake. Animals from the group PMR produced significantly (p<0.05) more milk (31.4 kg day-1) than the tow other groups which were similar (averaged: 26.5 kg day-1). Milk from SR group was slightly higher (p<0.05) in protein than PMR and TMR which were similar (31.3, 30.2 and 29.9 g kg-1, respectively). No significant differences were observed in fat (mean average: 32 g kg-1). It was mainly concluded that with the current low-quality based diet, the mixed strategy (PMR) seamed to result in the highest milk production with no considerable effects on milk fat and protein content.
  Sepehr Shekarchian
  A six kinds of yoghurts were produced from cow, goat and sheep milks using Lactobacillus bulgaricus and Saccharomyces cerevisiae (Baker’s yeast) as starter cultures which were used separately and as a consortium. Goat and sheep milks fermented separately with each of the starter cultures had lower pH than those of cow’s milk. The textures of yoghurts from goat and sheep’s milks were thicker than the yoghurt from cow milk which was watery. The acidity of the six kinds of yoghurt was low when compared with commercial yoghurts produced with a mixed culture of L. bulgaricus and Streptococcus thermophillus. Yoghurts from goat and sheep’s milks were preferred to yoghurt from cow although, goat milk’s yoghurt had a characteristic goat like aroma and it will be more preferred if the goat like aroma is removed. Pasteurization of the fermented milk product had no effect on their acidity. Hence, yoghurt from goat and sheep’s milk were found acceptable to the panelists.
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