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Articles by A. Doosti
Total Records ( 4 ) for A. Doosti
  R. Yaeghoobi , A. Doosti , A.M. Noorian and A.M. Bahrami
  Investigation of genetic parameters and trend of milk and fat yield traits is main goal of this study. This study used 2213 records of first lactation Holstein's dairy cattle of west provinces of Iran for estimate of genetic and phonotype trend. These data get from Animal Breeding Center from 1996-2006 then analyzed. Annual Genetic and phonotype trend for milk and fat yield traits was 19.61, 0.171, 71.99 and 1.401, respectively. Estimation of the variance-covariance traits and hereditability of the traits of milk production and the milk fat content were made using the single trait animal model and the DFREML software. Heritability of milk and fat yield was 21.02±0.06 and 0.086±0.005, respectively. The components of variance additive genetic, phonotypic and error were 505272.69, 2403771.14 and 1806194.70 for milk yield and 185.84, 2256.74 and 2160.98 for fat yield, respectively.
  A.M. Bahrami , A. Doosti and A.B. Moosavi
  This study was conducted in Ilam province Iran, to evaluate the effects of homeopathic treatment on control of Ostertagia ostertagi experimental infection in lamb and weight gain after treatment with the ethanol extraction of Matricaria chamomilla L. plant and haematological changes due to this parasitic infection. Herdsman do believed that feeding of Matricaria chamomilla L. plant in limited amounts could help to keep lamb more healthy and can act as an antihelminthic. The plasma protein (by SDS-PAGE) and enzyme levels were studied in Kordish breed lamb infected with (10000L3) O. ostertagi orally. Twenty four lambs age between 8-12 months, with the average weight 13.650 kg were divided in two groups 1 as control and the group 2 as an experimental animal infected with O. ostertagi and after 10 weeks of parasitic infection the experimental groups were de wormed with 5 mL kg-1 b.wt. Matricaria chamomilla L. plant extraction. Plasma of blood sample was separated for determination of total protein, plasma total free amino and alkaline phosphates. At the results significant decrease in plasma total free amino acid and total plasma protein and significant increase in alkaline phosphates and acid phosphates were seen in infected group. Significant increase were observed in infected lamb after 10 weeks de worming the animal with experiment plant extraction. It can be concluded that M. chamomilla can be use as a de wormer, or can say that it is effective for increasing the body weight of animals, its need further investigation.
  A. Sharifzadeh , A. Doosti and S. Moshkelani
  Leptin is a protein involved intricately in the growth and metabolism of animals and which plays an important role in the regulation of feed intake, energy metabolism, growth and reproduction of cattle. We used the Polymerase Chain Reaction-Restriction Fragment Length Polymorphism (PCR-RFLP) technique to screen for DNA polymorphisms of the leptin gene in 112 Iranian Holstein cattle (Bos taurus) in Karaj Animal Breeding Center. PCR was carried out between exon 2 (intron 2). A strategy employing polymerase chain reaction was used to amplify a 422 bp from semen DNA. Digestion of polymerase chain reaction products with Sau3AI revealed two alleles: allele A was 390, 32 fragments and allele B was 303, 88, 32 (only 303 fragment visible on the gel). Three patterns were observed and frequencies were 60.71, 37.5 and 1.79% for AA, AB and BB, respectively. This polymorphism could be further evaluated for marker-assisted selection and developed PCR methodology would expedite screening for large numbers of animals required for such studies.
  A.M. Bahrami , A. Doosti , A.M. Noorian , A. Bahrami Mousavi , S.Gh.R. Mousavi and M. Modarreskia
  Nematodes are important cause of reducing the body weight and producing the disease, anemia in young or debilitated animals. The aim of this study is to perform experimental research to obtain the effects of plant extraction of fumatiaceae on control of Haemonchus contortus experimentally infected goats, and its effects on weight gain and hematological parameters changes due to this parasitic infection. In Ilam province Iran where this experiment had been conducted the farmers traditionally claims that this plant could be use as a anthelmintic medicine. Twenty four draft goats, 10-12 months of age and with the average weight of 15.550 kg divided in two groups (group 1 control and the group 2 as a experimental animal infected with H. contortus (5000 L3) orally) and after 10 weeks of parasitic infection the experimental group of animals were de wormed with 6 mL kg-1 body weight fumatiaceae plant extraction. Plasma of blood sample was separated for determination of total protein, plasma total free amino acid and alkaline phosphates. At the results significant decrease in plasma total free amino acid, total plasma protein and significant increase in alkaline phosphates and acid phosphates were seen in infected group. Significant increases of body weight were observed in infected goats after 10 weeks de worming the animal with experimental fumatiaceae plant extraction. It can be concluded that fumatiaceae plant extraction could be use as a de wormer and need further investigation.
 
 
 
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