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Articles by Aurel SARA
Total Records ( 4 ) for Aurel SARA
  Mihai BENTEA , Aurel SARA , Liviu PANTA and Liviu CLAPA
  The researches have been made on a number of 150 broiler turkey juveniles, the Big 6 hybrid, assigned in 3 batches of 50 juveniles/batch for a period of 140 days (the growth stage). In the feed of batch 2E was added the multienzimatic complex Allzyme SSF 0.02 % and in the feed of batch 3E was added the organic mineral Sel-plex 0.03 %. At the end of the trial 8 turkey broilers/group were sacrificed to establish the meat quality through portioning and to establish the crude chemical composition of meat. The use of the organic mineral Sel-plex 0.03 % in broiler turkey feed led to the improvement of carcass weight with 4.89 % higher than the Control group. At turkeys from group 2E the proportion of first grade quality meat in carcass was 2.01 % higher than the Control group and at group 3E with 2 % higher than the Control group. The administration of the multienzimatic complex Allzyme SSF 0.02 % in group 2E feed and the use of the organic mineral Sel-plex 0.03 % in broiler turkey feed from group 3E led to the improvement of the meat quality due to an increase of protein content of meat and a reduction of meat fat. The results obtained confirm the positive effects of the multienzimatic complex and organic selenium on the turkey broiler meat production and its quality.
  Aurel SARA , Aurelian BARBU , Florin MOLNAR and Ani ALINA
  The aim of this study was to follow the effects of Bio-Mos, NuPro and SelPlex on the production indices of brook trout. The experiment had been carried out during August 2008 - April 2009 (250 days) at the trout farm ICAS Gilau, situated in Cluj County. Four batches were implied: a Control batch and three experimental batches (Bio-Mos 0.2 %, NuPro 2 % and SelPlex 0.03%) each of them consisting of 250 brook trout juveniles. The experiment took place in four concrete tanks, which offered the same rearing conditions (the same water quality, rearing density, feeding hours, food quantity). The experimental batches received 0.2% Bio-Mos, 0.03% SelPlex and 2% NuPro, and at the end fish reached an average weight of 238.55 g/specimen and a survival rate of 82.8% for Bio-Mos batch, 212.2 g/specimen and a survival rate of 94.4% for SelPlex batch and 225.25 g/specimen and a survival rate of 80% for the NuPro batch comparatively to the Control batch where an average weight of 204.65 g/specimen and a survival rate of 77.28% had been registered.
  Aurel SARA , Alina R. ANI , Aurelian BARBU and Mihai BENTEA
  The present research concerns the use of organic selenium (Sel-plex) in quantities of 0.03 mg/kg grained fodder, in the nutrition of breeding carp (Cyprinus carpio), Lausitz variety (for short carp) three summers old. Nutrition has been carried out during 47 days before naturally directed reproduction, from which carp fry resulted. The aim of this study is to investigate the effect of organic selenium on morphological traits and survival of carp fry and later carp juvenile carp. The experiment was placed at Martinesti farm (Cluj County) and used two breeding families: an experimental one (2 ♂ 1 ♀) and a witness one (2 ♂ 1 ♀); reproduced naturally in two pools offering the same conditions. After reproduction, hatching and larval morphological characteristics were studied on resulting fry and juveniles. During exogenous feeding fry were fed with powder milk, containing for the experimental group 0.03 mg organic selenium/kg fodder. After this growth stage of 8 days there were no significant morphological differences between the two groups. From this point on a juvenile stage followed, when feeding was carried out using 50% powder milk and 50% corn flour; improved with 0.03 mg organic selenium /kg fodder for the experimental group. At the end of this stage there were significant differences in terms of average body weight: the control group showed an average weight of 0.5996±0.2269 g/specimen and its variability of 37.84% compared to the experimental group which recorded a higher average weight of 0.6212±0.2267 g/specimen and a variability of 36.49%.
  Aurel SARA , Alina R. ANI , LaurenNiu OGNEAN and Mihai BENTEA
  The aim of this research is to analyze the effect of organic Selenium (Sel-Plex) on some hematological indices (hematocrit (Ht), hemoglobin (Hb), total erythrocyte count (E), total leukocyte count (Le) and determination of erythrocyte/leukocyte and lymphocyte/granulocyte ratio) and the impact of organic Selenium on the organism in one summer old common carp (Cyprinus carpio), Lausitz and Galitian varieties. The experiment were carried out on a number of 6 fish/group (randomly selected) from a group of 392 fishes, Lausitz variety, divided into 2 groups (194 fishes in the control group and 198 fishes in the experimental group) and on 6 fishes/group (randomly selected) from a total of 192 fishes, Galitian variety (94 fishes/control group and 98 fish/experimental group). The groups were reared in 2 ponds, in a polyculture semi-intensive system. The rearing conditions were identical for the 2 groups, excepting the fodder administered; the experimental group was fed with a diet containing 0.03mg/kg organic Selenium (Sel-Plex). From the correlation of the data obtained on the hematological indices and the ratios between the erythrocyte and leukocyte elements, an anemia syndrome was identified; also irritating effects were identified, influenced by the outbreak an evolution of Argulosys in the groups of one summer old common carp (both varieties). The fishes from the experimental group showed an increased immunological reaction, through a slight increase in the leukocyte numbers. Comparing the leukocytes numbers recorded in the 2 groups, a very significant difference can be observed (***P<0.001), in favor of the experimental group, Lausitz variety, compared to the control group, and significant differences (*P<0.5) in favor of the experimental group, Galitian variety, compared to the control group. The individual data were statistically analyzed using GraphPad InStat v.3 software.
 
 
 
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