مقالههای B. Dastar
توجه: محتویات این صفحه به صورت خودکار پردازش شده و مقالههای نویسندگانی با تشابه اسمی، همگی در بخش یکسان نمایش داده میشوند.
۱Requirements of n–3 Highly Unsaturated Fatty Acids in Beluga (Huso huso) Juvenile and their Effects on Growth, Carcass Quality and Fatty Acids Composition
اطلاعات انتشار: Journal of Agricultural Science and Technology، چهاردهم،شماره۱، Jan ۲۰۱۲، سال ۰
تعداد صفحات: ۱۲
An 8–week feeding experiment was carried out on beluga (Huso huso) juvenile to evaluate the effects of different levels of fish oil containing n–3 highly unsaturated fatty acids (n–3 HUFAs) on fish growth and fatty acid composition. The requirements of beluga juvenile for n–3 HUFAs were studied by feeding fish diets containing six different levels of n–3 HUFAs ranging from 1.56 to 17.25% (% of total fatty acids). Weight gain, feed conversion ratio, condition factor, specific growth rate and protein efficiency ratio were not significantly different among dietary treatments, nor was the body composition (including: moisture, protein, lipid and ash) of beluga juvenile (P> 0.05). There were no significant differences among plasma protein, glucose, cholesterol and triglyceride contents of dietary treatments (P> 0.05). However, haematocrit values were significantly lower in diets 1 and 2 (P 0.05). The fatty acid composition of fish showed a pronounced change from the initial carcass with fatty acid composition changes in experimental diets. The fatty acid composition of the beluga carcass fed on diets containing various levels of n–3 HUFAs reflected the dietary fatty acid composition. The n–3 HUFAs contents of the lipids of fish increased with an increase in dietary n–3 HUFAs levels. Results suggested that minimum levels of n–3 HUFAs in diet have no effect on growth and n–3 HUFAs are not a restrictive factor on growth in beluga.
۲Decreasing the Effects of Aflatoxins on Color and Oxidative Stability of Broiler Meats using Nanozeolite
اطلاعات انتشار: Journal of Agricultural Science and Technology، هجدهم،شماره۱، ۲۰۱۶، سال ۰
تعداد صفحات: ۱۳
This study was carried out to evaluate how various amounts of nanozeolite decrease the effects of Aflatoxins (AF) on color and oxidative stability of the broiler thigh meat. Three hundred and thirty six one–day–old Ross 308 male broiler chickens were divided into six groups including a control group, which received diet without AF and nanozeolite, and five treatment groups that received diet with 0.5 ppm of AF, as well as 0, 0.25, 0.5, 0.75, and 1% of nanozeolite. Results showed that broilers fed by AF contaminated diet without nanozeolite had the highest rate of L* and a* values and the lowest rate of b* value (P> 0.05). AF contaminated diet without nanozeolite increased ThioBarbituric Acid Reactive Substances (TBA–RS) significantly, compared to the control group and the treatment groups that received AF and nanozeolite (P 0.05). Results suggest that nanozeolite (especially 0.75 and 1%) is able to reduce the adverse effects of AF on meat quality, especially lipid oxidation.
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