Journal of Animal and Feed Sciences (J ANIM FEED SCI )
- Impact factor0.76Show impact factor historyHide impact factor history
- 5-year impact0.51
- Cited half-life7.20
- Immediacy index0.10
- Article influence0.12
- WebsiteJournal of Animal and Feed Sciences website
Publications in this journal
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ABSTRACT: The aim of the present study was to investigate the effect of varying levels of whole-grain wheat in the diet (12.5%, 25%, 37.5% and 50%) on the particle size spectra of duodenal digesta and nutrient digestibility in young turkeys. After feeding from 4 to 8 weeks of age, a linear increase in particles larger than 2 mm (P = 0.002) and a linear decrease in particles ranging in size from 1 to 2 mm and smaller than 0.071 mm (P = 0.001; excluding particles ranging in size from 0.106 to 0.071 mm) were noted in the duodenal digesta of turkeys. No differences were observed in the digestibility coefficients of dry matter and crude fibre or in nitrogen retention. Our findings indicate that the inclusion of whole wheat in the diet increased the proportion of coarse particles in the digesta leaving the gizzard, which did not reduce the apparent digestibility of dry matter and crude fibre, or nitrogen retention. Nonetheless, both the weight gain and feed conversion ratio worsened linearly with increasing amounts of whole wheat in the diet (linear contrast P = 0.002 and P = 0.001, respectively).Journal of Animal and Feed Sciences 01/2013; 22:366-370.
- Journal of Animal and Feed Sciences 01/2013; 22:204-212.
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ABSTRACT: The extract from linden inflorescence is one of the pharmacognostic resources which properties are associated with the presence of flavonoids (mainly: quercetin, kaempferol, acacetin glycosides and tiliroside). Flavonoids belong to polyphenols that may play a significant role in the dietoprophylaxis of civilization diseases. These compounds have many different mechanisms of action, but most important seem to be their antioxidant properties. The aim of the present study was to investigate the influence of linden extract on a) gene expression in rat liver and determine the difference in gene expression depending on the use of hydrolyzed or non-hydrolyzed linden extract, and b) antioxidant parameters of liver tissue. Rats were fed the diet containing hydrolyzed and non-hydrolyzed extract from linden inflorescence (Tilia cordata). The administration of hydrolyzed extract increased more than two-fold the level of quercetin in rats liver when compared to non-hydrolyzed extract. The transcriptomic study performed using microarray technology revealed 344 probes regulated by linden extract and 187 probes differentiating the action of hydrolyzed from nonhydrolyzed linden extracts. The most important molecular functions of regulated genes were as follows: defense and immunity, transporter, receptor, ion channel, oxidoreductase, cytoskeletal protein and cell adhesion molecule. Among most important biological processes identified were immunity and defense, transport, homeostasis and lipid, fatty acid and steroid metabolism. The analysis of oxidative status in rats liver together with the analysis of liver transcriptomic profile suggest that the antioxidant activity of hydrolyzed linden extract is higher that the non-hydrolyzed and occurs on the level of gene expression.Journal of Animal and Feed Sciences 01/2013; 22(1):63-69.
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