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Polyphenol compounds were analysed and storage stability determined of cold-pressed cakes from one non-genetically modified (non-GM) flax variety Linola and two GM lines: W92 line with overexpressed flavonoid biosynthesis pathway and GT line with overexpressed glycosyltransferase. The 20 g samples of each cake were stored in oxygen-free and dark conditions for 3 (T3) and 7 (T7) months at 4 and 21...
The aim of the study was to evaluate the effect of ensiling density on chemical and microbiological characteristics of sorghum silage. Thirty-six minisilos made of PVC with a volume of 3.1 dm3 were used. Acompletely randomized design was used with six replications per each treatment. The treatments differed in packing density: 300, 375, 450, 525, 600 and 675 kg of fresh forage per m3 . The contents...
Aflatoxin B1 (AFB1 ) is a fungal metabolite and highly carcinogenic compound of category 1 according to the International Agency for Research on Cancer. In the liver AFB1 from contaminated feed is bioconverted into aflatoxin M1 and can be easily diffused to the animal milk. Provision of healthy milk for humans, particularly infants and adults, therefore, entails monitoring of AFB1 level in the feed...
The objective of the in vivo study was to evaluate whether feeding graded levels of boron affect rumen microbial fermentation including pH, ammonia, volatile fatty acids and protozoa counts. In the experiment 4 Merino rams in a 4 × 4 Latin square design fed forage and concentrate with boric acid (0, 200, 300 and 400 mg · kg−1 in control, B1, B2 and B3 group, respectively) were used. Each experimental...
The aim of the study was to evaluate the effect of dietary inclusion of crude glycerine on growth performance, carcass traits, body measurements and blood cholesterol level of growing Japanese quails. In total 375 one-dayold Japanese quails were randomly divided into five equal groups under complete randomized design. Experimental groups were as follows: T1: basal diet (without glycerine addition),...
The aim of the study was to evaluate the effect of sucrose, formic acid and lactic acid bacteria (LAB) inoculant on chemical composition and in vitro rumen digestibility of drooping wild ryegrass (Elymus nutans Griseb.) silage. Fresh drooping wild ryegrass was harvested at boot stage and ensiled with: 1. control (untreated), 2. 20 g · kg−1 sucrose (S), 3. 3 g · kg−1 formic acid (FA) and 4. 0.005 g...
Conjugated linolenic acid (CLnA) isomers refer to a group of positional and geometric isomers of the omega-3 essential fatty acid – α-linolenic acid (cis-9,cis-12,cis-15 C18:3; ALA). CLnA isomers can be either cis- and/or trans- and their double bonds are separated by a single bond. Food products from ruminants and some plant products (e.g., pomegranate or bitter melon seeds) are the major sources...
In order to investigate the effects of dietary supplementation with Jerusalem artichoke (Helianthus tuberosus L.; JA) as prebiotic, 72 Wistar rats were allocated into 4 groups (JA-0, JA-2, JA-4 and JA-6) and fed for 12 weeks a basal diet supplemented with 0, 2, 4 and 6% of pulverized JA tubers. The JA addition did not affect the growth performance of animals and had no detrimental effect on feed intake,...
This study evaluated the effect of diet supplementation with an essential oil blend (13.5% thymol and 4.5% cinnamaldehyde, EO) on growth performance and selected parameters of oxidative stress and antioxidant defence in Escherichia coli challenged piglets. Ninety-six weaned piglets were allocated into 4 experimental treatments (6 replicates per treatment with 4 piglets per replicate) for 35 days arranged...
The study was performed on two groups of lambs: control (CG) and experimental (EG) in which diet was supplemented with Saccharomyces cerevisiae yeast extract. At 100 day of life, 13 lambs from each group were weaned, fasted for 12 h and, on the following morning, transported to the slaughterhouse. Lambs were weighed and subjected to blood sampling before weaning (blood sampling time (BST 1), before...
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