Two dietary sources of vitamin E (DL-alpha-tocopheryl acetate [DL-beta-TAc], or D-alpha-tocopheryl acetate [DL-alpha-TAc]) at two dietary supplemental levels (30 vs 60 IU/kg) were evaluated in reproducing sows over a five-parity period. The experiment was a 2 x 2 factorial arrangement of treatments conducted as a randomized complete block in two replicates. A total of 48 gilts were fed their treatment diets from 40 kg BW through five parities, reflecting a total of 171 farrowings. Reproductive measurements of litter size, sow weight, and back-fat thickness were collected. The incidence of mastitis-metritis-agalactia (MMA) and fluid discharge from the vagina were evaluated for each sow on each of the first 3 d postpartum. Sows were bled at periodic intervals during gestation and at weaning (21 d) and serum was frozen. After the fifth parity, two to four sows from each treatment group were killed and tissues collected. At birth, two to three neonatal pigs were killed from each sow treatment group within each parity and livers were collected and frozen. In addition, three pigs from each litter from three to four sows per treatment group within each parity were bled at weaning and serum was saved. Six pigs from each sow group at weaning of Parity 5 were also killed and livers were collected and frozen. Sow and pig sera and tissues were analyzed for a-tocopherol. There was no effect (P > .15) of vitamin E source or level on the various sow reproductive measurements, litter size, or the incidences of MMA or fluid discharges from the vagina. Feeding D-alpha-TAc compared with DL-alpha-TAc or 60 IU compared with 30 IU vitamin E/kg diet resulted in higher (P < .01) sow serum, colostrum, and milk alpha-tocopherol contents at each measurement period. Sow liver, adipose, lung, and heart alpha-tocopherol contents were also higher (P < .01) when the 60 IU vitamin E level had been fed. Both serum and liver a-tocopherol contents in 21-d-old nursing pigs were higher (P < .01) when the sow had been fed D-alpha-TAc compared with the DL-alpha-TAc source or when the 60 IU level had been fed. There were no vitamin E source x vitamin E level interactions (P > .15) for the various alpha-tocopherol measurements. Although the supplemental vitamin E sources were provided on an equivalent IU basis, these results suggest that D-alpha-TAc has a higher equivalency than DL-alpha-TAc on an IU basis, but higher dietary levels also resulted in higher sow and pig alpha-tocopherol contents.
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http://dx.doi.org/10.2527/2000.781110x | DOI Listing |
Nutrients
January 2025
State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, China.
Objectives: Polysaccharides from are known to have several bioactive effects. Previous studies have found that low-molecular-weight polysaccharide (GP1) is degraded by and promotes the production of beneficial bacteria and metabolites, which improves immune disorder and intestinal injury, and then enhances the body's immune regulation ability. However, the immune regulation effect of GP1 on a healthy body has not been studied.
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January 2025
Department of Chemical Technology, University of Plovdiv 'Paisii Hilendarski', 24 Tzar Assen Street, 4000 Plovdiv, Bulgaria.
The genus Amsonia, a member of the Apocynaceae family, comprises plants with notable medicinal benefits. In 2022 and 2023, Walt. seeds introduced to Bulgaria were collected and analyzed.
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January 2025
Chair and Department of Pharmaceutical Chemistry, Poznan University of Medical Sciences, Rokietnicka 3, 60-806 Poznan, Poland.
Background: Intravenous nanoemulsions (NEs) are gaining attention as potential delivery systems for poorly water-soluble substances like cannabidiol (CBD). This study aimed to develop novel NEs based on CBD-enriched hemp oils and evaluate their physiochemical properties.
Methods: The stability of hemp oils enriched with various concentrations of CBD (0.
Animals (Basel)
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Department of Agriculture, Food, Natural Resources and Engineering (DAFNE), University of Foggia, Via Napoli, 25-71121 Foggia, Italy.
Animal feeding has a great impact on the management of beef farms, also affecting the nutritional properties of the meat. Therefore, in this study, the following two forage-to-concentrate ratios were tested on twenty farmed Podolian young bulls: high forage-to-concentrate (HF:C) ratio of 65:35 vs. low forage-to-concentrate (LF:C) ratio of 45:55.
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January 2025
Laboratory of Food Chemistry and Technology, School of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece.
Virgin avocado oil (VAO), treasured for its nutritional and sensory properties, is susceptible to oxidation. To improve its oxidative stability, the feasibility of enrichment with antioxidants from avocado or olive-processing by-products via ultrasound-assisted maceration was explored. Dried, milled avocado (AL), olive leaves (OL), or olive pomace (OP) were ultrasound-macerated with laboratory-extracted VAO at 5, 10, and 20% levels.
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