Performance, carcass characteristics and meat quality of Nellore cattle supplemented with supranutritional doses of sodium selenite or selenium-enriched yeast

Abstract

The enrichment of meat with selenium is important to improve the intake of selenium by humans. The effects of supranutritional doses of sodium selenite or selenium-enriched yeast on performance, carcass characteristics and meat quality were evaluated using 63 Nellore cattle in a completely randomized design with two sources (sodium selenite and selenium-enriched yeast), three levels (0.3, 0.9 and 2.7 mg Se/kg DM) and control treatment (without addition of selenium). Final body weight (BW), average daily gain, dry matter intake and gain to feed ratio (G : F) at the end of 84 days of supplementation were not influenced by treatments (P>0.05). Values of pH, ribeye area, back fat thickness and marbling score were also not influenced by treatments ( P>0.05). Dressing percentage was greater (P=0.02) in Nellore cattle supplemented with organic Se (58.70%) compared to animals supplemented with inorganic Se (57.94%). Hot carcass weight increased ( P=0.05) with the increasing of Se levels in the diet. Colour, shear force (SF), cooking and drip loss remained unchanged ( P>0.05); however thiobarbituric acid reactive substances was 15.51% higher with inorganic Se compared with organic Se. The selenium concentration in the meat of animals receiving organic selenium was higher ( P<0.001) than that of animals receiving sodium selenite, at all levels (0.3; 0.9 and 2.7 mg/kg DM). The meat of animals receiving 2.7 mg of organic Se/kg of DM presented concentration of 372.7 μg Se/kg in the L.dorsi muscle, and the intake of 150 g of this meat by humans provides approximately 100% of the recommended Se intake (55 μg Se/day for adults). Therefore, the use of supranutritional doses of 2.7 mg Se/kg of DM, regardless of source, is a way of naturally producing selenium-enriched meat without compromising performance, carcass characteristics and quality of Nellore bovine meat.

Biogenic Selenium Nanoparticles in Animal Nutrition: A Review

“…Improved beef meat quality parameters (e.g., color stability) and increased Se concentration in the muscles of Charolais bulls supplemented with organic Se (0.2 mg/kg DM) for 60 days were observed by Grossi et al [57]. The selenium concentration in the meat of Nellore cattle was higher in animals supplemented with organic Se (0.3, 0.9, and 2.7 mg/kg DM) compared to organic Se [68]. Results obtained by Hall et al [69] and Galbraith et al [70] also showed better bioavailability of the organic forms of Se compared to the inorganic form.…”

Effect of dietary selenium supplementation (organic and inorganic) on carcass characteristics and meat quality of ruminants: a meta-analysis

“…Previous findings were consistent with our results. Animals consuming a diet with increasing Se levels exhibited an increase in HCW (Silva et al, 2020). The addition of Se improved the commercial and biological carcass yield (Hernandez-Calva et al, 2013).…”

“…Se supplementation improved HCW due to a higher proportion of muscle tissue in individual ribs and fore shank (Table 2). Dressing and HCW were shown to be affected by different variables, including visceral organ mass (Silva et al, 2020). On the other hand, Mahmood et al (2018) reported that the increases were due to a higher proportion of muscle tissue in HCW in the rack, loin, and leg regions.…”

“…When a published article described more than one experiment, each individual examination was coded separately. A total of 26 experiments from 19 studies were registered in the database (Vignola et al, 2009;Liao et al, 2011;Liu et al, 2011;Hernandez-Calva et al, 2013;Netto et al, 2014;Sushma et al, 2015;Aghwan et al, 2016;Jaworska et al, 2016;Przybylski et al, 2017;Haug et al, 2018;Mahmood et al, 2018;Maraba et al, 2018;Bezerra et al, 2020;Silva et al, 2020;Grossi et al, 2021;Shin et al, 2021;Jia et al, 2022;Mariezcurrena-Berasain et al, 2022;Tian et al, 2022). Details of the studies included in the meta-analysis are listed in SeY -selenium-enriched yeast, Sel-Plex ® -organic selenium from Alltech, Inc., TMR -total mixed ration in relation to feed recovery, we did not use Se recovery, but rather the dose applied directly by the authors.…”

Longissimus Dorsi Muscle Transcriptomic Analysis of Simmental and Chinese Native Cattle Differing in Meat Quality

“…These native cattle breeds have many specific genes and potentials for meat production (26,27). The meat quality Meat color mainly reflects changes in biochemical, physiological, and microbiological properties in muscle (28). The observation of meat color is widely used as an effective way to evaluate meat quality by consumers.…”