Evaluating hydrolyzed yeast in the diet of broiler breeder hens

Egg production, egg quality, nutrient digestibility, and excreta microflora of laying hens fed with a diet containing brewer’s yeast hydrolysate

“…In addition, there was a linear increase (P < 0.05) observed in egg weight with the dietary BYH during 37-41 and 42-46 weeks, which agrees with previous report, Yalçın et al (2010). Meanwhile, Araujo et al (2017) also indicated that supplementation of the diet of the breeder hens with the hydrolyzed yeast resulted in a 2.14% increase in egg production. However, earlier studies indicated contrary results, that yeast culture (S. cerevisiae), S. cerevisiae containing dried yeast, and S. cerevisiae fermentation product had no effects on egg production (Ayanwale et al 2006;Hosseini et al 2006;Yousefi and Karkoodi 2007;Yalçin et al 2008;Sacakli et al 2013;Blount 2016;Özsoy et al 2018).…”

“…In many countries the use of antibiotics as growth promoters for poultry feed is banned due to existing resistance and potential effects on humans. Yeasts as probiotics products may serve as alternatives to antibiotics for growth promotion and disease resistance in poultry for several years (Jin et al 1998), either the form of yeast by-products from breweries or commercial yeast products for animal feeding (Stone 2004;Araujo et al 2017).…”

Influence of yeast hydrolysate supplement on growth performance, nutrient digestibility, microflora, gas emission, blood profile, and meat quality in broilers

“…The enhanced BWG with the increased YH level in this study may have been linked to improving intestinal health leading to better FCR, which is associated with increased enzyme activities and led to increase the protein absorption and nutritional utilization. In 2018, Araujo et al [ 27 ] demonstrate that YH supplement had significantly improved the BWG and FCR of breeder hens (35 wk old). In contrast, our study reveals that broiler fed dietary supplement with YH had linearly decreased FCR compare to those fed with control diet.…”

Influence of spleen meal and hydrolyzed yeast on growth performance, blood cells, antibody titres and IL-2 gene expression in broiler chickens

“…HYs have a cell wall comprising mainly β-glucans and mannanoligosaccharides; these components appear to affect the immune system and are able to prevent pathogenic bacterial colonization in the gastrointestinal tract. HYs also have cell content with free nucleotides that affect animal intestinal health, thereby increasing growth and positively influencing the bacterial flora in monogastric animals (Araujo et al 2018).…”