Impact of <i>Saccharomyces cerevisiae</i> supplementation on reproductive performance, milk yield in ewes and offspring growth

Abstract

Abstract. The effect of supplementing sheep diets with Saccharomyces cerevisiae Inter Yeast ® dried brewer's yeast (Leiber GmbH, Bramsche, Germany) or with a Biolex ® Beta-S (Leiber GmbH, Bramsche, Germany) extract containing over 70 % β-1,3/1,6-D-glucan was investigated. Experiment 1 was carried out with 120 ewes and 190 lambs. The animals were divided into three groups: I -control; II -fed yeast; and III -fed Biolex. The supplements were administered during a 3-week preparation period for tupping and a 70-day lamb-rearing period. The following reproductive parameters were analysed: fertility, prolificacy, lamb rearing and breeding performance, milk yield and lamb growth rate. Experiment 2 was conducted with 120 ewes divided into two groups: I -control and II -fed yeast during a 3-week preparation period. Fertility and prolificacy were analysed. Significant increases in prolificacy were recorded in sheep administered dried brewer's yeast: 28.51 % in experiment 1 and 31.33 % in experiment 2. Breeding performance was also higher by 35 %. Both yeast supplements had a stimulating impact on the milk yield of ewes and the growth rate of their offspring. Milk from the experimental ewes, especially in the group fed Biolex, had a substantially higher content of dry matter, mainly fat. The lambs in this group had the highest body weight at the age of 70 days. Finally, however, the production of livestock per mother was highest in the group fed the supplement with Saccharomyces cerevisiae.

Saccharomyces cerevisiae Yeast-Based Supplementation as a Galactagogue in Breastfeeding Women? A Review of Evidence from Animal and Human Studies

“…SCY products are widely used as dietary supplements to increase milk yield in ruminants [46][47][48][49][50][51][52][53][54][55][56][57][58] and to improve the reproductive performance of sows and growth of offspring [59][60][61][62][63][64][65]. These products include active SCY, inactive SCY (SCYS) and yeast cell wall products (YCWPs), such as beta-glucan, MOS or combined products.…”

Effect of Yeast-Based Probiotics Supplementation on the Productive and Reproductive Performance of Lactating Buffaloes

“…Zearalenone is a major toxin produced by the Fusarium molds and its chemical structure is similar to that of the estrogen hormones and this chemical structure is well known by its estrogenic activities (Jamuna et al, 2013) so, it causes some reproductive disorders and various modifications at the genital organs, mainly when its concentration in feed is near to 400 ppb (Whitlow and Hagler, 2001;Sporsen andTowers, Sprosen, andWebber, 1995). Some of studies reported an improvement in reproductive performance for Friesian cows (Abdel-Khalek, 2003& Zaleska et al, 2015 and Egyptian buffaloes (Ibrahim, 2004), supplemented yeast culture on their diets. While, Kalmus et al (2009) found that yeast culture supplementation had no effect on post-partum metabolic status, bacterial elimination from the uterus nor the resumption of ovarian activity were found in the treated cows.…”

“…Limited studies were concerned to investigate the association between probiotic yeast and ruminants reproductive performance (Zouagui et al, 2017). Some of studies reported that certain strains of bacteria and yeasts have parietal structures capable of binding to mycotoxins, Zelaronen in particular, which has a positive effect on animals reproductive performance (Jouany andMorgavi, 2007 andZaleska et al, 2015).…”

Effect of diet supplementation with live yeast (Saccharomyces cerevisiae) on performance of rabbit does and their progenies

“…On the contrary, in other studies Maertens et al (1994) and Ayyat et al (1996) observed a significant (P<0.05) improvement in litter size and weight at 21 d and at weaning due to Paciflor ® and to Lacto-Sacc supplementation. Furthermore, Zaleska et al (2015) observed an increase in prolificacy in sheep fed yeast. Supplementation of rabbit does' diet with Actisaf Sc 47 did not affect the kits' weight gain in the first 21 d of age and no marked changes were observed during the last week before weaning throughout the 1 st and 2 nd cycles.…”