Effects of partial replacement of fish meal by yeast hydrolysate on complement system and stress resistance in juvenile Jian carp ( Cyprinus carpio var. Jian)

Yuan, Xiangyang; Liu, Wenbin; Liang, Chao; Sun, Cunxin; Xue, Yunfei; Zu-de, Wan; Jiang, Guang‐Zhen

doi:10.1016/j.fsi.2017.06.028

Cited by 50 publications

(32 citation statements)

References 60 publications

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“…This was particularly evident in African catfish fed with a diet that has 3 g/kg autolysed brewer's yeast inclusion. The findings in this study concur with the results in the feeding trial study of Yuan et al, () on Jian carp ( Cyprinus carpio var. Jian) using hydrolysed yeast.…”

Section: Discussionsupporting

confidence: 93%

Dietary supplementation of autolysed yeast enhances growth, liver functionality and intestinal morphology in African catfish

et al. 2020

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A feeding trial was conducted to evaluate the potential of dietary supplementation of autolysed brewer's yeast (AY) on African catfish. The catfish (22.5 ± 1.15 g/fish, 20 fish 33 L/tank) were fed with either of diets (390 g/kg crude protein, 140 g/kg lipid) supplemented with 0, 3, 6 or 10 g/kg AY (n = 3). After 49 days of feeding, the final body weight and metabolic growth rate of the catfish fed 3 g/kg AY (3‐AY) diet were higher than those fed the control diet (p < .05). The lowest level (p < .05) of alanine transaminase was detected in the blood of the catfish fed 3‐AY diet. The mid‐intestinal histology of the catfish revealed no significant difference (p > .05) in intestinal perimeter ratio. However, an elevated (p < .05) abundance of goblet cells and intraepithelial leucocytes were found in the intestine of catfish fed 3, 6 and 10 g/kg AY diets, with the highest level of abundance recorded in the mid‐intestine of the catfish fed 3‐AY diet. The results suggest that dietary 3 g/kg autolysed brewer's yeast supplementation improves growth performance of African catfish without deleterious effect on liver functionality and gut morphology.

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Section: Discussionsupporting

confidence: 93%

Dietary supplementation of autolysed yeast enhances growth, liver functionality and intestinal morphology in African catfish

et al. 2020

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“…Some studies have demonstrated that brewers yeast ( Saccharomyces cerevisiae ), yeast culture or yeast extract is able to improve growth and animal health (Chaitanawisuti, Choeychom, & Piyatiratitivorakul, ; Deng et al., ). The reasons may be due to the nutritional value of their nutrients such as proteins, vitamins and peptides in the yeast (Sweetman, ; Yuan et al., ). Moreover, different yeast products contained various immunostimulating compounds such as β‐glucans, nucleic acids, nucleotides and chitin as well as mannan oligosaccharides (MOS), and it has been observed to be capable of enhancing immune responses as well as growth of various aquatic species (Li & Gatlin, ).…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, different yeast products contained various immunostimulating compounds such as β‐glucans, nucleic acids, nucleotides and chitin as well as mannan oligosaccharides (MOS), and it has been observed to be capable of enhancing immune responses as well as growth of various aquatic species (Li & Gatlin, ). MOS derived from yeast cell wall had been proved to be effective in enhancing growth performance, improving gut morphology, modulating the intestinal microbiota and elevating immunity and stress resistance (Yuan et al., ). Yeast culture or yeast extract could inhibit growth of pathogenic microbes colonized in digestive duct, amend the structure and shape of intestine wall and attenuate the damage of fungi toxin (Marques et al., ).…”

Section: Introductionmentioning

confidence: 99%

Dietary nucleotide-rich yeast supplementation improves growth, innate immunity and intestinal morphology of Pacific white shrimp (Litopenaeus vannamei)

et al. 2018

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An 8‐week feeding trial was conducted to evaluate the effects of dietary nucleotide (NT)‐rich yeast supplementation on growth, innate immunity and intestinal morphology in Pacific white shrimp (Litopenaeus vannamei). Four isonitrogenous and isolipidic practical diets were formulated to contain 0 (control), 10, 30 and 50 g/kg of NT‐rich yeast, respectively. A total of 480 shrimp with an average initial body weight of 1.86 ± 0.02 g were randomly allocated into four groups, with four replicates per group and 30 shrimp each replicate. The results indicated that shrimp fed the diet containing 50 g/kg NT‐rich yeast had significantly higher weight gain (WG), specific growth rate (SGR) and protein efficiency ratio (PER) than those fed the control diet, and the lowest feed conversion ratio (FCR) was observed in the shrimp fed the 50 g/kg NT‐rich yeast supplemental diet. However, there was no significant difference in survival among all treatments. The crude protein of whole shrimp in the 50 g/kg NT‐rich yeast group was higher than that in the control group. Total protein, triglyceride concentrations, the activities of aspartate aminotransferase and alanine aminotransferase in serum were significantly influenced by the dietary NT‐rich yeast supplementation. The activities of serum phenoloxidase (PO) and lysozyme (LZM) of shrimp fed the diet containing 50 g/kg NT‐rich yeast were higher than those in shrimp fed the other diets. Relative expressions of alp and lzm significantly upregulated in the 30 g/kg NT‐rich yeast group compared to the control group. The intestinal fold height and fold width in the 30 g/kg NT‐rich yeast group were significantly higher than those fed the control diet; and the highest microvillus height occurred in the shrimp fed the 50 g/kg NT‐rich yeast diet. In summary, dietary 30–50 g/kg NT‐rich yeast supplementation promotes growth performance, enhances innate immunity and improves intestinal morphology of Litopenaeus vannamei.

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“…venom factor like) that also has a suggested role in complement activation [40] has a lower expression when compared to FM group. These findings are relevant as they highlight differences between the FM and FM200CU groups, indicating a systemic effect on the complement system by C. utilis without causing DI inflammation [41].…”

Section: Discussionmentioning

confidence: 99%

Candida utilis yeast as a functional protein source for Atlantic salmon (Salmo salar L.): Local intestinal tissue and plasma proteome responses

Reveco-Urzua

Hofossæter

Kovi

et al. 2019

Preprint

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2 17 Microbial ingredients such as Candida utilis yeast are known to be functional protein sources with 18 immunemodulating effects whereas soybean meal causes soybean meal-induced enteritis in the distal 19 intestine of Atlantic salmon (Salmo salar L.). Inflammatory or immunomodulatory stimuli at the local 20 level in the intestine may alter the plasma proteome profile of Atlantic salmon. These deviations can 21 be helpful indicators for fish health and therefore potential tools in diagnosis of fish diseases. The 22 present work aimed to identify local intestinal tissue responses and changes in plasma protein profiles 23 of Atlantic salmon fed inactive dry Candida utilis yeast biomass, soybean meal, or combination of 24 soybean meal based diet with various inclusion levels of Candida utilis. A fishmeal based diet was 25 used as control diet. Inclusion of Candida utilis yeast to a fishmeal based diet did not alter the 26 morphology, immune cell population or gene expression of the distal intestine, but gave a plasma 27 proteome profile different from the fishmeal based control. Lower levels of Candida utilis combined 28 with soybean meal modulated immune cell populations in the distal intestine and reduced the severity 29 of soybean meal-induced enteritis, while higher inclusion levels of Candida utilis were less effective. 30 The results suggest that Candida utilis could induce systemic responses without altering intestinal 31 morphology, and thus could be a high-quality alternative protein source with potential functional 32 properties in diets for Atlantic salmon.33 Introduction 34 The composition of feeds used in salmon aquaculture has undergone significant changes over the last 35 decades. The rapid growth in the aquaculture industry, but stable production of the major protein 36 resource, fishmeal (FM), has led to increasing use of alternatives. Alternative protein sources are 37 required to contribute to a well-balanced diet and to support optimal fish growth performance, health 38 and disease resistance. Currently, proteins derived from insects [1], terrestrial animal co-products [2, 3 39 3] and microbial ingredients [4] are considered to be valuable alternatives. In commercial diets, plant 40 derived proteins have already replaced two third of the proteins of marine origin [5].41 Plant ingredients are the most attractive protein sources due to their low cost of production, high protein 42 content and availability [6]. Inclusion of plant ingredients in salmonid feeds can, however, result in 43 reduced growth performance and feed utilization, and health issues due to anti-nutritional factors 44 (ANF) [6, 7]. ANFs in plant-based diets have been associated with detrimental effects on the intestine 45 of several salmonid species [7], and soybean meal-induced enteritis (SBMIE) is a well described 46 condition in Atlantic salmon (Salmo salar L.) [8, 9]. Currently, in commercial salmon diets, the refined 47 soy product with reduced level of ANF, soy protein concentrate, is the major protein source of plant ...

show abstract

Effects of partial replacement of fish meal by yeast hydrolysate on complement system and stress resistance in juvenile Jian carp ( Cyprinus carpio var. Jian)

Cited by 50 publications

References 60 publications

Dietary supplementation of autolysed yeast enhances growth, liver functionality and intestinal morphology in African catfish

Dietary supplementation of autolysed yeast enhances growth, liver functionality and intestinal morphology in African catfish

Dietary nucleotide-rich yeast supplementation improves growth, innate immunity and intestinal morphology of Pacific white shrimp (Litopenaeus vannamei)

Candida utilis yeast as a functional protein source for Atlantic salmon (Salmo salar L.): Local intestinal tissue and plasma proteome responses

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