In vitro production of spotted sorubim (Pseudoplatystoma corruscans) fish silage supplemented with different levels of hydrolyzed corn starch or sugar cane molasses using five different species of lactic acid bacteria

IF 2.5 2区农林科学 Q1 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Animal Feed Science and Technology Pub Date : 2025-04-12 DOI:10.1016/j.anifeedsci.2025.116346

Rosmarie Guedes de Oliveira , Márcia Regina Russo , Gustavo Graciano Fonseca

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Abstract

Fish processing generates a substantial amount of waste, leading to environmental concerns and economic losses. This study focuses on the valorization of co-products (mechanically separated meat (MSM) and protein concentrate (PC)) from spotted sorubim (Pseudoplatystoma corruscans) processing to produce biological silage. Substrates were supplemented with hydrolyzed corn starch (HCS) or sugarcane molasses (SCM) and inoculated with Pediococcus acidilactici, Oneococcus oeni, Lactobacillus sakei, Weissela viridensis or Lactobacillus acidophilus NRRL B-23431. Fermentations were conducted at 30°C for 4 days. Microbial counts (lactic acid bacteria, mesophilic bacteria, yeasts and molds), and proximate composition of the silages were analyzed. P. acidilactici exhibited robust growth in treatments containing 20 % and 10 % SCM across both MSM- and PC-based media, suggesting that HCS was not an effective growth inducer. On the other hand, L. sakei exhibited limited growth in all substrates. Moisture contents ranged from 78.50 % to 86.70 % and protein content from 26 % to 68 %. Lipid decreased during fermentation. The rapid metabolic activity at short fermentation times was very important to add value to these products, making the silages suitable for animal feed.

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利用五种不同种类的乳酸菌体外生产添加了不同水平水解玉米淀粉或甘蔗糖蜜的斑点苏木（Pseudoplatystoma corruscans）鱼青贮饲料

鱼类加工产生大量废物，导致环境问题和经济损失。本研究的重点是斑点sorbibim （Pseudoplatystoma corruscans）加工的副产品（机械分离肉（MSM）和蛋白质浓缩物（PC））的价值。底物中添加水解玉米淀粉（HCS）或甘蔗糖蜜（SCM），并接种酸碱Pediococcus acilactii、Oneococcus oeni、Lactobacillus sakei、Weissela viridensis或嗜酸乳杆菌NRRL B-23431。在30℃条件下发酵4天。微生物计数（乳酸菌、中温细菌、酵母菌和霉菌）和青贮的近似组成进行了分析。在MSM和pc培养基中，P. acidilactii在含有20% %和10% % SCM的处理下均表现出强劲的生长，这表明HCS不是一种有效的生长诱导剂。另一方面，L. sakeii在所有基质上均表现出有限的生长。水分含量为78.50 % ~ 86.70 %，蛋白质含量为26 % ~ 68 %。脂质在发酵过程中降低。在短发酵时间内的快速代谢活性对这些产品的附加值非常重要，使青贮饲料适合动物饲料。

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来源期刊

Animal Feed Science and Technology 农林科学-奶制品与动物科学

CiteScore

6.00

自引率

6.20%

发文量

266

审稿时长

3 months

期刊介绍： Animal Feed Science and Technology is a unique journal publishing scientific papers of international interest focusing on animal feeds and their feeding. Papers describing research on feed for ruminants and non-ruminants, including poultry, horses, companion animals and aquatic animals, are welcome. The journal covers the following areas: Nutritive value of feeds (e.g., assessment, improvement) Methods of conserving and processing feeds that affect their nutritional value Agronomic and climatic factors influencing the nutritive value of feeds Utilization of feeds and the improvement of such Metabolic, production, reproduction and health responses, as well as potential environmental impacts, of diet inputs and feed technologies (e.g., feeds, feed additives, feed components, mycotoxins) Mathematical models relating directly to animal-feed interactions Analytical and experimental methods for feed evaluation Environmental impacts of feed technologies in animal production.