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Sep 2026
Optimal Dietary Vitamin A Fortification Improves Growth Performance, Nutrient Metabolism, Antioxidant Capacity, Immune Response, and Histomorphology in Intensively Cultured Litopenaeus vannamei
Vitamin A (VA) functions as a vital micronutrient supporting growth, immune competence, and stress tolerance in shrimp, though its requirement under industrial high-density rearing conditions has not been established. This study assessed how graded dietary VA levels affect growth, nutrient metabolism, antioxidant capac...
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· Animals · 0 citations
Open access
Sep 2026
Dietary Folic Acid Modulates Growth Performance, Expression of Antioxidant- and Immune-Related Genes, and Response to Acute Hepatopancreatic Necrosis Disease in Pacific White Shrimp (Penaeus vannamei)
This study evaluated the effects of dietary folic acid supplementation on growth performance, antioxidant- and immune-related gene expression, and the response to acute hepatopancreatic necrosis disease (AHPND) in Pacific white shrimp (Penaeus vannamei). Juveniles (12 shrimp per tank; four replicate tanks per treatment...
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· Aquaculture Journal · 0 citations
Open access
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Dose-dependent effects of hydrolysed yeast on gut microbial diversity, growth performance, antioxidant activity, and meat quality in densely stocked broilers
The search for effective alternatives to antibiotic growth promoters (AGP) has intensified due to increasing concerns regarding antimicrobial resistance and antibiotic residues in poultry products. Hydrolysed yeast (HY) has emerged as a promising functional feed additive with potential benefits for growth performance,...
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Open access
Aug 2026
Interactive effects of rearing densities and dietary vitamin E levels on growth, stress, and immune responses, and antioxidant status in triploid rainbow trout (Oncorhynchus mykiss)
This study aimed to evaluate the interactive effects of rearing densities and supra‐nutritional levels of vitamin E on fish performance. Triploid rainbow trout juveniles (40.44 ± 1.27 g) were distributed into 18 tanks at medium (MD, 30 kg/m3, 45 fish/tank) and high (HD, 60 kg/m3, 90 fish/tank) densities. The trial was...
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Open access
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Effects of Different Doses of a Novel Fungal Phytase on Growth Performance, Phosphorus Metabolism, Tibia Development, and Nutrient Digestibility of Broilers
A novel fungal phytase (NFP) was evaluated for its effects on growth performance, phosphorus (P) metabolism, tibia development, and nutrient digestibility in broilers. A total of 420 one-day-old Arbor Acres broilers were randomly assigned to seven treatments: a negative control (basal diet without phytase), a positive...
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Open access
Aug 2026
Effects of yeast-derived nucleotides and RNA on growth, nutrient digestibility, hematology and immune response to LPS challenge in Nile tilapia (Oreochromis niloticus)
Dietary nucleotides are functional feed additives that may improve fish health and physiological performance, although their efficacy can vary according to the nucleotide source. This study evaluated the effects of dietary supplementation with yeast ( Saccharomyces cerevisiae ) RNA (YR) and yeast-derived free nucle...
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