Winter nutrition that keeps your trout growing

nov. 19, 2025
2 min read

Specialized BioMar feeds designed for performance, resilience, and efficiency in cold-water conditions

Winter brings real challenges for trout farmers. As temperatures drop, metabolism slows, appetite declines, and maintaining growth can feel like an uphill battle. BioMar’s winter feeds are developed to keep your fish progressing through the toughest months delivering reliable intake, efficient conversion, and strong resilience all winter long.

Our Winter edition feeds are formulated specifically for cold-water performance, helping secure feed intake, maintain fish condition, and support immune function when temperatures are at their lowest. With extra vitamins C and E and a winter-adapted nutritional profile, they help trout stay stable and ready for rapid growth when spring arrives.

Available in both EFICO Enviro 920 Advance Winter and EFICO Alpha 790 Winter.

EFICO Enviro 920 Advance Winter

High digestibility & energy density - Helps trout maintain steady growth even when metabolism drops.

Unique low-melting-point oil blend - Ensures excellent fat digestibility and maximizes energy availability in cold temperatures.

Sustainably sourced krill meal - Enhances palatability and stimulates appetite for consistent feed intake.

Extra vitamins C & E - Strengthens immune function and boosts resilience during winter stress.

EFICO ALPHA 790 winter edition

Medium-high digestible energy for sustained growth during periods of reduced feeding activity.

Optimized protein-to-energy ratio for consistent feed conversion and balanced metabolism.

Extra vitamins C and E to enhance stress resistance, antioxidant protection, and immune health in winter conditions.

Improved digestibility and solid feces formation, supporting clear water and efficient biofilter performance.

Quality you can trust 

All marine ingredients originate from MSC and MarinTrust certified fisheries. \ Plant-based raw materials are carefully chosen from certified non-GMO suppliers. \ Each ingredient is fully traceable and meets strict BioMar standards for quality, safety, and sustainability. Produced under ASC, ISO 9001, GLOBALG.A.P., and BAP certified systems for feed and food safety. 

Proven performance from a trusted partner - Developed by BioMar, a global leader in aquafeeds. Backed by over 60 years of research in fish nutrition and farming efficiency. 

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