Cover Research Fish and Shrimp Feed

FISH & SHRIMP | HEMOGLOBIN | DIGESTIBILITY

Suitability of blood by-products for use as a sustainable protein source in diets for rainbow trout depends on processing method.

Conference Abstract
European Society of Veterinary and Comparative Nutrition (ESVCN) 2020

Fish meal is considered an essential ingredient in feed for farmed carnivorous fish. As demands outgrew availability of fish meal produced from bycatch and trimmings, forage fish is purposecaught to fill the gap. This led to rising feed costs and growing concerns on environmental sustainability of cultured fish, driving the industry to search for sustainable, cost-effective alternative protein sources1. For this purpose, low-ash animal by-products may be suitable ingredients for partial replacement of fish meal in aquafeed. We here evaluate the effect of processing method of porcine blood by-products on protein digestibility in trout: spray drying versus contact drying.

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