[Damage done in trout fisheries by dry food mixes].
D000821:Animal Feed; D000818:Animals; D005398:Fisheries; D005399:Fishes; D005502:Food; D005860:Germany, West; D009748:Nutrition Disorders / Q000209:etiology*
Dommages causés à des élevages de truites par des mélanges d'aliments secs.