Alimentação dos marrecos II: ração de marrecas para postura - Ração balanceada x Ração grosseira, barata

Resumen

The author studied in this paper the substitution of a balanced ratio for an economic ratio composed of 50% of sugar beet and 50% of balanced ratio, in feeding ducks egg production. It was found that the combination had no advantage since the production of eggs was very much reduced.