| 摘要 |
A process is described for converting plant residues and wastes, such as those of labiateae from which essential oils have been extracted by steam distillation and pea and bean haulms, into an animal foodstuff. Plant material, comprising the residues or wastes is subjected to shock-drying to reduce the moisture content in minimum time to a value not above 10% by weight. The dried material is then ground so that 98 to 100% of the material has a size below 2mm., preferably 1mm, and at least 8% of the material has a size above 0.5 mm. The ground material is then sieved and a sieve fraction with a size inthe range of 0.35 to 0.75 mm., depending upon the starting material is separated. The sieve fraction with a grain size below the separated sieve fraction constitutes the desired foodstuff which may be pelletised alone or with other feed components. |
