| 摘要 |
A method of maintaining hens or other domesticated birds for egg production, comprises giving the birds feed supplemented with gamma -linolenic acid or one or more higher acids in the n-6 series, in the form of the free acid or as an ester, amide, phospholipid, salt or other physiologically acceptable derivative convertible in the bird's body to, or having the effect of, the free acid. |
