Swine growth promoters and method of promoting swine growth
View Patent ↗A pig growth enhancer, which comprises, as an active ingredient, at least one compound selected from 5-aminolevulinic acid, a derivative thereof and a salt thereof, and a method for enhancing pig growth, which comprises administering the growth enhancer to a pig.
1. A method for enhancing pig growth, which comprises administering to a pig an effective amount of a growth enhancer comprising at least one compound selected from 5-aminolevulinic acid, 5-aminolevulinic acid ester, N-acyl-5-aminolevulinic acid or N-acyl-5-aminolevulinic acid ester or a salt thereof, wherein the effective amount of the growth enhancer is given in a single dose which is 1 μg to 50 mg per 1 kg pig body weight.
2. The method according to claim 1 , wherein the growth enhancer further comprises an iron component.
3. A method for enhancing pig growth, which comprises administering to a pig an effective amount of a growth enhancer comprising at least one compound selected from 5-aminolevulinic acid, 5-aminolevulinic acid ester, N-acyl-5-aminolevulinic acid or N-acyl-5-aminolevulinic acid ester or a salt thereof, wherein said administering is oral administering.
4. The method according to claim 3 , wherein the growth enhancer further comprises an iron component.