Production of milk including a lot of alpha-linolenic acid for which perilla oil was utilized to feed of lactating dairy cows
2006
Kurihara, Y.(Fukui-ken. Animal Experiment Station, Mikuni (Japan)) | Yoshida, Y.
Fourteen multiparous Holstein cows were assigned to controls or treatments. Treatments were fed with basic feed and 350g of calcium salts of perilla seed oil, and controls were fed only with basic feed. In the mid of this experiment period, basic feed changed from grass silage into corn silage. Treatments had no effect on milk production, fat, protein or lactose. Milk urea nitrogen decreased in treatments. In treatments, alpha-linolenic acid content in milk fat increased. The effect of perilla seed was not affected by silage species (grass or corn) and continued to the end of the experiment period. In the next week of this experiment end, content of alpha-linolenic acid in milk was decreased to the same level as of controls. During this experiment period, alpha-linolenic acid in milk fat increased by 1.3 times.
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