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Effect of Young Grass in the Diet on the Onset of Sexual Maturity in Mice


THE superior nutritive qualities of spring grass as compared with the autumn growth or aftermath, etc., have been attributed to a better and more varied supply of basic nutrients (for example, amino-acids) in the former1. While there is undoubtedly some truth in this, it has been slowly realized that the phenomenon may be more complex, and that there are factors in young grass which influence the endocrine system in such a way as to have a direct bearing on productivity (growth, meat and milk) as well as on reproduction (œstrous cycle)2.

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EVANS, I., EVANS, W. Effect of Young Grass in the Diet on the Onset of Sexual Maturity in Mice. Nature 163, 908–909 (1949).

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