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Age as a factor influencing the power and sensitivity of experiments for assessing body weight, testis size, and spermatogenesis in rats
Experimental design daily sperm production spermatogenesis testes
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2009/2/6
Data from 25 rats aged 60, 150, or 240 days (n = 75) were used to determine the number of observations per rat and or rats per treatment group needed to provide future experiments of known power and...
Design of experiments for evaluating frozen sperm
experiments evaluating frozen sperm
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2009/2/6
This paper describes the difficulties encountered in evaluating frozen sperm in both animal and human experiments, and discusses the principles of experimental design used to overcome them. Issues i...