Immunity and Sperm Viability in Crickets

Sperm viability and immune function, measured by lysozyme activity in crickets. Each observation is a mean for a single family of males.

Usage

Crickets

Format

A data frame with 41 observations on the following 2 variables.

sperm.viability

a numeric vector

lysozyme

a numeric vector

Source

Simmons, L.W. and B. Roberts. 2005. Bacterial immunity traded for sperm viability in male crickets. Science 309: 2031.