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Male body size and condition affects sperm number and production rates in mosquitofish, Gambusia holbrooki

O'Dea, Rose; Jennions, Michael; Head, Megan


Sperm number is an important predictor of paternity when there is sperm competition. Sperm number is often measured as maximum sperm reserves, but in species where mating is frequent, males will often be replenishing their reserves. Thus, variation in how quickly males can produce sperm is likely to be important in determining male success in sperm competition. Despite this, little is known about how male size, body condition or diet affects sperm production rates. We counted sperm number in...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Journal of Evolutionary Biology
DOI: 10.1111/jeb.12534


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