Sperm competition and ejaculate economics
Sperm competition was identified in 1970 as a pervasive selective force in post‐copulatory
sexual selection that occurs when the ejaculates of different males compete to fertilise a …
sexual selection that occurs when the ejaculates of different males compete to fertilise a …
Sexual selection and sperm quantity: meta‐analyses of strategic ejaculation
CD Kelly, MD Jennions - Biological Reviews, 2011 - Wiley Online Library
Multiple mating or group spawning leads to post‐copulatory sexual selection, which
generally favours ejaculates that are more competitive under sperm competition. In four …
generally favours ejaculates that are more competitive under sperm competition. In four …
[图书][B] Reproductive biology of teleost fishes
RJ Wootton, C Smith - 2014 - books.google.com
Reproductive Biology of Teleost Fishes is the first integrated review of the reproductive
biology of the bony fishes, which are the most species-rich and diversified group of …
biology of the bony fishes, which are the most species-rich and diversified group of …
10· Alternative reproductive tactics in fish
M Taborsky - Alternative reproductive tactics an integrative approach, 2008 - cambridge.org
Among vertebrates, fish show by far the greatest variability of alternative reproductive tactics
(ARTs). Usually, males attempting to monopolize access to females or fertilizations are …
(ARTs). Usually, males attempting to monopolize access to females or fertilizations are …
The influence of operational sex ratio on the intensity of competition for mates
The evolution and maintenance of secondary sexual characteristics and behavior are
heavily influenced by the variance in mating success among individuals in a population. The …
heavily influenced by the variance in mating success among individuals in a population. The …
Polyandry as a mediator of sexual selection before and after mating
C Kvarnemo, LW Simmons - … Transactions of the Royal …, 2013 - royalsocietypublishing.org
The Darwin–Bateman paradigm recognizes competition among males for access to multiple
mates as the main driver of sexual selection. Increasingly, however, females are also being …
mates as the main driver of sexual selection. Increasingly, however, females are also being …
The sperm factor: paternal impact beyond genes
S Immler - Heredity, 2018 - nature.com
The fact that sperm carry more than the paternal DNA has only been discovered just over a
decade ago. With this discovery, the idea that the paternal condition may have direct …
decade ago. With this discovery, the idea that the paternal condition may have direct …
Sophisticated sperm allocation in male fowl
When a female is sexually promiscuous, the ejaculates of different males compete for the
fertilization of her eggs; the more sperm a male inseminates into a female, the more likely he …
fertilization of her eggs; the more sperm a male inseminates into a female, the more likely he …
Hormonal manipulations for the enhancement of sperm production in cultured fish and evaluation of sperm quality
CC Mylonas, NJ Duncan, JF Asturiano - Aquaculture, 2017 - Elsevier
This article reviews the use of hormonal treatments to enhance sperm production in
aquaculture fish and the methods available for evaluating sperm quality. The different types …
aquaculture fish and the methods available for evaluating sperm quality. The different types …
Image content influences men's semen quality
SJ Kilgallon, LW Simmons - Biology Letters, 2005 - royalsocietypublishing.org
There is increasing evidence from non-human animals that males adjust their ejaculate
expenditure according to the risk of sperm competition. In this study we show that, after …
expenditure according to the risk of sperm competition. In this study we show that, after …