1974
DOI: 10.3382/ps.0530830
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Increased Embryonic Loss in Chickens From 0.05% Dietary Caffeine

Abstract: White Leghorn pullets were fed standard laying rations supplemented with 0.0%, 0.05%, and 0.1% levels of dietary caffeine. There was no statistical difference in fertility among the three groups. Embryonic loss in eggs from pullets fed 0.05% caffeine was between values previously reported for 0.0% and 0.1% dietary caffeine. This suggests that embryonic mortality increases as levels of caffeine are increased in the diet up to 0.1%.

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Cited by 3 publications
(2 citation statements)
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“…Caffeine causes embryonic mortality in hens at levels of 0.05 and 0.1%. Those fed with the highest level produced a 38.2% mortality rate (Ax et al, 1974). Caffeine given to males decreased semen output and sperm concentration dropped markedly.…”
Section: Component Fresh Dehydrated Naturally Fermented and Dehydrated -mentioning
confidence: 96%
“…Caffeine causes embryonic mortality in hens at levels of 0.05 and 0.1%. Those fed with the highest level produced a 38.2% mortality rate (Ax et al, 1974). Caffeine given to males decreased semen output and sperm concentration dropped markedly.…”
Section: Component Fresh Dehydrated Naturally Fermented and Dehydrated -mentioning
confidence: 96%
“…Decreases in litter size and increases in fetal résorption resulted when caffeine was injected into pregnant rodents (Nishimura & Nakai, 1960; Gilbert & Pistey, 1973). Dietary caffeine (0-05 and 0-1 %) had no effect on fertility when fed to domestic hens, but a significant increase in embryonic mortality was attributed to caffeine (Ax, Bray & Lodge, 1974a;Ax, Lodge & Bray, 1974b). The amount of damage to cells and organisms was found to be dependent on the caffeine dose in all the studies mentioned above.…”
Section: Introductionmentioning
confidence: 98%