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Immunocompetence in young and old laying hens in response to dietary folic acid and Escherichia coli lipopolysaccharide challenge

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dc.contributor.supervisor Rodriguez-Lecompte, J.C. (Animal Science) en_US
dc.contributor.author Munyaka, Peris Mumbi
dc.date.accessioned 2012-09-06T20:44:59Z
dc.date.available 2012-09-06T20:44:59Z
dc.date.issued 2012-09-06
dc.identifier.uri http://hdl.handle.net/1993/8612
dc.description.abstract We investigated the effects of dietary folic acid and age, on immunological parameters in laying hens challenged with LPS. 48 Shaver White hens at different ages were fed 2 wheat-soybean based diets with 0 or 4 mg supplemental FA per kg of diet for 8 wk. 6 hens from each dietary treatment were injected with 8 mg/kg body weight of LPS or saline and observed for 4 h. A few diet X challenge interaction were observed in young hens, whereas FA and LPS independently influenced a number of parameters. In older hens, there were very few diet X challenge interactions as well as effects of FA, whereas LPS affected several parameters. In conclusion, dietary FA influenced some immune responses in younger hens, but no such effects were observed in older hens. FA may modulate immune responses in laying hens under acute LPS challenge which could be tissue and age dependent. en_US
dc.rights info:eu-repo/semantics/openAccess
dc.subject folic acid en_US
dc.subject lipopolysaccharide en_US
dc.subject immune response en_US
dc.subject laying hen en_US
dc.subject age en_US
dc.title Immunocompetence in young and old laying hens in response to dietary folic acid and Escherichia coli lipopolysaccharide challenge en_US
dc.type info:eu-repo/semantics/masterThesis
dc.type master thesis en_US
dc.degree.discipline Animal Science en_US
dc.contributor.examiningcommittee House, J.D (Animal Science and Human Nutrition) Nyachoti, C.M (Animal Science) O, Karmin (Animal Science and Physiology) Holley, Rick (Food Science) en_US
dc.degree.level Master of Science (M.Sc.) en_US
dc.description.note October 2012 en_US


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