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  • Effect of age on apparent digestibility of fatty acids (FA) was investigated from the 2nd till the 42nd day using Ross chickens fed ad libitum by a commercial feed mixture. Digestibility of all FA rapidly decreased from Day 2 to Day 4. This drop was followed by an increase till Day 8. Observed changes is possible to explain on the basis of excretion of endogenous nutrients originating primarily from the yolk sac. Within the period of Days 9 to 42, coefficients of all saturated (SFA) and monounsaturated (MUFA) fatty acids (with exception of C20:1 n-9) significantly (P<0.001) decreased with age. Changes in digestibility of linoleic, a-linolenic, arachidonic, and docosahexaenoic acid were very small (P>0.05). Digestibility of eicosapentaenoic acid increased highly significantly; the daily increase was 1.09 per cent. Mean value of polyunsaturated (PUFA) digestibility was higher (P<0.001) than those of MUFA and SFA. (en)
  • Změny bilanční stravitelnosti FA v prvých 8 dnech života mohou být spojovány s vylučováním mastných kyselin pocházejících ze žloutkového vaku. Ve 2. až 6. týdnu života se stravitelnost SFA a MUFA průkazně snižuje. S výjimkou kyseliny eikosapentaenové se stravitelnost všech PUFA ve 2. až 6. týdnu věku nemění. Stravitelnost kyseliny eikosapentaenové se během výkrmu zvyšuje. Stravitelnost PUFA je průkazně vyšší než stravitelnost ostatních mastných kyselin
Title
  • Effect of age on digestibility of fatty acids in chickens (en)
  • Vliv věku kuřat na stravitelnost mastných kyselin.
  • Vliv věku kuřat na stravitelnost mastných kyselin. (cs)
skos:prefLabel
  • Effect of age on digestibility of fatty acids in chickens (en)
  • Vliv věku kuřat na stravitelnost mastných kyselin.
  • Vliv věku kuřat na stravitelnost mastných kyselin. (cs)
skos:notation
  • RIV/62156489:_____/03:23200034!RIV/2004/MSM/430004/N
http://linked.open.../vavai/riv/strany
  • 9;11
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM 432100001)
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  • 633666
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  • RIV/62156489:_____/03:23200034
http://linked.open...riv/jazykVysledku
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  • chickens; age; digestibility; fatty acids (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [5060B2C4AF53]
http://linked.open...v/mistoKonaniAkce
  • Praha; ČZU
http://linked.open...i/riv/mistoVydani
  • Praha
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  • Současnost a perspektivy chovu drůbeže
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http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Zelenka, Jiří
  • Fajmonová, Eva
  • Kladroba, David
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
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  • Česká zemědělská univerzita v Praze
https://schema.org/isbn
  • 80-213-1037-5
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