Ankara Üniversitesi Veteriner Fakültesi Dergisi

Abstract

Four feniale sheep were fitted It'ith rumeli canııulas and
abomasal and ileal infusioıı eatlıeters,' one of the sheep ıms alsa fitted
with a cannula at the caeeıım. All animals ıvere nourished wlıolly by
intragastric infiısion of nutrieııts. Solııtions of volatile fatty adds. buffer
aııd major minerals \Vere infused into tlıe rumen aııd caseiıı infused iııto the abomasum. All animals were received three levels of nutriem iııfusioıı into tlıe termiııal ileımı iıı oı'der to aclıieve dil/erenf levels of hiııdgut fermeııtation. The ileal infıısion treatments were (I) ",:ater i/?lusiol (2) 25 g / d slarclı and 50 g / d cel/ulose in/ifsion,. (3) 50 g / d sloı'clı and
50 g / d ('cl/ulose injiısion. The firsı 7 days sened as ıhe preliminary period
in whiclı animals ırere adiusıed lo ıhe prescribed level of'hind-guı inji{~ion
a/ier digesıibility and N-balance 1ןIcasurement days i5- i9 inclusive
constituled a nilrogen~fj'ee period in which faeces and urine were collected and alUT1ysedon a daily basis to esIabIish endogenous urinary nitrogen
excretion. 3 '.,< 3 Latin square design IHIS used with treatment period.ı'
(ıl3 weeks durations Overalımean value of' endogenous urinary nitrogen
(EV N) excretion of ıhe three treatment groups ıras 206 mg N,I kg
0.75/ d and ıhere was no signifıcant effeet ol hind-guı lermentation
on EVN excret;on. During N-Free regime faecal N and total excretiOlI
of N increased ;n the presence of' a hind-gl/t fermentalion.