lbrahlm, F., Abd El-Azeem, S., Mouse, K., El-Hosseiny, H. (2006). IMPACT OF USING FEED ADDITIVES WITH CORN STOVER SILAGE IN LAMB RATIONS _ ON PERFORMANCE, DIGESTIBILITY, RUMEN ACTIVITY, SOME BLOOD CONSTITUENTS AND CARCASS TRIATS.. Journal of Animal and Poultry Production, 31(5), 2671-2686. doi: 10.21608/jappmu.2006.235475
Fathia A. lbrahlm; Safaa N. Abd El-Azeem; KH. M.M. Mouse; Hoda M. El-Hosseiny. "IMPACT OF USING FEED ADDITIVES WITH CORN STOVER SILAGE IN LAMB RATIONS _ ON PERFORMANCE, DIGESTIBILITY, RUMEN ACTIVITY, SOME BLOOD CONSTITUENTS AND CARCASS TRIATS.". Journal of Animal and Poultry Production, 31, 5, 2006, 2671-2686. doi: 10.21608/jappmu.2006.235475
lbrahlm, F., Abd El-Azeem, S., Mouse, K., El-Hosseiny, H. (2006). 'IMPACT OF USING FEED ADDITIVES WITH CORN STOVER SILAGE IN LAMB RATIONS _ ON PERFORMANCE, DIGESTIBILITY, RUMEN ACTIVITY, SOME BLOOD CONSTITUENTS AND CARCASS TRIATS.', Journal of Animal and Poultry Production, 31(5), pp. 2671-2686. doi: 10.21608/jappmu.2006.235475
lbrahlm, F., Abd El-Azeem, S., Mouse, K., El-Hosseiny, H. IMPACT OF USING FEED ADDITIVES WITH CORN STOVER SILAGE IN LAMB RATIONS _ ON PERFORMANCE, DIGESTIBILITY, RUMEN ACTIVITY, SOME BLOOD CONSTITUENTS AND CARCASS TRIATS.. Journal of Animal and Poultry Production, 2006; 31(5): 2671-2686. doi: 10.21608/jappmu.2006.235475
IMPACT OF USING FEED ADDITIVES WITH CORN STOVER SILAGE IN LAMB RATIONS _ ON PERFORMANCE, DIGESTIBILITY, RUMEN ACTIVITY, SOME BLOOD CONSTITUENTS AND CARCASS TRIATS.
Animal Production Research Institute. Agricultural Research Center. Dokki, Cairo. Egypt.
Abstract
Sixteen Ossimi male lambs weighed 21.69 kg on average and aged 5 months
were used in a 204 days feeding trial. Animals were randomly divided into four equal
groups (4 animals each ) to study the effect of feeding corn stover silage with different
feed additives on nutrients digestibility. performance. carcass characteristics and
feed efficiency in growing lambs. The experimental lambs were randomly assigned
into four experimental rations with or without feed additives. The first grOUp was
considered as control (A) and fed at 1% of live body weight ( LBW) CFM (concentrate
feed mixture) plus 1% of LBW corn stover silage and rice straw ad lib without feed
additive. While. the other three groups received the control ration plus 59 l h! at More
—- yeast (MY). 5g ihld Dina-fen'n (DF) and 59 (hid Biodian (BO) for B. C and D groups,
respectively.
Results showed that MY.DF and BO supplementation with lambs rations did
not show any Affect on nutrients digestibility of DM, OM. CP. EE and NFE . On the
other hand. the CF digestibility was significantly (P<0.05) higher with MY,DF and BO
supplementation compared with the control ration.
TDN values ranged between 60.33 and 61.68%.The lowest value was recorded
with both rations of C and A (control) ; while. D and B rations had the highest value .
DCP percentage tended to decreased with rations supplemented with MY,DF and BO
than that in the control ration. However. TDN and DCP values did not significantly
influence by the supplementations.
Supplemented MY, DF and BO rations had lower ruminal pH at zero. 3 and 6
hrs. in all groUps (except with those fed D ration at 6 hrs.) compared with the control
group. Supplemented rations with MY and DF had significantly (Ps0.05) lower NHg-N
concentration at 3 hrs. than those fed the control ration. Also, ration D gave lower
NHa-N concentration. but with no significant difference. compared with the control
ration. Whereas.NH3-N concentrations at 6 hrs. post feeding were significantly
(Ps0.05) decreased with C and D rations compared with those fed both the control
(A) and B rations. Although, ruminal TVFA's values at 3 hrs post feeding were
significantly (P< 0.05) higher for ration C supplemented with DF and significantly
(P< 0.05) lower for ration B than the control (A) and D rations. Moreover. ruminal
TVFA's values at 6 hrs. post feeding were significantly (P: 0.05) higher for ration D
and significantly lower for ration B then the control and C rations .
Results showed no significantly differences between the tested groups and the
control group in blood serum total protein ,globulin and urea concentration .While.
animals fed B and C rations recorded significant (ps0.05) decrease in concentration
of serum albumin (3.72 and 3.30 gidl .respectively) compared to the control group < /p>
(4.83 gidl ) and insignificant decrease with those fed D ration (4.33 gidl). .
The decreases in DM intake (kgfhid) recorded with lambs fed C and D rations
were 7. 40 and 2.61% .respectiveiy compared with those fed A ration (control) . TDN
intake (kgrhld) was needy similar in all groups : while. DCP intake ( kgihid) was higher
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