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by
Adil Erdem Akin |
Total Records (
1 ) for
Adil Erdem Akin |
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Kemal celik
,
Ahmet Uzatici
and
Adil Erdem Akin
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One hundred and fifty broilers (1-day-old) were randomly
allocated to 4 treatments, each of which had individual pens of 50 chicks
and were used to investigate the effects of humic acid (HA) Saccharomyces
cerevisiae (SC extract (YE), 2x108 cfu g-1)
on growth performance and immunity. All animals received the same basal
diet based on corn and soybean meal and while HA was added to the basal
diet at 0.25% and YE 0.25%, respectively. The following diet treatments
were applied: (1) Basal diet + 0 additives, (2) Basal diet 0.25% HA kg
of feed (3) Basal diet 0.25% YE kg of feed (4) Basal diet 0.25% HA+0.25%
YE kg of feed. Each experimental group was fed ad libitum with
its own diet for 42 days. During the experiment the chicks were reared
at conventional ambient temperature (from 30°C reducing to 21°C
by 3°C/week) and relative humidity of 60-70%. Light was provided
24 h in a day. Performance data of each replicate was determined weekly
during the experiment. All chicks were slaughtered when end of 6 weeks.
Blood samples from 30 birds in each group was collected by branchial vein
and were analyzed for serum biochemical values, enzyme activities and
performance characteristics were measured. Body weight, body weight gain,
feed intake and carcass weight were positively influenced (p < 0.05)
by HA supplementation (0.25%) during the experiment. Difference among
the groups in terms of gizzard, liver and biochemical parameters such
as WBC, Heterophil, Lymphocyte, Monocyte, RBC, HCT were not statistically
important among different treatment groups (p < 0.05). But, Glucose
and BUN levels were significantly decreased in groups HA and YE (p <
0.05). ALP, ALT, Fe, Ca, P were not statistically significant among groups. |
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