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| Articles
by
A.H. Piray |
Total Records (
2 ) for
A.H. Piray |
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A.H. Piray
,
H. Kermanshahi
,
A.M. Tahmasbi
and
J. Bahrampour
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Effects of matured caecal cultures (probiotic) of broiler
breeders and Aspergillus meal prebiotic (Fermacto) on growth performance
and organ weights of broiler chickens were studied from 1 to 42 days of
age. 432 day-old Ross male broiler chickens were used in a 3×3 factorial
arrangement with three levels of cecal cultures (0.0 , 5.0 and 10.0 mg
L-1 in drinking water up to 7 days of age) and three levels of
Aspergillus meal, Fermacto (0.0, 1.5 and 3.0 g kg-1) in 4
replicates (12 chickens per replicate) per treatment. The parameters,
including Feed Intake (FI), Body Weight Gain (BWG) and Feed Conversion
Ratio (FCR) were measured weekly during trial and weight of organs were
measured at the end of the experiment. A significantly higher (p<0.01)
BWG was found in 1.5 g kg-1 Fermacto-fed broilers as compared
to control broilers at 14-21 days of age. The BWG was also significantly
higher (p<0.01 ) in Fermacto-fed broilers as compared to control
treatment at 21-28, 28-35 and 35-42 days of age, overall growing (21-42 d)
and rearing periods (0-42 d). FI was significantly (p<0.01) higher for
1.5 g kg-1 Fermacto-fed broilers than that of control broilers
at 14-21 and 0-21 days of age. FI was significantly greater (p<0.01 )
in Fermacto-fed broilers than that of control at 21-28, 28-35 and 35-42
days of age, during growing (21-42 d) and experimental (0-42 d) periods.
FCR was improved significantly (p<0.05) by 3 g kg-1 Fermacto
as compared to control at fist week. FCR was decreased significantly
(p<0.05) in Fermacto-fed broilers as compared to control broilers at
21-28, 21-42 and 0-42 day of age. Relative weight of breast and thigh to
body weight were significantly (p<0.01) higher in Fermacto-fed broilers
as compared to control group. Cecum was significantly (p<0.01) longer
in 10 mg L-1 of cecal contents and 1.5 g kg-1
Fermacto-fed broilers than those of other treatments. |
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A.H. Piray
and
H. Kermanshahi
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This experiment was conducted to investigate the effects
of Aspergillus meal prebiotic (Fermacto) on production performance,
serum lipids and immune responses in broiler chickens. One hundred and
forty four day-old Ross male broiler chicks were randomly assigned to
three dietary treatments: a basal diet (control), a basal diet with 0.15%
Fermacto and basal diet with 0.30% Fermacto. The production parameters,
including Feed Intake (FI), Body Weight Gain (BWG) and Feed to Gain Ratio
(FCR) were monitored weekly serum lipids, antibody productions and antibody
titer against Infectious Bursal Virus Disease (IBVD) were measured at
the end of a 6 week trial. At 28 days of age, four birds from each replicate
of treatments were injected intrabreast with 0.2 mL of 5% Sheep Red Blood
Cell (SRBC). The supplementation of 0.30% Fermacto in broiler diets improved
the body weight gain from 21-28 and 35-42 days of age (p<0.05). The
BWG was also significantly higher (p<0.01) in Fermacto-fed broilers
than that of control treatment at 28-35 days of age, overall growing (21-42
day) and rearing (0-42 day) periods. FI was significantly (p<0.05)
higher for 0.15% Fermacto-fed broilers than that of control broilers at
14-21 and 0-21 days of age. FI was significantly greater (p<0.05) in
0.30% Fermacto-fed broilers compared to control broilers at 35-42 days
of age, during growing (21-42 day and rearing (0-42 day) periods. From
28-35 days of age, a lower FCR (p<0.05) was observed with 0.15% Fermacto
when compared with control group. There were also no significant differences
in total cholesterol, high density lipoprotein cholesterol (HDL-cholesterol),
low density lipoprotein cholesterol (LDL-cholesterol) and triglycerides
among treatments. Dietary Fermacto did not affect antibody titer against
IBVD. The serum IgG, IgA and IgM production significantly (p<0.01)
decreased in Fermacto-fed broilers as compared to control broilers. |
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