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دراسة تأث رٌ استخدام الأقلمة ومستخلص عرق السوس و ب كٌاربونات الصود وٌم للتقل لٌ من الأثر السلب للإجهاد الحراري على بعض الصفات الإنتاج ةٌ لفروج اللحم
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.cirgA fo .J aimatoposeM )enilnO(6979-4222:NSSI 3102 )4( .oN )14( .loV )tnirP( x613-5181 :NSSI 3102)4) (14 (
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ISSN:2224-9796(Online) Mesopotamia J. of Agric. ( 41( )4)2013 ISSN: 1815-316x (Print) Vol. (41) No. (4) 2013
741
( 1): )/(
( ) . Table(2): Effect of acclimation and treatment and their interactions on live body
weight, average total increasing weight, total relative growth (gram/bird)
for broilers exposed to heat stress (means standard error).
The effective
factors
(3 )
Initial weight at (3)
weeks of age
(7 )
Live body weight at (7)
weeks of age
(3-7 )
Average total
increasing weight (3-
7) weeks
(3-7 )
Total relative growth
(3-7) weeks
Acclimation effect
Acclimated
837.81 4.56 1661.87 11.97 7834.1378.99 714.671.56
Non-acclimated
811.43 6.95 1667.17 11.94 7844.6311.38 715.511.69
Significant level
N.S. N.S. N.S. N.S.
Treatments effect
Control
831.94 5.91 1591.77 18.53 b 7761.7417.71 c 711.511.84 c
(7) Licorice(1)
838.88 7.18 1737.91 33.57 a 7911.8319.55 a 716.131.71 ab
(1) Licorice(2)
835.94 75.46 1619.18 33.98 b 7793.3835.44 bc 713.381.53 bc
(7) NaCo3(1)
873.56 7.43 1687.68 33.79 ab 7877.6731.11 ab 717.151.78 a
(1) NaCo3(2)
876.15 7.77 1674.79 33.18 ab 786131.71 ab 716.44178 a
Significant level
N.S. 1.17 1.17 1.17
Acclimation and Treatments interactions effects
acc
lim
ated
Control
817.38 8.45 1575.57 47.84 b 7751.1945.17 b 711.677.37 bc
(7) Licorice(1)
839.75 77.77 1769.37 47.18 a 7931.6439.33 a 717.111.97 ab
(1) Licorice(2)
838.11 9.88 1598.57 51.65 b 7767.7445.16 b 717.917.54 c
(7) NaCo3(1)
834.51 71.63 1776.11 41.71 ab 7885.1936.31 ab 716.717.16 abc
(1) NaCo3(2)
815.3871.74 1657.57 47.89 ab 7836.1139.79 ab 715.597.76 abc
Non
-acc
lim
ated
Control
841.518.11 1619.16 37.54 b 7768.1431.31 b 711.347.11 c
(7) Licorice(1)
838.118.13 1716.53 47.58 ab 7869.1344.17 ab 715.157.71 abc
(1) Licorice(2)
833.8819.57 1658.75 45.67 ab 7814.7154.41 ab 714.811.67 abc
(7) NaCo3(1)
791.639.41 1661.74 53.81 ab 7871.7448.45 ab 717.967.73 a
(1) NaCo3(2)
817.739.88 1698.11 57.97 ab 7888.1143.37 ab 717.187.13 a
Significant level
N.S. 1.15 1.15 1.17
ISSN:2224-9796(Online) Mesopotamia J. of Agric. ( 41( )4)2013 ISSN: 1815-316x (Print) Vol. (41) No. (4) 2013
747
( 3):
( ) . Table(3): Effect of acclimation and treatment and their interactions on total feed
consumption, total feed conversion, total mortality, and production index
for broilers exposed to heat stress (means standard error).
The effective
factors
)( (3-7 )
Total feed consumption
(gm)
(3-7) weeks
(3-7 ) Total feed conversion
(3-7) weeks
)%( (3-7 )
Total Mortality (%) (3-7) weeks
Production index
Acclimation effect
Acclimated
3591.9831.11 7.961.13 1.11 1.81 177.958.76
Non-acclimated
3616.9314.69 7.971.11 7.51 1.76 171.876.47
Significant level
N.S. N.S. N.S. N.S.
Treatments effect
Control
3514.1778.71 d 7.991.17 3.75 7.15 155.994.76 b
(7) Licorice(1)
3596.5717.58 bc 7.911.14 1.11 1.11 195.4577.84 a
(1) Licorice(2)
3559.7813.88 c 7.991.11 7.15 7.15 166.657.71 ab
(7) NaCo3(1)
3659.1176.74 b 7.961.16 7.15 7.15 178.4576.39 ab
(1) NaCo3(2)
3737.1417.13 a 1.171.11 1.51 7.44 165.174.69 ab
Significant level
1.17 N.S. N.S. 1.15
Acclimation and Treatments interactions effects
acc
lim
ated
Control 3474.483.47 e 7.981.17 1.51 1.51 185.749.15
(7) Licorice(1)
3559.357.66 cde 7.851.17 1.11 1.11 316.8313.14
(1) Licorice(2)
3547.194.57 cde 1.111.17 1.51 1.51 156.557181
(7) NaCo3(1)
3647.8536.75 abc 7.841.14 1.51 1.51 179.5679.38
(1) NaCo3(2)
3735.9363.16 a 1.141.13 1.51 1.51 185.167.11
Non
-acc
lim
ated
Control
3533.5578.63 de 1.111.17 5.11 1.11 153.141.93
(7) Licorice(1)
3633.6875.31 abc 7.951.13 1.11 1.11 184.166.47
(1) Licorice(2)
3577.1855.83 c 7.961.14 1.11 1.11 177.354.73
(7) NaCo3(1)
3671.797.11 ab 7.981.75 1.11 1.11 177.3335.73
(1) NaCo3(2)
3716.7678.34 a 7.971.11 1.51 1.51 171.365.31
Significant level
1.17 N.S. N.S. N.S.
ISSN:2224-9796(Online) Mesopotamia J. of Agric. ( 41( )4)2013 ISSN: 1815-316x (Print) Vol. (41) No. (4) 2013
741
( 4): ( % )
( ) . Table(4): Effect of acclimation and treatment and their interactions on dressing
percents, the percentages of primary and secondary cuts, addible bowels,
and viscera fat percents for broilers exposed to heat stress (means
standard error).
The effective
factors
( %) dressing percents
( %)
percentages of
primary cuts
%)
percentages of
secondary cuts
( %)
addible owels
(%)
viscera fat
percents
Acclimation effect
Acclimated
81.89 1.46 63.84 1.54 36.16 1.38 4.74 1.71 7.17 1.19
Non-acclimated
79.61 1.35 65.41 1.38 35.73 1.37 4.65 1.71 7.73 1.71
Significant level
N.S. N.S. N.S. N.S. N.S.
Treatments effect
Control
81.67 1.81 64.89 1.49 35.17 1.48 4.79 1.71 7.17 1.71
(7) Licorice(1)
79.71 1.11 64.86 1.93 35.14 1.97 4.51 1.76 7.76 1.79
(1) Licorice(2)
87.11 1.31 64.41 1.57 36.73 1.58 4.53 1.77 7.39 1.73
(7) NaCo3(1)
79.76 1.86 64.15 1.17 36.13 1.64 4.83 1.18 1.96 1.71
(1) NaCo3(2)
79.91 1.89 64.73 1.49 35.39 1.41 4.74 1.71 1.91 1.76
Significant level
N.S. N.S. N.S. N.S. N.S.
Acclimation and Treatments interactions effects
acc
lim
ated
Control
87.65 7.17 64.76 1.68 36.11 1.58 4.66 1.77 1.99 1.71
(7) Licorice(1)
79.56 1.37 64.13 1.57 35.47 1.57 4.66 1.18 7.17 1.17
(1) icorice(2)
87.73 1.53 64.13 1.96 36.53 1.86 4.68 1.34 7.37 1.11
(7) NaCo3(1)
81.73 7.54 67.71 7.91 36.69 1.76 4.94 1.39 7.18 1.74
(1) NaCo3(2)
87.38 7.11 64.56 1.44 35.67 1.38 4.77 1.11 1.77 1.13
Non
-acc
lim
ated
Control
79.57 1.17 65.67 1.54 34.47 1.56 4.91 1.19 7.74 1.14
(7) Licorice(1)
79.85 1.17 65.49 7.13 35.16 7.11 4.53 1.11 7.71 1.37
(1) Licorice(2)
87.37 1.44 64.57 1.75 35.73 1.85 4.37 1.77 7.41 1.11
(7) NaCo3(1)
78.80 1.71 66.51 1.69 35.37 7.13 4.77 1.44 1.84 1.11
(1) NaCo3(2)
78.46 1.97 64.91 1.95 35.71 1.73 4.71 1.76 7.73 1.79
Significant level
N.S. N.S. N.S. N.S. N.S.
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TCARTXE ECIROCIL DNA NOITAMILCCA FO TCEFFE EHT YDUTS TCEFFE EVITAGEN EHT EZIMINIM OT ETANOBRACIB MUIDOS DNA
S'RELIORB FO STIART EVITCUDORP MUS NO SSERTS TAEH FO
SKCIHC
eefoS-lA afatsuM idaH dilahK haT noonahT razaN
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ISSN:2224-9796(Online) Mesopotamia J. of Agric. ( 41( )4)2013 ISSN: 1815-316x (Print) Vol. (41) No. (4) 2013
744
ABSTRACT
The study was conducted at Animal resources department poultry farm,
College of Agriculture and Forestry during period 10/4/2011 to 28/5/2011 to know
the effect of acclimation and adding tow concentrations level of each of Licorice
extract (800 and 1200 mg/l of water, licorice extract's(1)and(2)) and Sodium
bicarbonate (0.4 and 0.6%, Sodium bicarbonate(1)and(2)) to drinking water to
minimize the negative heat stress effect on some productive traits in broilers. The
results showed no significant effect of acclimation on final live body weight, total
increasing weight, total relative growth, total feed consumption, feed conversion,
total mortality and production index. While highly significant (P0.01) effects of licorice extract's(1) were noticed for final live body weight and total increasing
weight, and significant (P0.05) effect on production index. Sodium bicarbonate(1)and(2) showed highly significantly (P0.01) supremacy for total relative growth, and sodium bicarbonate(2) on total feed consumption. No
significant effects were noticed for interaction between acclimation and the
different treatments for total feed conversion, total mortality, and primary and
secondary cuts, addible bowels, and viscera fat percent.
Key words: Heat stress, Acclimation, Licorice extract, sodium bicarbonate, Broilers
Received: 21/2/2012 Accepted: 21/5/2012
( 1116). NH4CINaHCO3
77 (7 )714-771 . ( 1115 .)
71 (7 .)714-771 .
( 1116). . .
( 1113). ( Glycyrrhiza glabra ) 34 (1:)79-16.
( 1111 . .) .
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