CRUDE FIBRE UTILIZATION AVAILABILITY IN INDIGENOUS (Anms platyrhynchos) AND NUTRIENT LAYER DUCKS
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Date
2006
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
College of Veterinary and Animal Sciences, Mannuthy.
Abstract
A study was conducted in the Department of Poultry
Veterinary and Animal Sciences, Kerala Agricultural Univers
effect of supplementation of a multi enzyme preparatic
production performance of indigenous layer ducks. Diets
cent CF and the high fibre diet supplemented with Polyzj
from 20 to 56 weeks of age under cage system of
procured from three different regions of Kerala namely
Thrissur were utilized to evaluate the nutritional and
foraging ducks in Kerala.
Two hundred, 18 weeks old indige nous layer ducks
at the rate of two ducks per cage. They were divided in tc
T2, T3, T4 and T5 consisting of 40 ducks in each treatment
replicates with 10 ducks in each replicate. The control grou
8 per cent CF diet. The diets with 12 per cent CF, T2,
supplemented with polyzyme levels at Zero, 0.06, 0.1:
respectively. All the diets contained 18 per cent CP and 2550
Science, College of
ity to find out the
n 'Polyzyme' on the
CDntaining 8 and 12 per
me were fed to ducks
rearing. Foraging ducks
Kuttanad, Palakkad and
physiological status of
ducks
ducks
Nutritional and physiological status of foraging
collecting crop, body fat and blood samples from 10
regions namely Kuttanad, palakkad and Thrissur. The
crop contents of the ducks was estimated. The crop
screened for pesticide residues using Gas Chromatography
total protein, lipids and cholesterol were analyzed to assc
status of the foraging ducks and that under cage system of reering.
were housed in cages
• five groups viz., Tl,
group having four
) Tl was allotted with
T3, T4 and T5 were
and 0.18 per cent
kcal ME/kg diet.
was assessed by
each from three
nutrifcnt availability in the
contents and fat were
Hemoglobin, plasma
ss the physiological
ii
The mean body weight of indigenous layer ducks
1663.0 g at 20 weeks, 1649.75 to 1682.25 g at 40 weeks
g at 52 weeks of age with significant difference (PO.01)
highest groups only at 52 weeks of age.
ranged from 1532.50 to
slnd 1647.00 to 1799.25
between the lowest and
The cumulative Duck housed egg number during
was highest (141.98) in 0.06 per cent enzyme supplem
lowest (108.68) in 8 per cent crude fibre diet group (Tl)
12 per cent CF dietary groups were significantly higher
(PO.05). The mean percent Duck housed production was
per cent enzyme diet group and lowest (43.12) in 8 per
21 to 56 weeks period. The highest weekly egg productl
recorded in 0.06 per cent enzyme dietary group at 35 weeks
than
cent
1011
1 to 56 weeks of age
ibnted group (T3) and
nd the DHN in all the
that of control group
highest (56.34) in 0.06
CF diet group during
per cent (83.29) was
of age.
01 Th e overall mean egg weight for 21 to 56 weeks
higher in all enzyme supplemented dietary groups than
(P<0.05). The total egg mass per duck during 23 to 56 wfeeks
7.22 to 9.67 kg showing the highest egg mass in 0
supplemented group and the lowest in control group.
ducc Th e overall mean daily feed consumption per
period ranged from 145.33 to 163.72 g and significant
contained 12 per cent CF and the mean cumulative feed
36.63 to 41.26 kg with an overall mean value of 40.16 kg.
Feed Conversion Ratio (FCR) per dozen eggs for
was numerically better (3.41) in 0.06 per cent enzyme supplemented
Physiological profile of indigenous layer d hemoglobin values ranged from 11.84 to 12.86 g/dl at 20th lucks indicated that week, 12.86 to 13.72 g/dl at 40,n week and 12.96 to 13.83 g/dl at 52nd week among the five treatment
' age was significantly
that of control group
was ranged from
06 per cent enzyme
for 21 to 56 weeks
y higher in all diets
intake was ranged from
15 to 56 week period
group.
Ill
groups. Results of the plasma biochemical analysis revealed tha: total protein
values did not differ significantly either at 20, 40 or 52 weeks of age among the
groups. The mean values at 20, 40 and 52 weeks of age were 4.24, 4.95 and 4.87
g/dl respectively. Plasma Cholesterol values at 20 weeks ranged from 181.83 to
207.33 mg/dl among groups. The corresponding values at 40 weeks ranged from
179.85 to 185.75 mg/dl and at 52 weeks from 162.02 to 167.1(0 mg/dl. The
plasma total lipid values at 20, 40 and 52 weeks of age ranged
638.86, 683.42 to 716.30 and 785.22 to 826.35 mg/dl respectively.
from 595.90 to
Per cent digestibility of protein, fat and fibre fractions
detergent fibre and Acid detergent fibre were numerically
supplemented groups compared to other groups.
rjamely Neutral r in enzyme high e
The moisture content of the meat from indigenous lay|:
weeks of age ranged from 73.38 to 75.96 per cent among the
and foraging ducks. Crude protein value ranged from 17.03 to
2.73 to 4.82 and total ash from 2.18 to 3.88 per cent.
;r ducks at 56
experimental groups
18.81, fat from
The liability was 100 per cent in experimental groups T3
per cent each in the other three groups.
aid T4 and 97.5
The chemical composition of the crop contents collecte^
ducks indicated that moisture content ranged from 41.0 to 53.0
protein 10.2 to 17.5, ether extract 1.87 to 3.7, crude fibre 11.3
ash 9.5 to 17.0 per cent.
The mean hemoglobin and plasma biochemical values of
between 38 to 44 weeks of age were within the normal
comparable with that of ducks in intensive system.
co ntent Th e organochlorine residue estimated in the crop
foraging ducks from three regions of Kerala namely Kuttanad
lo
from foraging
per cent, crude
19.8 and total
foraging ducks
•ange and were
and fat of
, Palakkad and
IV
j
Thrissur indicated that the residues detected in the sampl
Maximum Residue Level of OC compounds in poultry. Th
level of all organochlorine compounds in the crop content of
Kuttanad, Palakkad and Thrissur were 0.0018, 0.0152
respectively. The combined residue in the fat of foraging ducks
those values observed in crop contents at Kuttanad, Palakkad
and were 0.0117, 0.0419 and 0.0077 ppm respectively.
ss were below the
combined residue
braging ducks from
and 0.0033 ppm
were higher than
and Thrissur region
Based on the present study it was concluded that 12
can be included advantageously in the diet of ii
Supplementation of 0.06 per cent polyzyme in 12 per cent
enhance the production performance of indigenous layer duckt
per cent crude fibre
ndigenous layer ducks.
fibre diet will help to
Results from the studies on foraging ducks rev
availability from foraging fields are widely variable
respect of hemoglobin, plasma total protein, lipids and
ducks are comparable to that under intensive system
Organochlorine residues in the crop content and fat of
Kuttanad, Palakkad and Thrissur are below the Maximum
compounds in poultry.
saled that nutrient
Physiological parameters in
cholesterol in foraging
of management.
foraging ducks from
Residue Levels of the
Description
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