PARTURITION BEHAVIOUR AND BLOOD BIOCHEMICAL STUDIES FOLLOWING MINERAL SUPPLEMENTATION IN BLACK BENGAL GOATS
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Date
2009
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Birsa Agricultural University, Kanke, Ranchi, Jharkhand
Abstract
Present study was carried out on 20 Black Bengal goats allocated to
two groups, treatment group and control group. Each group consisted of 10 goats.
All the goats were maintained at Instructional Farm-Small Ruminants, Ranchi
Veterinary Collage, Ranchi. The goats were maintained under identical
managemental and feeding conditions. In treatment group, Minerex bolus at the
dose rate of half bolus per doe was administered daily to the goats from 15 days
prior to the parturition. Levels of glucose, cholesterol, protein, calcium, inorganic
phosphorus, magnesium, iron, copper and zinc were estimated in blood serum
samples collected on 15th and 7th day before expected date of parturition and at
parturition.
1. Most common symptoms of approaching parturition observed in 100 percent
of does of both the treatment and control groups were abdominal distension,
oedema and redness of vulva and tail raising.
2. Average duration of first, second and third stages and total duration of
parturition in does of treatment group irrespective of type of birth was found
to be 104.10±5.388, 16.60±1.796, 124.20±6.560 and 244.90±9.994 minutes
respectively whereas in control group, these values were found to be
101.30±5.215, 17.70±1.892, 134.10±7.503 and 253.10±11.412 minutes
respectively. Average duration of different stages of parturition in does did not
differ significantly between both the groups.
3. Non-significant difference in the duration of different stages of parturition in
does delivered single and twin kids was recorded in treatment group while
significant difference was recorded in first stage, second stage and total
duration in control group.
4. Time interval of sequence of the different events of parturition did not differ
significantly between treatment and control groups.
5. Overall weight of placenta irrespective of type of birth in both the treatment
and control groups was found to be 230.40±15.657 g and 227.20±15.740 g
respectively. Total number of cotyledons in placenta irrespective of type of
birth in both the treatment and control groups was found to be 90.80±4.690
and 93.30±5.016 respectively. t-values indicated non-significant difference
with regard to weight of placenta and total number cotyledons between both
the groups. However, difference in the weight of placenta as per type of birth
was significant (P<0.05) between both the groups. Likewise, difference in
total number of cotyledons as per type of birth was highly significant (P<0.01)
between both the groups.
6. There was non-significant difference in average body weight of does at
weekly interval in both the treatment and control groups.
7. Average body weight (kg) of kids at different intervals after birth did not
differ significantly between treatment and control groups but highly
significant (P<0.01) difference was found in average body weights of single
and twin kids at different intervals in both the treatment and control groups.
8. Non-significant difference with respect to daily gain in body weight of kids
irrespective of type of birth between treatment and control groups was
recorded. Overall daily gain in body weight of kids was found to be
significantly (P<0.05) higher in single birth than twin birth in both the groups.
9. Average blood glucose level in treatment group at parturition was slightly
higher than the levels obtained at 15th day and 7th day before expected date of
parturition. In control group, glucose level at parturition was significantly
higher than the level obtained at 7th day before expected date of parturition.
Non-significant difference in blood glucose level was found between
treatment and control groups at all the periods.
10. Serum cholesterol levels at parturition in both the groups were found to be
higher as compared to the other two periods before parturition. Significant
(P<0.05) effect of periods on serum cholesterol level was observed in both the
groups. t-values indicated non-significant difference between treatment and
control groups.
11. Total serum protein levels at different periods between the two groups did not
differ significantly.
12. Serum calcium level at parturition in treatment group was significantly higher
than the level found at 15th day before parturition. However, difference
between the two groups at different periods was non-significant.
13. Average serum inorganic phosphorus level at parturition in treatment group
was significantly higher than 15th day before expected date of parturition
while the level at parturition in control group was significantly lower than the
findings obtained at both the periods before parturition.
14. Average serum magnesium level was found to be the highest at parturition in
both the groups, though the effect of periods on magnesium level was found to
be non-significant. Non-significant differences in serum magnesium level
were observed between both the groups at all the periods.
15. Average serum iron level was found to be the lowest at parturition in both the
groups but the difference during the periods was only significant in control
group. Statistically the difference between treatment group and control group
at all the periods was non-significant.
16. With respect to serum copper level, the difference between treatment group
and control group at all the periods was non-significant.
17. Average serum zinc levels at parturition and 7th day before expected date of
parturition were higher in treatment group than those of control group and the
differences were highly significant (P<0.01).
In this study, effects of mineral supplementation in the diet on
duration of parturition were found to be non-significant. This might be due to
better feeding and managemental conditions in the farm or due to shorter duration
of mineral supplementation or less number of experimental animals. However,
more studies are required on all these aspects.
Description
PARTURITION BEHAVIOUR AND BLOOD BIOCHEMICAL STUDIES FOLLOWING MINERAL SUPPLEMENTATION IN BLACK BENGAL GOATS
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