EFFECT OF FLUSHING AND ESTRUS SYNCHRONIZATION IN POST PARTUM ANESTROUS GOATS
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Date
2018-09
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KARNATAKA VETERINARY ANIMAL AND FISHERIES SCIENCE'SUNIVERSITY, BIDAR-585226
Abstract
The study was conducted to find out the effect of flushing and hormonal effects
upon induction and synchronization of postpartum anoestrus goats in and around Bidar.
Thirty does which were about 60 days postpartum were selected and divided in to 5
groups (n=6). All the 5 groups were fed with maize grains (250 gm/doe/day) for 15 days.
Group one served as control with only flushing. After 15 days of flushing, 4 treatment
groups received CIDR intravaginal device containing Progesterone 0.3gm and left
intravaginally for 14 days. At the removal of CIDR after 14 days of treatment, G2 and G4
animals received I/M inj of PGF2α @125µg/doe whereas G3 and G5 received I/M inj of
PMSG @ 500IU/doe. Upon exhibition of estrus, 4th and 5th group animals received I/M
inj of hCG @ 500IU/doe after natural mating. Estrus inductions were recorded for G1,
G2, G3, G4 and G5 as 66.66, 50.00, 83.33, 50.00 and 83.33 % respectively. Conception
rate were recorded for G1, G2, G3, G4 and G5 as 100, 33.33, 60, 66.66 and 80 %
respectively. Mean ± SE values of onset of estrus were recorded for G1, G2, G3, G4 and
G5 as 139.75±19.02, 68.5±4.80, 33.2±2.22, 70.0±1.85 and 32.0±2.82 Hr respectively.
Mean ± SE values of duration of estrus were recorded for G1, G2, G3, G4 and G5 as
30.25±1.854, 33.16±2.24, 47.7±2.095, 31.0±0.577 and 36.3±0.86 Hr respectively. Serum
was estimated for serum glucose, cholesterol and progesterone. It was concluded that the
control group (G1) which received only flushing and group receiving Flushing+ PMSG+
hCG (G5), both have high efficiency in increasing conception rate in postpartum
anestrous goats.
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