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Supplementation of slow release melatonin improves recovery of ovarian cyclicity and conception in summer anoestrous buffalo (Bubalus bubalis)

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Title Supplementation of slow release melatonin improves recovery of ovarian cyclicity and conception in summer anoestrous buffalo (Bubalus bubalis)
Not Available
 
Creator Kumar A
Mehrotra S
Singh G
Maurya V P
Narayanan K
Mahla A S
Chaudhari R K
MAHAK SINGH
Soni YK
Kumawat B L
Dabas S K
Srivastava N.
 
Subject MELATONIN
OVARIAN CYCLICITY
SUMMER ANOESTRUS
BUFFALO
 
Description Not Available
The role of melatonin as a protective neurohormone against
restoring cyclicity in summer anoestrous animals in photoperiod
species has gained wider acceptance. This study was
designed to uncover the evidence the slow-release melatonin
(MLT) has on initiation of ovarian cyclicity and conception
rate (CR) in summer anoestrous buffaloes. Thus, buffaloes
diagnosed as summer anoestrous (absence of overt signs of
oestrus, concurrent rectal examination and radioimmunoassay
for serum progesterone at 10 days interval) were grouped as
untreated (Group I, sterilized corn oil, n = 8) and treated
(Group II, single subcutaneous injection of MLT @18 mg/
50 kg bwt in sterilized corn oil, n = 20). Animals treated and
detected in oestrus were artificially inseminated (AI) followed
by division into Group III (second dose of MLT on 5th day
post-AI, n = 8) and Group IV (no melatonin administration,
n = 10). Blood samples were collected at 4 days interval for
estimation of serum MLT, progesterone and oestrogen using
radioimmunoassay kit. Mean oestrous induction rate (OIR),
oestrous induction interval (OII), interoestrous interval (IOI)
and CR were estimated. Compared to control, concentration
of melatonin was significantly (p < 0.05) higher in treated
group ranging from 14.34 1.72 to 412.31 14.47 pg/ml
whereas other two hormones did not show any concentration
difference. Melatonin-administered buffaloes showed significantly
(p < 0.05) higher (90%) OIR with OII of
18.06 1.57 days. Results showed improvement in conception
rate in buffaloes administered with post-insemination
melatonin. It can be concluded from the study that slowrelease
melatonin supplementation restored cyclicity in
summer anoestrous animals resulting in improvement in
conception rate in buffaloes.
Not Available
 
Date 2021-09-29T10:12:52Z
2021-09-29T10:12:52Z
2016-01-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/64805
 
Language English
 
Relation Not Available;
 
Publisher Not Available