SILENT ESTRUS IN BUFFALOES: EXPRESSION PROFILE ANALYSIS OF CANDIDATE GENES AND SALIVARY AND CERVICO-VAGINAL FLUID PROTEOMICS
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Date
2021
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Abstract
The present study was planned to identify the estrus specific protein
expression in saliva and cervico-vaginal fluid and estrus specific candidate gene
expression in silent estrus graded Murrah buffaloes. In this study, 14 number of
graded Murrah buffaloes were selected and divided into two groups as I (n=7)
normal estrus, and II (n=7) silent estrus. Group II silent estrus buffaloes were
induced estrus with CIDR + PGFia protocol and considered as group III (n=7)
estrus induced silent estrus buffaloes. Estrus induction response was recorded as
100 per cent in group n buffaloes induced with CIDR + PGF2a protocol (group
III).
The intense, intermediate and weak estrus was 85.71, 14.28 and 0.00 per
cent in group I, 0.00, 28.57 and 71.43 per cent in group II and 37.14, 42.68 and
0.00 per cent in group III buffaloes. The higher percentage of intense and
moderate estrus intensity was observed in group I and group III than group 11
buffaloes. The overall estrus behavioural signs were 44.44, 11.10 and 42.85 per
cent in group 1,11 and III, respectively in buffaloes which was significantly lower
in group 11 buffaloes. The duration of estrus was 22.71±0.86, 19.00±0.75 and
24.42±1.13 h in group I, II and III, respectively, which revealed that the group II
buffaloes differed significantly from other groups. The estrous cycle length was
23.80±0.17, 22.09±0.28 and 23.85±0.90 days in group I, II and III, respectively in
buffaloes which was significantly lower in group II than remaining groups.