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Evaporative cooling in late gestation heat-stressed Murrah buffaloes increases efficiency of next reproductive cycle

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Title Evaporative cooling in late gestation heat-stressed Murrah buffaloes increases efficiency of next reproductive cycle
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Creator O Aarif | A Aggarwal | AA Sheikh
 
Subject EVAPORATIVE COOLING, REPRODUCTION BUFFALOES
 
Description Not Available
Evaporative cooling during late gestation period improves post-partum reproductive
performance in Murrah buffaloes. To prove this hypothesis, sixteen pregnant dry
Murrah buffaloes at sixty days pre-partum were selected and divided into two groups
of eight animals each. Group 1 of buffaloes (Cooled/CL) was managed under fan and
mist cooling during dry period, whereas second group of buffaloes (non-cooled/NCL)
remained without the provision of cooling. After parturition, all the animals were man aged under evaporative cooling till the end of experimental period. Reproductive per formance in cooled (CL) and non-cooled (NCL) groups, respectively, viz. 1st and 2nd
ovulation from calving (48.63 ± 2.41, 69.25 ± 2.34 days and 57.75 ± 3.35,
93.63 ± 2.84 days); calving to conception interval (117.88 ± 4.21 days and 117.88
± 4.21 days); conception rate (87.5% ± 2.16% and 57% ± 2.26%); and follicular diam eter at the time of 1st and 2nd ovulation (14.84 ± 0.16, 15.75 ± 0.13 mm and
12.65 ± 0.13, 13.35 ± 0.11 mm) varied significantly (p < .05). Total peak oestrogen
concentration was significantly (p < .05) higher in cooled (26.7 ± 1.32 pg/ml) relative
to non-cooled (20.7 ± 1.22 pg/ml) buffaloes. Time from onset of oestrus to ovulation
varied significantly (p < .05) in cooled (32 ± 2.22 hr) and non-cooled (40 ± 2.86 hr)
buffaloes. The peak progesterone concentration reached to (4.25 ng/ml) in cooled
group and (4.16 ng/ml) in non-cooled group after first ovulation.
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Date 2021-07-31T10:14:11Z
2021-07-31T10:14:11Z
2017-08-01
 
Type Article
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/51712
 
Language English
 
Relation Not Available;
 
Publisher Not Available