(INSA) Guidelines for Care and - Indian Council of Medical Research
(INSA) Guidelines for Care and - Indian Council of Medical Research
(INSA) Guidelines for Care and - Indian Council of Medical Research
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Annexure-3<br />
Reproductive Date <strong>of</strong> Commonly Used Laboratory Animals<br />
Mouse Rat Hamster G.Pig Rabbit Cat Dog<br />
(Beagle)<br />
Monkey<br />
(Rhesus)<br />
Oestrus Cycle(days) 4-5 4-5 4-5 16 14 Biannual 28<br />
Duration <strong>of</strong> Oestrus 10h 13-15h 20h 6-11h - 3-6d 14-21d -<br />
Time <strong>of</strong> Ovulation 2-3 h after 8-10 h 8-10h 10h Induced1 Induced25-26 1-3 d 11-14d<br />
h=hour da=day Est.<br />
(spont.) (spont.) (spont.) 0-11 h h<br />
(spont.) after on set<br />
(spont.)<br />
after after mating<br />
<strong>of</strong><br />
mating<br />
menstruati<br />
on<br />
Gestation Period<br />
(days) average<br />
21 21 16 68 30 63 62 164<br />
Litter size 6-10 8-12 5-8 1-4 4-6 3-6 4-8 1<br />
Oestrus after Post partum Post 1-8d Post 35d 4<br />
parturition<br />
partum<br />
partum<br />
th week or Next neat After<br />
lactation season weaning <strong>of</strong><br />
young ones<br />
Reproductive<br />
Life span (years)<br />
1 1 1 3-4 2-3 6 6-8 12-15<br />
Mating System M:F Pair/Trio/ Pair/ Pair Harem Harem H<strong>and</strong> Harem Pair/ Pair<br />
ratio<br />
Harem Harem<br />
Mating<br />
Harem /Harem<br />
Max. number<br />
Of females per male<br />
5 5 5 6 10 6 6 10<br />
Mammary<br />
3,1,1 3,1,2 -,5,1 -,-,1 1,2,1 2,2,- 2,2,1 1,-,-<br />
Gl<strong>and</strong>s (T.A.P.) no.<br />
Of pairs<br />
Five Six Six One Four Four Five One<br />
A=Abdominal, P=Pelvic, T=Thoracic, h=hours, d=days = Menstrual Cycle<br />
Source : Bibliography : Ref.Nos.1,2,4,7,13,15,16,17,18,19,20,26,27,28,30,31
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