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Mlac:DH

Written by Super User. Posted in Animals

Name Mlac:DH
Sciencetific Name Cavia porcellus
Strain Dunkin Hartley
Source B&K Universal Limited, England(1997) and National University Singapore(2007)
Coat color Albino
Biological Data  
Adult body weight 

Male 1,000-1,200 grams,Female 900-1,000 grams.

Average life span 4-7 years
Age at mating

Male 10-12 week.  (700-800 grams.) Female 8-10 week. (500-700 grams.)

Estrous cycle  15-19 days
Duration of estrus 6-11 hours
Reproductive time  18-24 months
Gestation period  59-72 days
Weaning age  14-21 days (180-200 grams)
Litter size 1-6 pups (average 3.99)
Normal birth weight  65-115 grams
Post partum estrus 60-80%
Weaning weight 45-65 grams
Food consumption 

6 grams /100 grams /day

Water consumption 

10-40 ml/100 grams /day

Body Temperature 37.2-39.5 °C
Start eating solid food 2-3 day after birth.
Respiratory Rate 32-60 per minute
Dental formula 2(I1/1, C0/0, P1/1, M3/3)
Eyes and ears opened At Birth
Growth rate  

Husbandry

Breeding Systems

Polygamous mating system is used to maintain foundation stock. In production stock, a harem polygamous mating system (1 male : 5 females)  is applied.

Environment

The guinea pigs are housed in the controlled environment. The room ventilation, temperature and humidity are controlled by HVAC (Heating, Ventilating, Air conditioning) system.

- Temperature range is controlled at about 22 ± 2 ํ 

- Relative humidity range at about 55 ± 10%

Air changes per hour 15-20 ACH

- Light: and Dark cycle 12:12 hours

Guinea pigs are timid and  sensitive to noise so the noise level should be < 85 db.

Bedding

          Dried Water Hyacine and Corn Cob are used as bedding  and sterilized by autoclave at 135 C for 7 minutes before used.

Feed and water

           The laboratory guinea pig diet  produced  by Perfect companion group co. Ltd. is given ad-libitum. Moreover, the autoclaved hay is also given as a supplement source of fiber. The chlorinated RO Water is provider as drinking water (chlorine concentration at 5-6 ppm) .This drinking water is free from Pseudomonas aeruginosa. Drinking water is provided in bottles with sippers.
 

Equipment

Four shelves drawer type cages of size 25 x 36 x 9.5 inches are used for Guinea pig.
 

Space Requirement

Body weight

 

Floor space / Guinea pig (in2)

Height (inches)

 

250 – 350 g.

60

7

> 350 g.

101

7

Female with young

101

7