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Mlac:NZW

Written by Super User. Posted in Animals

Name Mlac:NZW
Sciencetific Name Oryctolagus cuniculus
Strain New Zealand White Rabbit(NZW rabbit)
Source Harlan Co., Ltd. The Natherlands(2000) and National University of Singapore(2007)
Coat color Albino
Biological Data  
Adult body weight 

Male 3-5 Kg.,Female 3-5Kg. , born 30-80 g.

Average life span 5-8 years
Age at mating

Male 7-8 months , Female 7-8 months

Estrous cycle  No regular cycle; females usually receptive to breeding at 4-6 days intervals
Gestation period  29-35 days
Weaning age  4-6 weeks
Litter size 4-10 pups
Normal birth weight  5-6 grams
Weaning weight 45-65 grams
Food consumption 
Status or age Food quantity
3-6 weeks 50-75 grams/day
6-8 weeks 125-150 grams/day
8-10 weeks 30-40 grams/1.8-2.3kg./day
Adult male rabbits 110-175 grams/day
Pregnant does 175-225 grams/day
Lactating does 225-450 grams/day
(Rabbits begin eating dry feed at 16 to 18 days. Consumption varies with ambient temperature ,  water availability and other factors.)

 

Water consumption 

120 ml./kg body weight/day (should be provided ad-libitum)

Average rectal Temperature 102.5 F
Heart Rate 130-325 beats/minute
Respiratory Rate 32-60 per minute
Dental formula 2(I 2/1, C 0/0, P 3/2, M 3/3= 28 (all teeth are grow continuously.)
Eyes open 10-12 days
Growth rate  

Husbandry

Breeding Systems

Breeding system of NZW rabbit consists of Maximum Avoidance breeding system and group mating system. Maximum Avoidance breeding system is used in foundation stock to maintain the strain and group mating system is used for animal production.

Environment

The rabbit are housed at the environment as below 

- Temperature range is controlled at about 25 ± 2 ํ 

- Relative humidity range at about 55 - 90%

Light: dark cycle is adjusted at 12:12 hours

- Noise in rabbit room is less than 85 db.

- Rabbits are housed in well lighted and ventilated room.

Housing

           Wire mesh Hanging cages are used for individual and weaning rabbits. Caging rabbit is enhanced in structural strength and adequate size for the animals’ health. The cages are cleaned weekly and as needed. We pay much attention on regular cleaning and sterilizing of rabbit cages .

Bedding

           Wood shaving is placed in the tray beneath the hanging cages to absorb urine, feces and leaked water. Breeding females are isolated 3 days before parturition in breeding cages which is attached nesting box.

Feed and water

           The rabbit are mono-gastric, hindgut fermenting herbivores. They preferred low-fiber, high-protein, and high carbohydrate diet as nutrients. In nature, they preferred various types of forages, leaves, grasses and weeds. In NLAC breeding facility, the rabbits are given pellet diets produced by Perfect Companion Co. Ltd. which contains 10% protein Moreover, the rabbit also received sterilized hay in ad libitum.

Food consumption increased dramatically with the current ambient temperatures. Food consumption is highly influenced on water consumption.

RO water is used as a source of drinking water. The water is chlorinated in a concentration at 10-12 ppm to make the water free from P.aeruginosa.