How much do BALB c mice weigh?

Average and Range of Weights (g) of Commonly Used Strains of Mice*

Strain Sex 84 DAYS
A/J F 16.5 – 21.6
BALB/c M 26.5 – 32.0
F 21.0 – 25.3
CBA/CaH M 22.0 – 34.0

How much does the average lab mouse weight?

House mouse: 0.68 oz
Deer Mouse: 0.72 ozWhite-footed mouse: 0.79 oz
Laboratory mouse/Mass

What is the normal weight of a mouse?

A computer mouse weighs 4.23 ounces (119 grams). This is the average weight of a computer mouse regardless of make, model, cost, or if the mouse is wired or wireless. The average weight of a wired computer mouse is 3.77 ounces (105 grams). The average weight of a wireless mouse is 2.93 ounces (83 grams).

How much does a c57bl6 mouse weigh?

JAX Mice Strain – C57BL/6J

Age (Weeks) Body Weight (grams; mean± st. dev)
12 21.9 ± 1.6 28.9 ± 2.0
13 22.6 ± 1.9 30.0 ± 2.1
14 23.0 ± 2.0 30.8 ± 2.2
15 23.5 ± 2.3 31.6 ± 2.4

How much does a 12 week old rat weigh?

Three age-weight groups of rats were tested: (I) 8-9 weeks old (200-250 g, average 227 +/- 14); (II) 10-11 weeks old (255-300 g, average 280 +/- 15 g); (III) 12-14 weeks old (305-385 g; average 331 +/- 25 g). A gradual reduction in rCMRgl was observed in the older and heavier groups.

How much do mice weigh in grams?

Normative Values for Mice
Lifespan 1-3 years
Adult weight Males 20-30 g, Females 18-35g
Birth weight 1-2 g
Heart rate 310-840 beats per minute

How old is a 300g rat?

between 57 and 70 days
Thus, a 300 g male Sprague Dawley rat can be between 57 and 70 days of age, depending on the vendor and colony (Charles River SD SAS, 67 days; Harlan SD, 57 days, Harlan CD, 70 days).

How much does a sewer rat weigh?

0.31 – 1.1 lbsBrown rat / Mass (Adult)

How much do 6 week old rats weigh?

Weaned rat

Age Weight
Rat Pups 2-3 weeks 21-30 grams
Weaned Rats 3-4 weeks 31-45 grams
Small Rats 4-6 weeks 46-79 grams
Medium Rats 6-8 weeks 80-149 grams

How much does a rat weigh lbs?

On average, the brown rat is about 16 inches long (including its tail) and weighs less than a pound. If a rat lives near a steady food source, like a dumpster, it can grow to be 20 inches long and weigh 2 pounds.

What is the best weight for a mouse?

Lighter mice won’t fatigue your wrist and can easily glide across the mouse pad at high speeds. Anything below 100 grams is often ideal for competitive mice.

How much do lab rats weigh?

Normative values for rats
Lifespan 2.5-3.5 years
Adult weight Males 300-500g, Females 250-300g
Birth weight 5-6g
Heart rate 330-480 beats per minute