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November 28, 2015

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Posted in Gavage Needle Size


Selecting Correct Gavage Needle Size

Here is a document from George Washington university that provides guidelines on gavage needles sizes based on animal weight. Click Here to access the article 

Mouse Gavage Needle Sizes 

Weight range (g)

Gauge

Length (inches)

Ball Diameter (mm)

Shape

to 14 gms

24

1"

1 1/4 mm

Straight, Curved

15-20 gms

22

1", 1 1/2"

1 1/4 mm

Straight, Curved

20-25 gms

20

1", 1 1/2",2"

2 1/4 mm

Straight, Curved

25-30 gms

18

1", 1 1/2",2"

2 1/4 mm

Straight, Curved

30-35 gms

18

2", 3"

2 1/4 mm

Straight, Curved 

oral gavage needle

Rat Gavage Needle Sizes

Weight (g) of rat

Gauge

Length (in)

Ball Diameter (mm)

Shape

50-75

20

1-1.5

2.25

Straight/Curved

75-100

18

1-1.5

2.25

Curved

100-200

18

2-3

2.25

Curved

200-300

16

3-4

3

Curved