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February 13, 2017

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New video On Oral Gavage in Mouse

Hello Everyone,

Here is a new video from procedures with care on using oral gavage needles on mouse. Click here to see the video 

February 11, 2017

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Need to buy only 1 animal feeding needle? No Problem

If you need only 1 gavage needle then you have come to right place. On gavageneedle.com you can buy as few as 1 reusable animal feeding needle and as few as 20 disposable animal feeding needles. 

If you think that would cost you more per needle then we are sorry to disappoint but it would actually cost you less than buying a dozen gavage needles

And If you think that means quality would be lower then all you need to do is checkout our reviews and you will see that all our customers have given us 5 stars and we intend to keep it up.

Please don't hesitate to reach out if you have any questions at info@gavageneedle.com

July 06, 2016

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Details on Feeding Birds Using Gavage Needle and Size Chart

Force feeding, also known as Tube or Gavage feeding - is a method of feeding, in which the food is pumped into the crop through a tube that has been put down the esophagus and into the crop
 

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June 17, 2016

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Should you use Plastic Sterilization Trays or Aluminum?

Hi Everyone,

Here is a great article from pet surgical that talks about different type of sterilization trays. Click here to read

April 20, 2016

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What Sizes Of Reusable Animal Feeding Needles are available?

What sizes of reusable animal feeding needles are sold on www.gavageneedle.com?

We have one of the largest selection of reusable animal feeding needles in the market. Our Needles start at 10G and go down to 24G stainless steel tubing. All sizes are available in straight or curved options. Here is the complete list

24G x 25mm
22G x 25mm
20G x 25mm
20G x 38mm
18G x 51mm
18G x 76mm
16G x 76mm
14G x 74mm
12G x 99mm
10G x 150mm

We can create custom sizes for larger order so please don't hesitate to reach out at info@gavageneedle.com
April 20, 2016

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What users are saying about PetSurgical Gavage Needle?

Users have spoken and given PetSurgical Brand Oral Gavage Needles 5 Stars. Here are some of the comments that our customers made about our reusable animal feeding needles. You check them here

Speedy delivery"
Alyson J Says "Definitely an excellent durable product! Your Customer Service was Excellent also"
Jeffrey S. Says "Fast & professional"
Tamara M. Says "I purchased this needle to gavage large rats (~300gm) and it is the perfect size. It shipped quickly and was inexpensive, I will order here again when the need arises."
Thanks everyone for your great feedback. 
February 25, 2016

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Oral Gavage SOP By George Town University

Please see below the SOP from George Washington University on how to administer oral gavage procedure using animal feeding needles. Whole Article can be found here

Guidelines: The procedure described in this SOP should be followed when liquids will be administered to rodents by oral gavage. Orally administered substances do not need to be sterile. Instruments should be clean and sanitized, but do not need to be sterile. Maximum volume limits must be followed. If necessary, additional doses can be given at 8 hour intervals.

Maximum gavage volumes

 

Mice

Rats

Hamsters

Volume (mL)

Needle size

Volume (mL)

Needle size

Volume (mL)

Needle size

10mL/kg

18-20G

20ml/kg

16-18G

20ml/kg

18G

 

 

Below are guidelines for maximum volumes based on average adult weights.

Mice

Rats

Hamsters

Weight

Volume

Weight

Volume

Weight

Volume

25g

0.25mL

250g

5mL

120g

2.4mL

 

 

The recommended needle sizes are for average adult animals. Smaller needles should be used for juvenile animals. Curved needles are recommended to reduce the risk of trauma, but straight needles can be used if placed carefully.    

 

 

Materials:

Scale

Oral gavage needles (steel ball feeding needles)

1CC, 3CC, and 5CC syringes

 

Methods:

 

  1. Weigh the animal and calculate the maximum volume of inoculum to be used.
  2. Prepare the syringe and needle with the inoculum expelling any air bubbles.
  3. Manually restrain the animal by grasping the loose skin at the scruff of the neck with the thumb and forefinger to immobilize the head and torso. For rats and hamsters, the loose skin over the back should be grasped as well to minimize kicking with the hind feet. The head must be totally immobilized for proper positioning of the gavage needle.
  4. Using the needle held next to the animal, measure the distance from the tip of the nose to the last rib on the left side. This is the approximate distance to the stomach and the needle should not be advanced further than that distance to avoid rupturing the stomach.
  5. Hold the animal with the nose pointing up, and insert the gavage needle into the mouth over the tongue.
  6. Directing the feeding needle toward the esophagus on the left side of the throat, gently press the needle on the back of the mouth and allow the animal to swallow the needle. It is important to use very gentle pressure, as too much force will rupture the esophagus. When the animal swallows, gravity will pull the needle down into the esophagus several millimeters.
  7. Slowly advance the needle the measured distance into the stomach. If any resistance is met or if the animal struggles vigorously, immediately withdraw the needle and reposition it.
  8. Once the needle is properly positioned, gently depress the plunger to dispense about 0.05mL of the inoculum for mice, 0.1-0.2mL of inoculum for hamsters and rats. If the inoculum flows smoothly and not fluid is seen in the mouth or nose, slowly inject the rest of the inoculum. If fluid is seen coming from the mouth or nose, remove the feeding needle immediately and release the animal into the cage. Observe for any difficulty breathing or bleeding from the mouth or nose before attempting the gavage again.
  9. Once the entire inoculum has been dispensed, slowly remove the feeding needle and return the animal to its cage.
  10. Observe the animal for any difficulty breathing or bleeding from the mouth or nose for at least 5 minutes before returning it to the animal holding room.

 

 

 

 

 

Post-procedural monitoring:

 

  1. Animals should be monitored at a minimum 1 hour and 24 hours after the procedure.
  2. Observe the animals for the following signs:
    1. Labored breathing
    2. Discharge from the nose or mouth
    3. Ruffled fur
    4. Hunched posture
    5. Lethargy
    6. Minimal responsiveness
  3. Lethargy, labored breathing, minimal responsiveness and uncontrolled bleeding or discharge are criteria for immediate euthanasia.
  4. Document all observations on the experimental health monitoring sheet. Alert the Attending Veterinarian of any ill or injured mice.

 

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