How to make Anti venom ? Antivenom from horse| #venomoussnakes

How to make Anti venom ? Antivenom from animals #snakes #venom #poison #horse

How to produce antivenom, how to make antivenom, antivenom against venom, how effective is antivenom, snake vs horse, how powerful is snake venom

Over 100000 people dies a year because of snakebites. Most of the deaths are due to the lack of proper treatment. antivenom is the only antidote that works effectively against venom. But it takes time , skill , and abundant resources to make. Despite the fact that humans learned how to make antivenom more than 100 years ago , there are critical shortages of virtually every kind of it , especially in developing countries.

Making antivenom is a resource - intensive , painstaking , and , time-consuming process. It's not much different now than when it was first created in the 1890s by a protege of Louis Pasteur named Albert Calmette , who was living in present-day Vietnam when a flood forced monocled cobras into a village near Saigon , where they bit at least 40 people and killed four. Inspired by the then- new science of vaccinations , by 1896 , Calmette had discovered the process of injecting horses with venom until they produced antibodies , taking the serum out of their blood and injecting it into snake bitten humans as antivenom. Process is much improved a century later , but the steps remain largely the same. 

Step 1 , Milking the venom.
The first step is getting your hands on a lot of snakes, which are quarantined and monitored for weeks , to months to ensure their good health. Before milking , put on protective gloves. With some of the most deadly snakes , like banded kraits or black mambas , experts often use a short-acting anesthetic to calm the snake down. Take a vial and cover it with a rubber or plastic film. Then , snake in hand , push the fangs through the plastic. Gently squeeze the glands to get out all the venom.To get enough venom , each snake must be milked many times. 

Step 2 , Cooling down the Venom.
After milking , the venom must be cooled to below minus 20 Celsius and usually freeze dried for easier storage and transport. Freeze drying concentrates the venom and removes the water. It's important to clearly label the venom with the snake's species , any relevant subspecies and geographical origin , since venom can vary wildly between members of the same species , especially between young and old snakes.

Step 3 , Immunising.
Horses are most commonly chosen as the animals to create antibodies , because they thrive in many environments worldwide , have a large body mass , friendly and are easy to work with. Prep the venom for injection by carefully measuring it out and mixing it with distilled water or a buffer solution. Then mix in some kind of adjuvant–a chemical that causes the horse's immune system to react and produce antibodies that bind to and neutralize the venom. 
Inject a small amount of the solution beneath the horse's skin , preferably on its rump or the back of its neck where lymph nodes and immune cells reside. It's usually a good idea to break up the shot into smaller doses in various locations to avoid causing an ulcer or sore on the skin and to maximize the surface area for an immune reaction. If the horse tolerates the injection , you'll probably give it several more doses days or weeks apart. Antibodies in the horse's bloodstream peak after about eight to 10 weeks. At that point the horse is ready to be bled , which involves drawing 3 to 6 liters of blood from the jugular vein.

Step 4 , Purifying.
A centrifuge is used to filter the plasma , the liquid portion of the blood not including blood cells. Now it's time to separate out the antivenom. This separation begins by getting rid of unwanted proteins. You do this by causing them to precipitate , or fall out , often by adjusting the


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This video explains the steps involved in producing anti-venom from horses. Producing anti-venom from horses are time consuming and painstaking task. You should be having access to different types of snake species so that the particular type of anti-venom can be generated. Expert and skilled people are required for carrying out this task. The horses has to be kept ready for injecting the venom and drawing the required antibody from the blood.

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