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Artificial Insemination (AI) for Cattle
Best bait for fishing in my semen tank?
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<blockquote data-quote="simme" data-source="post: 1687006" data-attributes="member: 40418"><p>Straws don't have to covered by the liquid. The academic answer is that you are OK as long as there is any liquid in the tank. Since it vaporizes at a constant temperature of about -300 degrees F. But as soon as the liquid is gone, temperatures will drop and semen will be ruined. Practical answer is to keep at least 5 inches in the tank with 2 inches being the point to have big anxiety. The common 20 liter tank will evaporate about 0.1 liter per day. Vapor shippers are an exception. They are used to ship semen with Fedex and UPS since liquid nitrogen is considered hazardous to ship. They have an absorbent material that soaks up the liquid nitrogen and will not spill it if the shipper tips over. So it is still there in a liquid state, but soaked into the material - not pooled in the tank. </p><p>If transporting a conventional tank, I put the tank in the seat of the truck and fasten it with the seat belt. However this is dangerous in a couple of ways. In a crash, it can release all the nitrogen into the vehicle, freezing you or vaporizing and smothering you since it will displace the oxygen in the air. If you transport in the bed of the pickup, tie or clip the plastic cover so it does not open. If that plastic cover opens, the moisture in the air rushing by the foam plug as you drive can freeze the plug to the tank since the nitrogen vapor against the foam plug is cold. Then the nitrogen vapor cannot escape and pressurizes the tank. Remember the 0.1 liter of nitrogen per day that vaporizes. Some may remember (probably not) the equation PV=nRT. What that means is that the vapor takes up a LOT more space than the liquid and will build pressure in a plugged tank until the tank splits or erupts.</p></blockquote><p></p>
[QUOTE="simme, post: 1687006, member: 40418"] Straws don't have to covered by the liquid. The academic answer is that you are OK as long as there is any liquid in the tank. Since it vaporizes at a constant temperature of about -300 degrees F. But as soon as the liquid is gone, temperatures will drop and semen will be ruined. Practical answer is to keep at least 5 inches in the tank with 2 inches being the point to have big anxiety. The common 20 liter tank will evaporate about 0.1 liter per day. Vapor shippers are an exception. They are used to ship semen with Fedex and UPS since liquid nitrogen is considered hazardous to ship. They have an absorbent material that soaks up the liquid nitrogen and will not spill it if the shipper tips over. So it is still there in a liquid state, but soaked into the material - not pooled in the tank. If transporting a conventional tank, I put the tank in the seat of the truck and fasten it with the seat belt. However this is dangerous in a couple of ways. In a crash, it can release all the nitrogen into the vehicle, freezing you or vaporizing and smothering you since it will displace the oxygen in the air. If you transport in the bed of the pickup, tie or clip the plastic cover so it does not open. If that plastic cover opens, the moisture in the air rushing by the foam plug as you drive can freeze the plug to the tank since the nitrogen vapor against the foam plug is cold. Then the nitrogen vapor cannot escape and pressurizes the tank. Remember the 0.1 liter of nitrogen per day that vaporizes. Some may remember (probably not) the equation PV=nRT. What that means is that the vapor takes up a LOT more space than the liquid and will build pressure in a plugged tank until the tank splits or erupts. [/QUOTE]
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Best bait for fishing in my semen tank?
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