If you use CMPK instead of Cal gluconate you don't really need to worry about the speed that it goes in.
The other thing too, is that when a cow is down with milk fever, her heart is not beating effectively - so it can take 30 or 45 seconds for the vein to fill up enough to be able to stick it, and you have to really close it off and keep it closed off to get enough blood in it to lift the walls enough to provide access for the needle tip. And, when they are laying down, things aren't always where you think they would be.
Pepper-Angus/Dexter/Jersey 11 yr Mocha (aka Crazy Cow) 10 yr Eva Holstein 10 yr Chloe - Jersey/Dexter 9 yr Dolly - Jersey 9 Brie - Jersey - 8 Fern - 4 Birdie - 4
I believe that any calcium product adminstered IV needs a rated flow so as to not cause heart failure. The presence of other electrolytes does not make it safer, unfortunately. If you keep the bottle at shoulder level, that generally gives you a nice steady rate (one bubble every few seconds, about 15 minutes per bottle). After the drip is started, use a stethoscope to listen to the heart. Any increase, decrease or irregularities in heart rate signal that you need to back off a bit - just lower the bottle a bit until the flow stops/slows and the heart beat evens out again. Then slowly start the flow again. (Exception would be a cow with a weak pulse due to advanced MF, in which case you would expect a strengthening of heart beat). Usually it's the second bottle where you start noticing some changes and need to be more careful.
Jingle - Jersey milk cow Norma Jean - Normande x Jersey x Milking Shorthorn Belle - Normande x Jersey heifer Willow - NZ Jersey heifer
In the case of milk fever, with a cow down (as I had) the veins will be prominent, or made so easily, without manipulation so long as there is no trauma (bleeding) even in a declining state. As in humans, veins are easier to locate when they are at or below the level of the heart.
Last Edit: Feb 7, 2019 13:20:06 GMT -5 by brigitte
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