MartinFarms":2wmm4ie9 said:I have sent off samples which comtained only 1cc and they tested it. I have a few cows and heifers every year I can't ever get to bleed.
wbvs58":30xr4m4i said:If they are pushed they can usually get a result from a minimum amount of blood. If it is serum they are after it is just a bit harder to draw it off the top of a small volume of blood but they will usually get it sorted. If you have enough to be able to make it run up and down the tube without all just sticking to the sides I would think you have enough.