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1. Palpation of the liver by a quick depressive movement of the fingers while the hand is held flat on the abdomen.
2. Immersion of an object in a solution, esp. applied to the dipping of cattle or dogs for tick control.
3. A drop in blood pressure of 10% or more that occurs at night or during sleep. Nocturnal blood pressure dipping is a normal phenomenon. Its absence is associated with a variety of illnesses, including obstructive sleep apnea.
application of insecticide in large volume, dilute solution over the entire body for the purpose of controlling external parasites. It may be done in a plunge bath where the animal is totally immersed and must swim to the other end, or by spray dip where the animal passes through a battery of sprays that apply spray under pressure from every direction. Local application of insecticide for local effect is also carried out by jetting, and general effects are also obtained by insecticides applied as pour-ons. See also dip, teat dipping.
the beasts are put into the cage one at a time and lowered into a small vat of insecticide.
a deep, long trough which is filled with insecticide and the animals are forced to swim through it. Called also plunge dip.