dipping

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dipping

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.

dipping

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.

dipping cage
the beasts are put into the cage one at a time and lowered into a small vat of insecticide.
dipping vat
a deep, long trough which is filled with insecticide and the animals are forced to swim through it. Called also plunge dip.
References in periodicals archive ?
Bacterial organisms that may occur in the dipping vats as oxygen is depleted gradually convert coumaphos into potasan, a compound highly toxic to cattle.
About 100,000 gallons of spent vat fluid are generated annually in the 42 dipping vats of APHIS' Tick Eradication Program.
Mulbry and Karns devised a way of cleaning the contents of dipping vats.
In spite of occasional problems with using coumaphos in dipping vats, it has been a worthy chemical for fighting a host of pests.
And for safe disposal of spent dipping vat contents, Karns and Shelton have discovered several bacteria that degrade coumaphos into harmless material.
APHIS monitors about 50 concrete dipping vats in the quarantine zone and at other U.
But problems have come to be associated with dipping vats.
So researchers at ARS' Cattle Fever Tick Research lab in Mission, Texas, send samples from dipping vats to the Beltsville scientists for analysis of coumaphos and potasan concentrations.
Just as important as these new compounds were the improved methods of application of the material to the animals which have, in many cases, eliminated old methods of treatment such as dipping vats.