The livestock owner may treat for psoroptic scabies by dipping or use of Ivermectin or Dectomax.

1. (1) When dipping is the selected treatment, the following procedures shall apply:

   1. (A) All infested livestock in the herd must be dipped twice with Co-Ral (Coumaphos) or GX-118 (Prolate), ten to 14 days apart. They must be kept in the dipping vat at least one minute. The heads of all animals must be submerged and wet before the animals leave the vat.
   2. (B) At the first dipping, all animals will be counted and paint-branded on the left hip or side. At the second dipping, a similar brand will be placed on the right hip or side.

2. (2) When Ivermectin is the selected treatment, the following procedures will apply.

   1. (A) All infested livestock in the herd must be treated in accordance with the label directions under the supervision of the commission; the United States Department of Agriculture, Veterinary Services; or an accredited veterinarian. Treated livestock may be released from quarantine not less than 14 days from date of treatment provided they have been kept physically separated for 14 days from all untreated livestock.
   2. (B) Ivermectin may not be used with female dairy cattle of breeding age. Livestock treated with Ivermectin must be withheld from slaughter according to label directions.

3. (3) When Dectomax is the selected treatment, the following procedures will apply:

   1. (A) All infested livestock in the herd must be treated in accordance with the label directions under the supervision of the Commission; United States Department of Agriculture, Veterinary Services; or an accredited veterinarian. Treated livestock may be released from quarantine not less than 14 days from date of treatment provided they have been kept physically separated for 14 days from all untreated livestock.
   2. (B) Dectomax may not be used with female dairy cattle of breeding age, preruminating calves, or calves to be processed for veal. Livestock treated with Dectomax must be withheld from slaughter according to label directions.

Source Note:The provisions of this §39.2 adopted to be effective July 15, 1993, 18 TexReg 4235; amended to be effective April 30, 1997, 22 TexReg 3649.