The following words and terms, when used in this chapter, shall have the following meanings, unless the context clearly indicates otherwise.
  (1) Approved laboratories--Texas A&M Poultry Diagnostic Laboratories located at College Station, Center, and Gonzales, Texas, the National Veterinary Services Diagnostic Laboratory located in Ames, Iowa, and other laboratories specifically approved by the commission.
  (2) Baby poultry--Any newly hatched poultry that has not been fed or watered.
  (3) Commission--The Texas Animal Health Commission.
  (4) Commuter Flock--A National Poultry Improvement Plan (pullorum-typhoid clean or equivalent) flock in good standing with operations in participating states that are under single ownership or management control whose normal operations require interstate movement of hatching eggs and/or baby poultry without change of ownership for purposes of hatching, feeding, rearing or breeding. The owner or representative of the company owning the flock and chief animal health officials of participating states of origin and destination must have entered into a signed "Commuter Poultry Flock Agreement."
  (5) Designated areas--Laryngotracheitis (LT) area. An area considered exposed to LT consisting of a minimum of a one-mile radius around an infected farm and in which chick embryo origin LT vaccine may be used as provided in the regulations and where other specific procedures apply.
  (6) Endemic--A disease of low occurrence that is constantly present in a given animal population.
  (7) Hatching eggs--Poultry eggs for hatching purposes including embryonated eggs.
  (8) Permit--A written authorization for movement issued by the commission.
  (9) Person--A partnership, firm, corporation, association, or individual.
  (10) Poultry--Chickens, turkeys, game birds of all ages, and other domestic fowl, except baby poultry as defined in this section.
  (11) Reportable poultry disease--
    (A) Infection of and/or exposure to any of the following diseases shall be reported immediately upon disclosure of the disease to the Commission:
      (i) Viral.
        (I) Avian influenza.
        (II) Exotic Newcastle (VVND).
        (III) Infectious laryngotracheitis (LT).
        (IV) Duck plague (duck enteritis).
        (V) Avian Encephalitis.
        (VI) Paramyxovirus Disease other than Exotic Newcastle (VVND).
      (ii) Bacterial.
        (I) Salmonellosis (Pullorum, Fowl Typhoid).
        (II) Avian tuberculosis.
        (III) Ornithosis.
    (B) Any other disease of poultry, when not considered to be endemic in the State of Texas, is reportable under these regulations.
  (12) Vaccine--A suspension of attenuated or killed micro-organisms administered for the prevention or treatment of an infectious poultry disease and approved for use by USDA and the commission. The following is a list of approved vaccines:
    (A) Newcastle disease (B and LaSota strains);
    (B) infectious bronchitis without restriction;
    (C) fowl pox;
    (D) pigeon pox;
    (E) Marek's disease;
    (F) tenosynovitis (viral arthritis);
    (G) avian encephalomyelitis (AE);
    (H) infectious bursal disease;
    (I) erysipelas bacterin;
    (J) fowl cholera (bacterin and live attenuated CU strain vaccine);
    (K) infectious coryza bacterin;
    (L) combinations of approved vaccines, e.g., Newcastle disease and infectious bronchitis;
    (M) laryngotracheitis--modified tissue culture without restriction; or Chick Embryo Origin use upon tentative or confirmed diagnosis by an approved laboratory and upon written agreement between the commission and flock owners in a designated area for laryngotracheitis;
    (N) Salmonella arizonae bacterin is restricted to use in flocks where a confirmed diagnosis by an approved laboratory of Salmonella arizonae has been made. Written permit from the commission is required for use of this bacterin;
    (O) Mycoplasma gallisepticum (MG) attenuated vaccine is restricted to use in flocks where a confirmed diagnosis by an approved laboratory has been made. A written permit from the commission is required for use of the vaccine. MG vaccine may be used without restriction following approval outlined in §34.2(a) of this title (relating to Importation).

Source Note: The provisions of this §57.10 adopted to be effective November 5, 1981, 6 TexReg 3909; amended to be effective January 3, 1984, 8 TexReg 5347; amended to be effective July 31, 1984, 9 TexReg 3871; amended to be effective April 14, 1989, 14 TexReg 1582; amended to be effective July 20, 1992, 17 TexReg 4751; amended to be effective December 18, 1992, 17 TexReg 8289; amended to be effective September 30, 1996, 21 TexReg 8217; amended to be effective June 11, 2000, 25 TexReg 5330