(a) Heating, cooling, and temperature. Indoor housing
facilities for dogs and cats must be sufficiently heated and cooled
when necessary to protect the dogs and cats from temperature or humidity
extremes and to provide for their health and well-being. When dogs
or cats are present, the ambient temperature in the facility must
not fall below 50° F (10° C) for dogs and cats not acclimated
to lower temperatures, for those breeds that cannot tolerate lower
temperatures without stress or discomfort (such as short-haired breeds),
and for sick, aged, young, or infirm dogs and cats, except as approved
by a veterinarian. Dry bedding, solid resting boards, or other methods
of conserving body heat must be provided when temperatures are below
50° F (10° C). The ambient temperature must not fall below
45° F (7.2° C) for more than 2 consecutive hours when dogs
or cats are present, and must not rise above 85° F (29.5°
C) for more than 2 consecutive hours when dogs or cats are present.
The preceding requirements are in addition to, not in place of, all
other requirements pertaining to climatic conditions.
(b) Ventilation. Indoor housing facilities for dogs
and cats must be sufficiently ventilated at all times when dogs or
cats are present to provide for their health and well-being, and to
minimize odors, drafts, ammonia levels, and moisture condensation.
Ventilation must be provided by windows, vents, fans, or air conditioning.
Auxiliary ventilation, such as fans, blowers, or air conditioning
must be provided when the ambient temperature is 85° F (29.5°
C) or higher. The relative humidity must be maintained at a level
that ensures the health and well-being of the dogs or cats housed
therein, in accordance with the directions of a veterinarian and generally
accepted professional and husbandry practices, as documented in the
medical records maintained for each animal.
(c) Lighting. Indoor housing facilities for dogs and
cats must be lighted well enough to permit routine inspection and
cleaning of the facility, and observation of the dogs and cats. Animal
areas must be provided a regular diurnal lighting cycle of either
natural or artificial light. Lighting must be uniformly diffused throughout
animal facilities and provide sufficient illumination to aid in maintaining
good housekeeping practices, adequate cleaning, adequate inspection
of animals, and for the well-being of the animals. Primary enclosures
must be placed so as to protect the dogs and cats from excessive light.
(d) Interior surfaces. The floors and walls of indoor
housing facilities, and any other surfaces in contact with the animals,
must be impervious to moisture. The ceilings of indoor housing facilities
must be impervious to moisture or be replaceable (e.g., a suspended
ceiling with replaceable panels).
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