8 CCR 1202-15, pt. 12 - Enclosures

All pet animal enclosures must meet these minimum requirements respective to species:

12.1. Dogs

Dogs: Enclosure Sizes (dogs over 22 weeks or over 30 lbs.)

Length: tip of nose to base of tail

Formula: (length of the dog in inches + 6) x (length of the dog in inches + 6)/144 = required sq. ft.

Up to 5 days: formula

>5 to 30 days: formula x 1.5

>30 days to 6 months: formula x 2

6+ months: formula x 3

12.1.1. When three or more dogs occupy an enclosure, space is to be calculated for the largest dog with the third, fourth, and fifth dogs each requiring an additional one-half of the space required for the largest dog.
12.1.2. The minimum height of the enclosure must be at least 6 inches higher than the head of the tallest dog in the enclosure when the dog is in a normal standing position.
12.1.3. Crates may be used in any facility for 14 hours or less within any 24-hour period with dogs housed in appropriately sized enclosure (based on length of stay) for the remaining hours in this period.
12.1.4. Housing boarded dogs in crates requires written consent of the owner.
12.1.5. Crates of the minimum dimensions set forth in these Rules may be used to house one dog only.
12.1.6. Puppies that are weaned and are under 22 weeks of age and under 30 pounds must be housed according to the puppy chart.
12.1.7. Dogs over 22 weeks or over 30 pounds shall be housed according to the adult dog chart.

Puppy

Under 16 Weeks

16-22 Weeks

Size

Weight - lbs.

Sq. Ft.

Sq. Ft.

X-Small

0-4

1.25

1.875

Small

>4 and up to 10

2

3

Medium

>10 and up to 20

2.5

3.75

Large

>20 and up to 30

5

7.5

12.1.8. The floor of the enclosure may be made of the following:
12.1.8.1. Wire, provided that the wire is of a gauge adequate to prevent sagging under the weight of the animal or injury to the feet and provided that the wire is coated and the mesh is small enough to prevent the foot from passing through and to prevent discomfort to the animal.
12.1.8.1.1. When wire flooring is used, a solid resting surface, large enough to allow all dogs to simultaneously lie recumbent, must be provided; and
12.1.8.1.2. Solid resting surfaces must be able to be easily cleaned and sanitized.
12.1.8.2. Approved flooring consisting of slatted flooring, galvanized, expanded metal flooring or expanded metal coated with a flexible plastic surface, or other surface approved by the Commissioner; or
12.1.8.3. Any solid material that is water-resistant and able to be cleaned and sanitized.
12.1.9. Standing water must be removed from enclosures.
12.1.10. Any request for an exemption from these minimum size requirements must be made to the Commissioner in writing and must be accompanied by a plan to provide exercise at a minimum of 60 minutes per animal, per day. To be considered for an exemption, the facility may have no pending disciplinary actions as contemplated by PACFA or these Rules.
12.2. Cats

Cats: In facility up to 90 Days

Cats: Housed >90 Days

Weight-lbs.

Sq. Ft.

Sq. Ft.

<= 2

2.5

5

>2 and up to 6

3

6

>6 and up to 10

6

10

>10 and up to 15

7

10

>15

8

10

12.2.1. Each enclosure for housing cats must be at least 21 inches high.
12.2.2. Each additional cat in the same enclosure requires additional square footage as designated by the chart.
12.2.3. The space occupied by any litter box without a flat hood may not be included in the calculation of the total floor space.
12.2.4. The floors of enclosures for cats must be constructed of solid material.
12.2.5. Outdoor enclosures for cats must include one or more shelter structures that are accessible to each cat in each enclosure and that are large enough to allow each animal housed within to sit, stand, lie in a normal manner, and to turn freely.
12.2.6. An elevated resting surface is required after a cat has been housed in a facility for longer than 90 days. The elevated resting surface must be positioned to allow the cat to exercise normal postural movements while perching on the elevated resting surface. The space underneath the elevated resting surface may be included in the calculation of the total floor space if the elevated area is high enough that the cat can exercise normal postural movements underneath it.
12.2.7. Litter boxes designed to capture a cat's excrement within an enclosure must be provided in sufficient number, be of adequate size, and be located in a manner to enable each cat within the enclosure access to the litter box.
12.2.8. Enclosures housing three or more cats are considered colonies and must provide a minimum of 10 square feet of floor space per cat over 4 months of age. In addition, an elevated solid resting surface or surfaces must be provided. The resting surface must be high enough so that the cat can fit underneath and minimally provide 1.5 square feet of additional space per cat. Kittens over 8 weeks of age and under 22 weeks housed in colonies must be provided 7.5 square feet of floor space per kitten with an additional square foot of resting surface space per kitten that is high enough for the kitten to get underneath.
12.2.9. No more than 25 cats or kittens may be housed in the same enclosure.
12.2.10. Kittens from weaning up to 22 weeks of age must be housed according to the kitten chart.
12.2.11. Cats over 22 weeks of age must be housed according to the adult cat chart.

Kittens

Under 16 Weeks

16-22 Weeks

Size

Weight - lbs.

Sq. Ft.

Sq. Ft.

Small

up to 3

1

1.5

Medium

over 3

2

3

12.3. Birds

Weaned Birds

Days in the Facility

Length of each bird - inches

Up to 10 days

10 days to 60 days

Over 60 days

Up to 6

1 cubic ft. per 18" of bird in aggregate

x 2

x 4

Up to 24

(length of bird in inches) cubed = cubic inches required

x 2

x 4

Over 24

(length of bird in inches) cubed = cubic inches required

x 2

x 4

1 cubic ft. = 1,728 cubic inches

12.3.1. Unweaned birds must have enough space to exercise normal postural movement.
12.3.2. Sufficient perching space is required to allow all birds housed to perch simultaneously.
12.3.2.1. A single, well-placed perch may be adequate for Psittacines. Well-placed means that the bird can stand completely upright on the perch without having any head contact with the ceiling of the cage and, at the same time, without the tail touching the floor or grate of the cage.
12.3.2.2. At least two perches, one at each end of the cage, must be provided for all species that prefer flying or jumping rather than climbing.
12.3.2.3. Perches must be strategically placed to prevent droppings from contaminating other birds and the birds' food and water supply and also to prevent the birds' tails from making contact with the food and water.
12.3.3. The cage must be large enough to allow every bird to sit comfortably on a perch, fan its tail, and spread both wings without touching the sides of the cage or any other bird in the enclosure.
12.3.4. Cage measurements are based on the actual living space and do not include T-stands or perches attached to the outside of the cage or the space below the cage grate.
12.4. Rabbits

Rabbits

Up to 30 Days

Over 30 Days

Weight - lbs.

Sq. Ft.

Sq. Ft.

Up to 2

1

2.5

Up to 4

2

4

Up to 12

3

6

Up to 20

5

8

12.4.1. Each additional rabbit within the enclosure requires additional square footage as designated by the chart.
12.4.2. The floor of a rabbit's enclosure must be constructed of material that prevents pododermatitis (foot problems) and that can be adequately cleaned and sanitized. Mesh flooring must be small enough to prevent the animal's feet from passing through and to prevent discomfort to the animal.
12.4.3. Does with litters require 1.5 times the minimum square footage as designated by the chart.
12.4.4. Enclosures housing rabbits in colonies must provide a minimum of 10 square feet of floor space per rabbit over 4 months of age. Rabbits over 6 weeks of age and under 4 months of age must be provided 7.5 square feet of floor space. No more than 25 rabbits may be housed in the same enclosure.
12.4.5. The minimum height for any rabbit's enclosure is 15 inches.
12.4.6. Enclosure must provide adequate ventilation to prevent odor build-up and to maintain appropriate ambient temperature for the rabbits.
12.5. Guinea Pigs

Guinea Pigs

Weight - gms.

Sq. In.

Up to 350

60

350-500

90

Over 500

120

12.5.1. Each additional guinea pig within the enclosure requires additional space as designated by the chart.
12.5.2. Minimum height for enclosures is 12 inches.
12.5.3. The horizontal floors of enclosures for guinea pigs must be constructed of solid material.
12.5.4. Sows with litters require 1.5 times the minimum square footage per chart until weaned.
12.6. Chinchillas, Hedgehogs, and Sugar gliders
12.6.1. Enclosures must provide no less than 360 square inches of floor space per adult chinchilla, hedgehog, sugar glider or a female animal with one litter until weaned. When more than one hedgehog occupies an enclosure, each additional hedgehog requires one half of the space of the first hedgehog.
12.6.2. For chinchillas and sugar gliders, a security shelter is required and a dust bath is required no less than twice weekly.
12.6.3. An elevated perching platform is required for chinchillas and sugar gliders.
12.6.4. The horizontal floors of enclosures for chinchillas, hedgehogs, and sugar gliders must be constructed of solid material.
12.6.5. Minimum height for enclosures for chinchillas and sugar gliders is 16 inches. 12.6.6 Minimum height for enclosures for hedgehogs is 12 inches
12.7. Mice

Mice

Weight in gms.

Sq. In. per animal

Up to 10

6

Up to 15

8

Up to 25

12

>25

15

12.7.1. The horizontal floors of enclosures for mice must be constructed of solid material.
12.7.2. Enclosure sizes based on the weight of the female are accepted for a mouse with 1 litter until weaned.
12.7.3. An enclosure's height must be a minimum of 3 ½ inches above the substrate.
12.7.4. No more than 200 mice may be housed in any enclosure at any time.
12.8. Rats

Rats

Weight - gms.

Sq. In. per animal

Up to 100

17

Up to 200

23

Up to 300

29

Up to 400

40

Up to 500

60

>500

70

12.8.1. A rat's enclosure height must be 7 inches with a minimum of 5 ½ inches above the substrate.
12.8.2. The horizontal floors of enclosures for rats must be constructed of solid material.
12.8.3. Enclosure sizes based on the weight of the female are accepted for a rat with 1 litter until weaned.
12.8.4. No more than 200 rats may be housed in any enclosure at any time.
12.9. Hamsters and Gerbils

Hamsters and Gerbils

Weight - gms.

Sq. In. per animal

Up to 60

10

Up to 80

13

Up to 100

16

>100

19

12.9.1. Hamsters' and gerbils' enclosures height must be 7 inches with a minimum of 5 ½ inches above the substrate.
12.9.2. The horizontal floors of enclosures for hamsters and gerbils must be constructed of solid material.
12.9.3. Enclosure sizes based on the weight of the female are accepted for a hamster or gerbil with 1 litter until weaned.
12.10. Ferrets

Ferrets

Age

Sq. Ft. Per Animal

Up to 10 weeks

1

10-16 weeks

1.5

Over 16 weeks

2

12.10.1. Each additional ferret within the enclosure requires additional square footage as designated by the chart or for a jill with kits.
12.10.2. The horizontal floors of enclosures for ferrets must be constructed of solid material.
12.10.3. The minimum height for a ferret's enclosure is 18 inches.
12.10.4. No aquaria may be used to house ferrets.
12.10.5. Enclosures for ferrets when constructed using a steel mesh must be of small enough mesh to prevent humans from putting their fingers into the cage and to prevent the ferret from being able to get its snout through the mesh. Other suitable cage designs are subject to approval by the Commissioner. If enclosures do not meet these standards, there must be a sign attached to the enclosure stating that ferrets may bite.
12.11. Reptiles and Amphibians (Herptiles)
12.11.1. The floors of enclosures for herptiles must be constructed of solid material.
12.11.2. The enclosure must be constructed to maintain appropriate humidity and ventilation.
12.11.3. The bottom of the enclosures must be covered with a substrate material that is suitable for the particular species.
12.11.4. The enclosure must contain a variety of structures, materials, and plants, as appropriate, to meet the needs and satisfy behavioral characteristics of different species. Suitable landscaping must protect the animal, reduce stress, and help recreate the animal's natural habitat.
12.11.5. Security shelters, as appropriate to the species, must be provided in the enclosure to allow the animal security, protect the animal from stress, and help recreate the animal's natural habitat. Number and placement of shelters in the enclosure must ensure no animal is forced to choose between its security and maintaining its proper body temperature.
12.11.6. When appropriate to the species, a basking area affording both heat and light must be provided. Enclosures must be large enough to provide a temperature gradient to allow for the animal's normal thermoregulation.
12.11.7. At least 30% of the floor space must be left open for the reptile to move about easily, feed, water, and defecate, and to make movements necessary for thermoregulation when appropriate to the species.
12.11.8. A thermometer must be used to determine the temperature inside the enclosure. Enclosures that do not contain a thermometer must record the temperature weekly and anytime a new reptile or amphibian is added to the enclosure.
12.11.9. Humidity within the enclosure must be maintained as appropriate to the species. A hygrometer must be used to determine the humidity inside the enclosure. Enclosures that do not contain a hygrometer must record the humidity weekly and anytime a new reptile or amphibian is added to the enclosure.
12.11.10. As appropriate to the species, UVB lighting must be provided as part of the enclosure. UVB bulbs must be metered to ensure appropriate output. The enclosure must be constructed to allow UVB light to penetrate the enclosure. Facilities housing reptiles must have the ability to meter the available UVB by means of a metering device. UVB lighting must be recorded monthly and anytime a new reptile is added to the enclosure.
12.11.11. Wholesale only facilities keeping herptiles fewer than 14 days may submit written request to the Commissioner for an exemption from the UVB requirement.
12.11.12. Lizards
12.11.12.1. Regardless of the minimum space required, the dimensions of the enclosure must allow all animals to exhibit normal postural movement and be appropriate to the species.
12.11.12.2. The required space per lizard is to be calculated as: (1.5L)(L)(.5L) = required cubic inches.
12.11.12.3. No enclosure may house more than 36 lizards regardless of calculated space.
12.11.12.4. In addition to the minimum space requirement, a basking area is required as appropriate to the species.
12.11.12.5. For lizards housed in groups the following space must be provided for each additional lizard:

(L = length of individual lizard in inches measured from tip of nose to tip of tail)

12.11.12.5.1. Each lizard over 12 inches added to an enclosure must have a minimum of 500 cubic inches.
12.11.12.5.2. Each lizard over 16 inches added to an enclosure must have a minimum of 1800 cubic inches.
12.11.12.5.3. Each lizard over 20 inches added to an enclosure must have a minimum of 3000 cubic inches.
12.11.12.5.4. Each lizard over 24 inches added to an enclosure must have a minimum of 5000 cubic inches.
12.11.12.5.5. Lizards housed over 90 days shall have double the space for each lizard in the enclosure.
12.11.13. Turtles
12.11.13.1. Land Turtles must be provided clean, potable water at all times in a shallow pan that the turtle can easily get into or out of with a water depth no deeper than the turtle's chin when its head is straight out.
12.11.13.2. Water turtles must have clean, potable water available at all times. The depth of water in the enclosure must be at least equal to the carapace length of the turtle with a gradual access leading to a basking area.
12.11.13.3. Enclosure must provide minimum square footage of 70 square inches per 4 inches of carapace length per turtle.
12.11.13.4. The following must be subtracted (not counted) from the square footage: basking area, food dish, water dish, and security shelter.

(All turtles must be measured by straight carapace length.)

12.11.14. Frogs
12.11.14.1. The length of the enclosure for hopping frogs must be four (4) times the length of the frog, and the height must be three (3) times the length of the frog.
12.11.14.2. The length of the enclosure for tree frogs must be two (2) times the length of the frog, and the height must be three (3) times the length of the frog.
12.11.15. For all other amphibians, the area of the enclosure must be five (5) square inches per inch of length of animal and must have a height of two (2) times the length of the animal.
12.11.16. Snakes: At least 30% of the floor space must be left open for the snake to move about easily, feed, water, and defecate, and to make movements necessary for thermoregulation. Arboreal snakes must be provided with a perch.
12.12. An enclosure containing poisonous or venomous animals must be clearly labeled "Poisonous." The enclosure must prevent injury to the public by the animal or escape by the animal.
12.13. Fish
12.13.1. Aquaria and ponds must maintain adequate water levels to sustain aquatic life.
12.13.2. Aquarium lids may not provide an airtight barrier.
12.13.3. Substrate material must cover the bottom of the freshwater aquarium if an underground filter is utilized. Filter-bed material must be a minimum of 1 inch thick across the entire bottom of the aquarium.
12.13.4. Harmful nitrogenous waste products must be managed by the use of biological or chemical filtration.
12.13.5. Labyrinth fish, such as Bettas, do not require the use of filtration systems, but the water in the enclosure must be changed weekly or more often if necessary.
12.13.6. Water chemistry must be tested and recorded weekly to make sure the following specific criteria are within prescribed limits for established aquaria:
12.13.6.1. Free ammonia concentration- the presence of free ammonia indicates that the biological filter is not working properly or the aquarium is overcrowded or overfed. The maximum acceptable level of free ammonia in a healthy aquarium is 1 ppm.
12.13.6.2. PH- measures the acidity or the alkalinity of the water. The PH reading can vary from 5.5 to 9.0 depending on the requirements of a particular species of fish.
12.13.7. Any time more than 30% of a tank's water is replaced with chlorinated water, the aquarium must be treated with a water conditioner that will specifically remove chlorine or chloramines.
12.13.8. Dead fish must be removed from the enclosure once daily or more often if necessary.
12.13.9. Water in aquaria must be maintained at a temperature appropriate to the species. Accurate water temperature will be measured by a suitable aquarium thermometer.
12.13.10. Fish must be fed food appropriate to the species on a routine basis to maintain good fish health and to maintain good water quality.
12.14. All enclosures must allow each pet animal to turn around, exercise normal postural movements, and experience necessary socialization with cage mates, when applicable.
12.15. Pet animal holding or drying areas must be large enough to allow the animal to stand, lie down, and turn around.
12.16. In exigent circumstances, impoundment facilities may provide minimum space that allows each pet animal to turn around and exercise normal postural movements. These circumstances may not be of a routine nature and must be approved by the Commissioner.
12.17. Any enclosure must be well-constructed, maintained in good repair, and constructed to allow animals to remain dry (when applicable) and clean.
12.18. Enclosures must contain animals, protect them from injury, and keep predators out.
12.19. Enclosures must provide all environmental conditions necessary for health and safety of the animals contained in them.
12.20. All surfaces of indoor enclosures must be constructed of materials that are water-resistant and can be cleaned and sanitized. Wood accessories for birds and small animals are accepted.
12.21. Animal shelters must have solid walls between enclosures in all dog and cat housing areas. The walls in dog and cat housing areas must prevent water and waste material from flowing between enclosures and must be high enough to prevent nose-to-nose contact of animals between enclosures. After a pet dog or cat has been housed in a animal sanctuary facility for longer than 180 days (6 months), solid walls are no longer required for that animal's enclosure.
12.22. Every facility must have the ability to accurately weigh each species of animal housed or transferred according to weight.
12.23. The photoperiod and photo spectrum must be appropriate to the species.
12.24. Cedar shavings must not be used as litter material.
12.25. Minimum space requirements for other animals will be determined by the Commissioner on an individual basis.

Notes

8 CCR 1202-15, pt. 12
39 CR 13, July 10, 2016, effective 7/30/2016 40 CR 09, May 10, 2017, effective 5/30/2017 42 CR 18, September 25, 2019, effective 10/30/2019 43 CR 22, November 25, 2020, effective 12/15/2020 44 CR 19, October 10, 2021, effective 10/30/2021 45 CR 10, May 25, 2022, effective 6/15/2022 46 CR 08, April 25, 2023, effective 5/15/2023

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