Zoo Animal Care Notes

Hippopotamus

  • Diet: Herbivorous
    • Grass and aquatic plants
    • Supplemented with hay and produce
  • Handling:
    • Rarely handle directly
    • Manage with protected contact and shift training
  • Environment:
    • Large aquatic and terrestrial enclosures
    • Pools, mud wallows, and shaded areas
  • Lifespan: 40-50 years in captivity
  • Mating: Year-round breeders, 8-month gestation, usually one calf
  • Training:
    • Positive reinforcement for health checks
    • Shifting between pools and enclosures
  • Signs of Illness:
    • Changes in appetite
    • Abnormal swimming
    • Skin lesions
  • Enrichment:
    • Water sprays
    • Novel objects
    • Refeeding challenges
    • Mud wallows
  • Hygiene:
    • Quality water quality monitoring
    • Daily waste removal
    • Habitat maintenance

Red Pandas

  • Diet:
    • Mostly bamboo
    • Supplemented with fruit, insects, eggs, and formulated biscuits
  • Handling:
    • Minimally handled
    • Use protected contact and positive reinforcement
  • Environment:
    • Cool forested enclosures
    • Trees, climbing structures, and dens
  • Lifespan: 8-14 years in captivity
  • Mating: Seasonal breeders, 112-158 day gestation, usually 1-4 cubs
  • Training:
    • Target and voluntary cooperation for veterinary procedures and transport
  • Signs of Illness:
    • Loss of appetite
    • Lethargy
    • Changes in fur quality
  • Enrichment:
    • Climbing enrichment
    • Scent objects
    • Puzzle feeders
  • Hygiene:
    • Daily cleaning
    • Freshwater
    • Environmental enrichment

Tortoises

  • Diet: Herbivorous
    • Grasses, leafy greens, fruit, and flowers
  • Handling:
    • Gentle, support full body
    • Avoid sudden movements
  • Environment:
    • Dry, warm enclosures
    • Shaded and sunny areas, substrate for burrowing
  • Lifespan: 40+ years, some up to 100 years
  • Mating: Seasonal, females may lay multiple clutches of eggs per year
  • Training: Limited, conditioned for feeding and health checks
  • Signs of Illness:
    • Swollen eyes
    • Lethargy
    • Shell deformities
  • Enrichment: Varied terrain, logs, and plants to encourage natural behavior
  • Hygiene: Regular enclosure cleanings and freshwater provision

Komodo Dragons

  • Diet: Carnivorous
    • Whole prey such as rodents, birds, and occasionally fish
  • Handling:
    • Very limited due to size and strength
    • Handled by experienced keepers with protective equipment
    • Usually shifted using barriers or targets
  • Environment:
    • Large secure enclosures
    • Natural substrate, masking spots, UVB lighting, and water pools
  • Lifespan: 20-30 years in captivity
  • Mating: Seasonal; females lay 15-30 eggs in burrows, incubation about 8 months
  • Training: Limited; target training helps with moving and health checks
  • Signs of Illness:
    • Swelling
    • Lethargy
    • Loss of appetite
    • Difficulty moving
  • Enrichment: Hiding places, scented trails, and feeding challenges to simulate hunting instincts
  • Hygiene: Regular substrate cleaning, water changes, and enclosure maintenance

Lemurs

  • Diet: Mainly fruits, leaves, flowers, and some insects
  • Handling:
    • Usually managed with protected contact
    • Training to enter transport crates and cooperate with health checks
  • Environment:
    • Large complex enclosures with climbing structures, ropes, and shaded resting areas
    • Prefers outdoors access with varied vegetation
  • Lifespan: 16-20 years in captivity
  • Mating: Seasonal breeders; females give birth to 1-2 offspring after 130 days gestation
  • Training: Positive reinforcement training for veterinary care and husbandry tasks
  • Signs of Illness:
    • Loss of appetite
    • Lethargy
    • Abnormal feces
    • Respiratory issues
  • Enrichment: Puzzle feeders, scented trails, and social interactions are key
  • Hygiene: Enclosures cleaning daily, fresh water, and regular health monitoring

Quokkas

  • Diet: Herbivorous, grasses, leaves, and bark
  • Handling:
    • Wild animals usually observed rather than handled
    • In captivity, only handled by trained staff with minimal stress
  • Environment: Enclosures mimicking their natural habitat with shrubs, grass, and hiding spots
  • Lifespan: About 10 years
  • Mating: Breeding year-round with short gestation of 28 days followed by pouch development
  • Training: Minimal; habituated to keeper presence
  • Signs of Illness: Lethargy, weight loss, and abnormal behavior
  • Enrichment: Naturalistic environment and social group
  • Hygiene: Clean enclosures, fresh food, and water daily

Skinks (Blue Tongue Lizards)

  • Diet: Omnivorous, insects, fruit, and vegetables
  • Handling: Handled gently and infrequently to reduce stress
  • Environment: Terrariums with pseudo-substrate for digging, hiding, and basking areas
  • Lifespan: 15-20 years
  • Mating: Seasonal, females lay eggs or live young dependent on species
  • Training: Minimal, habituated to feeding and gentle handling
  • Signs of Illness: Weight loss, lethargy, and abnormal shedding
  • Enrichment: Varied substrate, climbing objects, and feeding variety
  • Hygiene: Regular substrate cleaning, water changes, and enclosure sanitizing

Snakes (Carpet Python)

  • Diet: Carnivorous, rodents, and birds, usually pre-killed or frozen/thawed
  • Handling: Gentle support of full body, avoiding sudden movements
  • Environment: Secure terrariums with appropriate temperature gradient, hides, and water bowls
  • Lifespan: 15-20 years
  • Mating: Seasonal, eggs or live birth depending on the species
  • Training: Limited, habituated to handling and feeding
  • Signs of Illness: Refusal to eat, respiratory distress, or skin lesions
  • Enrichment: Branches and hiding places to encourage exploration
  • Hygiene: Spot clean, substrate replacement, and fresh water refresh

Lizards (Bearded Dragon)

  • Diet: Omnivorous, insects, leafy greens, vegetables, and fruits
  • Handling: Generally calm, handled with care, avoid stress or injury
  • Environment: Heated terrariums with UVB lighting, basking spots, and hides
  • Lifespan: 8-12 years
  • Mating: Seasonal; females lay clutches of eggs in burrows
  • Training: Can be trained for feeding and gentle handling
  • Signs of Illness: Weight loss, lethargy, and abnormal shedding
  • Enrichment: Branches, rocks, and varied feeding items encourage natural behavior
  • Hygiene: Regular substrate cleaning, water refresh, and UVB maintenance

Frogs (Green Tree Frog)

  • Diet: Mainly live insects, crickets, flies, and moths
  • Handling: Minimal, handled with wet hands or gloves to protect sensitive skin
  • Environment: Humid terrariums with plants, hiding spots, and water pools
  • Lifespan: 5-10 years in captivity
  • Mating: Seasonal; males call to attract females to lay eggs in water
  • Training: Limited, conditioned to feeding spots possible
  • Signs of Illness: Skin discoloration, lethargy, and loss of appetite
  • Enrichment: Variety of climbing structures, live prey for hunting behavior
  • Hygiene: Regular water changes, substrate cleaning, and humidity control

General Zoo Birds

  • Diet: Varies on species, usually fresh fruits, seeds, pellets, insects, and nectar
  • Handling: Generally restrained, some trained for voluntary handling and positive reinforcement; feather condition and stress are monitored closely
  • Environment: Varies according to species needs with perches, nesting sites, and flight spaces; controlled temperatures and humidity depending on species
  • Lifespan: Varies widely from a few years to decades
  • Mating: Seasonal or year-round breeders; many build nests or use nest boxes
  • Training: Targets, recall training, common vet care, and enrichment
  • Signs of Illness: Feather plucking, lethargy, weight loss, respiratory noises
  • Enrichment: Puzzle feeders, social interactions, and environmental complexity
  • Hygiene: Regular cleaning, various fresh water daily, and monitoring of droppings

Saltwater Crocodile

  • Diet: Carnivorous, large fish, chicken, occasional mammalian prey
  • Handling: Dangerous species, handled only with restraints or barriers by trained staff
  • Environment: Tropical aquatic and basking zones with large water areas
  • Lifespan: Over 70 years
  • Mating: Courtship in water; females lay about 40-60 eggs incubated in about 80-90 days
  • Training: Target feeding and shifting between zones
  • Signs of Illness: Skin infections, listlessness, poor feeding response
  • Enrichment: Live prey stimulation, scent trails, floating logs
  • Hygiene: Similar to alligators, water changes, tank scrubs, and waste control

Alligators

  • Diet: Rodents, fish, birds, and occasional meat chunks
  • Handling: Not handled directly, managed from behind barriers using poles or tongs
  • Environment: Heated aquatic land zones with basking lights and UVB
  • Lifespan: 35-50 years
  • Mating: Courtship in females lay up to 50 eggs incubated over 60-65 days
  • Training: Station training, feeding response training
  • Signs of Illness: Floating abnormally, inappetence, bloating limbs
  • Enrichment: Floating prey, underwater obstacles, and scent trails
  • Hygiene: Water filtration, weekly water change, and regular tank cleaning

Echidna

  • Diet: Insectivorous, mealworms, ants, and insectivorous mix
  • Handling: Minimal, scoop gently underneath, never from the spine
  • Environment: Burrow substrate, hiding areas, and logs, cool dry environment is preferred
  • Lifespan: Up to 50 years in captivity
  • Mating: Solitary except for breeding; lay one egg incubated in the pouch for 10 days
  • Training: Limited, but can be conditioned for target feeding
  • Signs of Illness: Lethargy, decreased foraging, and abnormal feces
  • Enrichment: Ant trails, digging areas, and scented objects
  • Hygiene: Clean substrate weekly, spot clean daily

Camels

  • Diet: Herbivorous, hay, grass, grains, and salt licks
  • Handling: Gentle approach, halter trained for movement and medical care
  • Environment: Arid-style enclosure with sand, shelters, and water troughs; needs space to roam
  • Lifespan: 40-50 years
  • Mating: Males aggressive during rut, gestation is 13 months with one calf
  • Training: Basic lead training and desensitization for grooming and hoof care
  • Signs of Illness: Drooling, swelling around the mouth, limping, and not chewing cud
  • Enrichment: Hanging feeders, puzzle feeders, and rolling logs
  • Hygiene: Regular grooming, hoof trimming, and waste removal

Cheetahs

  • Diet: Carnivorous, whole prey like rabbits, chicken, supplemented with lean meats and vitamins
  • Handling: Managed using protected contact, trained to cooperate voluntarily for medical checks via target training
  • Environment: Large open space for running, shaded area, and platforms; quiet surrounding for reduced stress
  • Lifespan: 10-15 years in captivity
  • Mating: Females are solitary, gestation lasts 90-95 days, yielding 3-5 cubs
  • Training: Positive reinforcement for medical cooperation and enclosure movement
  • Signs of Illness: Loss of appetite, pacing, nasal discharge, coat condition changes
  • Enrichment: Scent trails, visual simulation like mirrors, and chase toys to mimic hunting
  • Hygiene: Spot cleaning daily, full enclosure sanitation weekly, and fresh water daily

Rhinoceros

  • Diet: Herbivorous, grass, hay, and specialized pellets; access to fresh water is essential
  • Handling: Generally managed through protective contact, training facilities, medical procedures, and daily care
  • Environment: Spacious enclosures with wallows, shaded area, and variety of terrain to encourage natural behaviors
  • Lifespan: 40-50 years in captivity
  • Mating: Non-seasonal breeders, gestation lasts around 16 months, resulting in a single calf
  • Training: Positive reinforcement techniques are used for health monitoring and husbandry tasks
  • Signs of Illness: Lethargy, skin lesions, or changes in feeding behavior
  • Enrichment: Mud wallows, scratching posts, and varied feeding methods to stimulate natural behaviors
  • Hygiene: Regular cleaning of enclosures, maintenance of water source, and routine health checks

Giraffe

  • Diet: Herbivorous, browse, leaves and twigs, hay, and specially formulated pellets
  • Handling: Due to their size, handling is limited; training and voluntary participation in medical procedures is essential
  • Environment: Large enclosures with varied terrains, tall trees, and feeding stations to encourage natural foraging behaviors
  • Lifespan: Typically 20-25 years in captivity
  • Mating: Non-seasonal breeders, gestation lasts about 15 months, resulting in a single calf
  • Training: Target training and habituation to facilitate veterinary care and husbandry tasks
  • Signs of Illness: Lameness, digestive issues, or changes in feeding behaviors
  • Enrichment: Feeding devices that mimic natural browsing, or environment complexity and social interactions
  • Hygiene: Regular cleaning of enclosures, monitoring of feeding areas, and routine health assessments

Capybara

  • Diet: Herbivorous, grass, hay, and aquatic plants, fresh fruit and vegetables, and and positive and can be offered in moderation
  • Handling: Generally docile, can be habituated to human interaction with gentle handling and positive reinforcement
  • Environment: Enclosures have access to waters for swimming, shaded areas, and ample of space for movement; social animals that thrive in groups
  • Lifespan: Typically 8-12 years in captivity
  • Mating: Breeding can occur year-round, gestation lasts around 150 days resulting in 2-8 offspring
  • Training: Can be trained for basic husbandry procedures using food rewards
  • Signs of Illness: Lethargy, skin issues, overgrown teeth, or changes in appetite
  • Enrichment: Swimming opportunities, varied diets, and social interactions with conspecifics
  • Hygiene: Regular cleaning and enclosures, water quality maintenance, and monitoring for signs of disease

Zebra

  • Diet: Herbivorous diet consisting of high-quality hay, grasses, and specialized pellets; fresh water must be available at all times
  • Handling: Zebras can be skittish; gentle habituation and positive reinforcements are used to handle the medical procedures
  • Environment: Large paddocks with ample of grazing area shelters, extreme weather, and secure fencing
  • Lifespan: Typically 20-25 years in captivity
  • Mating: Seasonal breeders, gestation lasts around 12 months resulting in a single foal
  • Training: Basic training for husbandry processes, including halter training and acclimation to veterinary procedures
  • Signs of Illness: Weight loss, lameness, dental issues, or changes in appetite and behavior
  • Enrichment: Rotating grazes grazing areas, introducing a novel object, and social interactions with herd members
  • Hygiene: Readily removed of manure maintenance of cleaning, feeding, and watering stations and routine hoof care

Turtle

  • Diet: Omnivorous diet, includes aquatic, small fish, and aquatic vegetation, commercial turtle, pellets, and supplement natural diet
  • Handling: Minimal handling is recommended to reduce stress; always wash hands before and after handling to prevent disease transmission
  • Environment: Aquatic setups with basking areas, UVB lighting, and water filtration systems; water temperature should be around maintained between 2222 to 2626 °\degreeCelsius.
  • Lifespan: Can live up to 50 years in captivity
  • Mating: Seasonal breeders; females lay eggs on land, which incubate for about 60-80 days depending on the species and environmental conditions
  • Training: Limited
    • Some turtles can be conditioned to feed at specific times or location.
  • Signs of Illness: Shell deformities, lethargy, swollen eyes, and refusal to eat
  • Enrichment: Varied diet, rearranged habitat structures, and live food to encourage natural foraging behaviors
  • Hygiene: Regular cleaning of enclosures, water changes, and monitoring of water quality parameters like HP, and ammonia levels

Tigers

  • Diet: Carnivorous diet, including whole prey like rabbits and goats, supplemented with beef, chicken, and commercial prefer prepared carnivore diets; feeding frequently varies with age and health service
  • Handling: Direct contact is avoided; training through protected contact using positive reinforcement allows health checks and minor procedures
  • Environment: Spacious enclosures with varied terrain, shaded areas, and elevated platforms; enrichment items like logs and toys encourage natural behaviors
  • Lifespan: Targets can live up to 20-25 years in captivity
  • Mating: Solitary breeders, females give birth of 2-4 cubs after gestation of 104 days
  • Training: Target training and desensitization techniques, solicitate volunteer participation in husbandry tasks
  • Signs of Illness: Lethargy, anorexia, abnormal gait, respiratory issues, or changes in behavior
  • Enrichment: Scent trails, puzzle feeders, and novel objects stimulate mental and physical activity; regular cleaning of enclosure, prompt removal of waste, and routine health monitoring are essential

Koala

  • Diet: Primarily eucalyptus leaves requiring specific species of nutritional balance
  • Handling: Minimal handling is essential to reduce stress; only trained professionals should handle koalas using proper support techniques
  • Environment: Enclosures should mimic natural habitats with ample eucalyptus trees, perching areas, and controlled humidity
  • Lifespan: Typically 10-12 years, up to 15 years in captivity
  • Mating: Breeding seasons occur between September and February; females give birth to single joeys after 35 days of gestation
  • Training: Limited
    • Focus on habituation to human presence for health checks
  • Signs of Illness: Lethargy, nasal discharge, red or swollen eyes, and changes in feces.
    • Care is regular health assessments, monitoring for chlamydia infection, and ensuring a consistent supply of fresh eucalyptus.
  • Enrichment: Rotating eucalyptus branches sent enrichments in varied perching options

Red Kangaroo

  • Diet: Grass, shrubs, and specialized pellets formulated for macropods
  • Handling: Avoid direct handling, use for chutes or sedation for medical procedures
  • Environment: Large open space with sandy substitutes and substrates and shaded areas
  • Lifespan: 22 years in captivity
  • Mating: Year-round breeding, females can exhibit embryonic diapause
  • Training: Target training, involuntary movement, and medical procedures
  • Signs of Illness: Lameness, weight loss, diarrhea, and abnormal behavior
  • Care: Regularly parasite control, hoof care, and monitoring of social dynamics
  • Enrichment: Dust baths, puffer peels, and varied terrain

Common Wombat

  • Diet: Native grasses, roots, and specialized herbivore pellets
  • Handling: Minimal handling, use of tunnels or crates of for movement
  • Environment: Borrowed system with soft soil, shaded areas, and secure fencing
  • Lifespan: Up to 20 years in captivity
  • Mating: Breeding season varies, gestation lasts about 20-30 days with a pouch period of 6-7 months
  • Training: Herb mutation to human presence, limited formal training
  • Signs of Illness: Skin lesions, lethargy, and changes in appetite
  • Care: Regular health checks, monitoring for mange, and dental site assessments
  • Enrichment: Digging opportunity, scented trails, and varied substances substrates

Asian Elephant

  • Diet: Hay, fruit, and specialized supplements
  • Handling: Protected contact methods providing reinforcement and cooperative behaviors
  • Environment: Spacious enclosures with mud wallows, pools, and varied terrain
  • Lifespan: Up to 60 years in captivity
  • Mating: Females have 22 months gestation breeding programs, often use artificial insemination
  • Training: Extensive positive reinforcement training for husbandry and medical procedures
  • Signs of Illness: Lameness, decreased appetite, and changes in social behavior
  • Care: Daily foot care, regular health monitoring, and social interaction
  • Enrichment: They use puzzle feeders, environmental changes, and social groupings

Chimpanzee

  • Diet: Fruit, vegetables, nuts, and primate-specific pellets
  • Handling: No direct contact, training for voluntary participation and procedures
  • Environment: A complex enclosure with climbing structures and social groupings
  • Lifespan: Up to 50 years in captivity
  • Mating: Non-seasonal breeders, gestation lasts about 230 days
  • Training: Positive reinforcement for medical procedures and enrichment activities
  • Signs of Illness: Lethargy, changing in social behaviors, and loss of appetite
  • Care: Regular health checks, mental stimulation, and social monitoring
  • Enrichment: Puzzle feeder tools, use opportunities, and social interactions

Orangutans

  • Diet: Fruit, vegetables, and primate-specific pellets
  • Handling: No direct contact training for voluntary participation in procedures
  • Environment: Abnormally enclosures with ample climbing opportunities
  • Lifespan: Up to 50 years in captivity
  • Mating: Non-seasonal breeders, gestation lasts about 245 days
  • Training: Positive reinforcements for medical procedures and enriched activities
  • Signs of Illness: Lethargy, changes in behavior, and loss of appetite
  • Care: Regular health checks, mental stimulation, and social monitoring
  • Enrichment: Climbing structures, puzzles, feeders, and varied substrates

Penguins (Little Penguins)

  • Diet: Small fish such as sardines and anchovies
  • Handling: Minimal handling training for voluntary participation and procedures
  • Environment: Aquatic enclosures with swimming areas and nesting sites
  • Lifespan: Up to 20 years captivity
  • Mating: Breeding season varied, nesting in burrows or artificial boxes
  • Training: Positive reinforcement and feeding medical procedures
  • Signs of Illness: Lethargy, feather loss, and changing in swimming behaviors
  • Care: Regularly health checks and water quality maintenance and diet monitoring
  • Enrichment: Live fish feeding, varied substrates, and nesting materials

Dingo

  • Diet: Carnivores. In captivity, they are fed raw meat, hog prey like rat and chickens, and sometimes specifically fornaminate formulated carnivore diets. Feeding is usually done once daily or every day to mimic wild patterns.
  • Handling: Dingoes can wear be wary and are not domesticated; handling should only be done by trained staff, but ideally using positive reinforcement training. Gloves and calm demeanor are essential.
  • Environment: Large, secure enclosures with plenty of space to roam dehydrated. Enrichment structures like climbing platforms, logs, and interactive feeders are key.
  • Lifespan: About 10-13 years in captivity, shorter in the wild
  • Mating: Dingoes breed once a year. The female gives birth to about 4-6 pups after a generation of gestation of about 63 days.
  • Training: Dingoes cannot learn basic commands and participate in conditional vet checks using clicker training and food rewards.
  • Signs of Illness: Lethargy, vomiting, diarrhea, coughing, skin issues, limping, and refusal to eat.
  • Hygiene: Enclosure should be cleaned daily, waste removed, bedding changed, and regularly water refreshed.

Tasmanian Devil

  • Diet: Carnivorous scavengers fed whole prey, raw meats, bones, and sometimes fish, fasted occasionally to mimic wild habit
  • Handling: Gloves and proper restraint methods are required, best done in confined low-stress settings
  • Environment: Large enclosures with natural substrates, holding dens, climbing areas, and water devils are solitary, so to avoid others is important
  • Lifespan: 5-8 years in captivity
  • Mating: Seasonal breed. Females give birth to about 20-30 tiny joeys, but only four survive due to limited teats, and aggressive mating behavior is common
  • Training: Food based training helps with crate and entry recalls. Devils respond well to conditioning
  • Signs of Illness: Dull coat, weight loss, aggression change, nasal discharge, wounds, or signs of devil facial tumor disease
  • Enrichment: Bones, puzzle feeders, buried scents, logs, and novelty items
  • Hygiene: Clean and closures daily, especially near food areas dense, clean regularly, and need to be monitored

Seal or Sea Lion

  • Diet: Carnivore diet, whole fish, mackerel, squid, supplemented with vitamins, fed several times a day often during training enrichment
  • Handling: Protected contact only training to present body parts, flip his mouth for exams, and positive reinforcement never approach from behind or startle. Calm, consistent interactions are essential.
  • Environment: They require large saltwater pools, filtered and chilled, haul out areas, shaded rest zones. Needs both water and dry access at all time. Clean water is crucial, often includes UV or ozone treatment systems.
  • Lifespan: They live about 20-25 years in captivity
  • Mating: Poly gynous breeders, dominant males defending herms. Breeding seasons once a year, one pup after eleven months gestation.
  • Training: Highly trainable, useful, volunteering, waiting, target medical education. They use fish as reward
  • Signs of Illness: Nasal discharge, change in appetite or vocalization, sluggishness or floating oddly, labored breathing, dull coat, or cloudy eyes
  • Enrichment: Icebox with fish, water, underwater toys, floating objects, scented drow, puzzle feeders, interactions with keepers, or other seals is enriching
  • Hygiene: Daily water filtration checks, scrubbing whole out areas, moving waste, fish prep areas sanitized regularly, fresh fish stored, and handled hygienically

Meerkats

  • Diet: Insectivomas or omnivorous, like insects, cricket, mealworms, small rodents, eggs, fruit, and commercial pellets; fed multiple times a day to mimic foraging behaviors
  • Handling: Not handled directly unless medical necessary small, fast, and highly social must always have group housing. For enrichment, sandy dry enclosures with tunnels, rocks, lookout posts must include heated indoor areas. Digging substrates is essential. Provide natural behavior outlets.
  • Lifespan: Their captivity lifespan is 12-15 years
  • Mating: Alpha pair typically monopolized breeding of the group. Gestation is eleven weeks litter of two to five pups. Young born in burrows and emerged after three weeks
  • Training: Can be trained with clickers or a whistle, recall, crate entry, station, and health checks
  • Signs of Illness: Hunched posture, lack of movement or digging, poor coat, changes in appetite, and social behaviors
  • Enrichment: Scattered feeding, digging pits, log piles, centered trails. Social interactions are also enrichment.
  • Hygiene: Spot clean daily
    • Full substrate changes each week
    • Clean water and feeding trays regularly