Slate

Developed in the United States, the Slate is a heritage turkey breed recognised for its unusual ashy blue-grey plumage. The colour runs from a soft solid slate to a lighter blue-grey flecked with darker spots, which is why keepers sometimes call the breed the Blue Slate or Lavender. It is a large, standard-sized bird kept for meat, for exhibition, and for the conservation of a rare colour variety.

Where the fast-growing commercial Broad Breasted White races to weight, the Slate matures slowly and breeds naturally. Toms typically reach about 10.5 kg (23 lb) and hens about 6.4 kg (14 lb) at maturity. Birds forage well on pasture and stay hardy across a range of climates, which suits lifestyle blocks and small farms more than intensive production.

The breed is calm and good-natured, alert to its surroundings, and happy to work a pasture for insects and greens. Numbers stay low, and heritage poultry keepers in New Zealand treat the Slate as a conservation breed.

Who it suits

Keepers after a self-reproducing heritage bird rather than a commercial meat line will find the Slate a good match. It rewards space to forage and steady handling. Show and conservation keepers value its rarity, while small farms gain a calm, dual-purpose bird that raises its own young.

Every domestic turkey descends from the wild turkey (Meleagris gallopavo) of North America. Birds taken to Europe in the sixteenth century were selected and crossed there, and some lines later returned to the United States, where regional varieties kept developing.

The Slate is one of the older recognised colour varieties. It was admitted to the American Poultry Association Standard of Perfection in 1874, alongside several other heritage turkey varieties of the period. A genetic dilution acting on black plumage produces the slate colour, which is why two distinct expressions turn up within the same variety.

Through most of the twentieth century the Slate, like other heritage turkeys, lived on farms as a general-purpose bird. The rise of the Broad Breasted White after the 1950s pushed heritage varieties to the margins, and Slate numbers fell sharply.

Conservation groups that track rare poultry list the Slate among heritage turkeys at risk. Fresh interest in pasture-raised and naturally breeding birds has helped small breeding flocks carry on, though the variety stays uncommon. In New Zealand it is shown under Poultry NZ standards.

Colour is the defining feature of the Slate: a slate or ashy blue-grey across the whole body. Two common expressions exist, a solid slaty grey and a lighter blue-grey carrying small black dots or flecks. The depth of colour shifts from bird to bird, and even within a single clutch.

The build is that of a standard heritage turkey, an upright, well-rounded body, a broad but not overdeveloped breast, and strong legs suited to foraging. The head and neck are largely bare, with a fleshy snood and wattles that flush red, blue, or white with the bird's mood. The beak is horn-coloured and the shanks and toes are pink or pinkish.

Coat and colours

Because the slate colour comes from a dilution gene, the variety does not breed perfectly uniform. Show birds aim for an even, clean slate with no brown or rust cast. Both the lighter spotted form and the solid form are accepted within the variety, and breeders often keep a mix to hold the colour.

One of the calmer heritage turkeys, the Slate has a name for a steady temper. Birds are good-natured and settle with regular, quiet handling. They stay alert and aware of their surroundings, watchful on open pasture without the skittishness some flighty lines show.

Slates raised around handling become approachable and easy to manage with people. Toms can display and grow more assertive during the breeding season, which is normal, so keepers should give space and avoid provoking displaying males. With other birds the breed is generally sociable and works a pasture in a loose group.

The breed forages willingly and stays active through the day, covering ground for insects, seeds, and greens. Because of this working habit, Slates do best with room to range rather than close confinement.

Clean water, balanced feed, and a dry, draught-free shelter carry the day-to-day care. As a foraging heritage bird, the Slate also gains from regular access to pasture or a planted run. Owners in New Zealand should keep flock welfare in line with MPI codes for poultry.

Grooming

• Check plumage for parasites such as mites and lice during routine handling
• Inspect feet and the underside of the foot for swelling or sores
• Keep dust-bathing areas of dry soil or sand available
• Watch the snood and wattles for cuts or scabs after squabbles

Exercise

• Provide daily access to a foraging area or pasture
• Allow space for natural walking, running, and wing-stretching
• Offer low perches; many turkeys roost off the ground at night
• Avoid prolonged close confinement, which leads to boredom and pecking

Environment

Slates handle a range of climates better than commercial lines but still need shade and water in heat and dry, wind-protected shelter in cold and wet weather. Ventilation without draughts keeps respiratory problems down. Predator-proof housing for night roosting is essential, since turkeys are open to attack after dark.

Turkeys need more protein than chickens, most of all as poults. A turkey or game-bird starter, then grower, then maintenance or breeder ration gives the right balance. Foraging adds extra insects and greens but should not replace a formulated feed. Provide insoluble grit for birds that eat plant material and forage, and keep clean water available at all times.

Treats and supplements

Greens, mealworms, and small amounts of cracked grain make useful treats but should stay under about 10 percent of the diet so the formulated ration drives growth. Offer a separate dish of crushed oyster shell for laying hens to support eggshell quality, and grit for any bird eating forage or whole grain.

As a naturally breeding heritage variety, the Slate is generally robust and sidesteps the leg and heart problems that fast-growing commercial turkeys carry. With good husbandry birds commonly live 5 to 10 years, though those raised for meat are processed far younger. Most health problems trace back to parasites, sanitation, or contact with other poultry.

Preventive care

• Keep turkeys separated from chickens to reduce blackhead risk
• Rotate pasture and keep housing dry and clean
• Quarantine new birds before adding them to the flock
• Provide dust-bathing areas to limit external parasites
• Schedule routine faecal checks and parasite control with a vet

As a large foraging bird, the Slate needs both secure housing and outdoor space. The shelter guards against weather and night predators, while the range gives the room to forage that the breed depends on. Turkeys prefer to roost off the ground, so sturdy raised perches count. Fencing should be tall, since heritage turkeys can fly short distances.

Setup checklist

• Predator-proof coop or barn with secure doors
• Raised roosting perches sized for adult birds
• Dry, absorbent bedding kept clean
• Shaded outdoor area and constant fresh water
• Tall perimeter fencing and secure night enclosure
• Dust-bathing spot of dry soil or sand

Slate eggs can hatch under a broody hen or in an incubator. Heritage turkeys often go broody and brood well, but incubation gives more control over numbers and timing. Turkey eggs take about 28 days, slightly longer than chicken eggs, so plan feed and brooder space to match.

Hatching steps

1. Collect clean eggs and store pointed-end down for no more than 7 to 10 days before setting
2. Warm eggs to room temperature, then set them in a pre-stabilised incubator
3. Maintain temperature and humidity and turn eggs regularly through day 25
4. Stop turning at day 25 (lockdown) and raise humidity for hatching
5. Leave hatched poults in the incubator until dry and fluffed before moving to a warm brooder