Miniature American Shepherd (Miniature Australian Shepherd)

Miniature American Shepherd: hip evaluations rated dysplastic (mild/moderate/severe combined), OFA cumulative statistics

• OFA is a voluntary-submission registry: owners/breeders choose whether to have a dog evaluated and whether to submit the result, so this is not a random sample of the breed and most likely understates true population prevalence.
• OFA publishes this breed's evaluations under one combined row, 'MINI AMERICAN/MINI AUSTRALIAN SHEPHERD' -- it does not separate the AKC-recognized Miniature American Shepherd from the Miniature Australian Shepherd name.

Miniature American Shepherd: elbow evaluations rated abnormal (grade 1-3 combined), OFA cumulative statistics

• OFA is a voluntary-submission registry: owners/breeders choose whether to have a dog evaluated and whether to submit the result, so this is not a random sample of the breed and most likely understates true population prevalence.
• OFA publishes this breed's evaluations under one combined row, 'MINI AMERICAN/MINI AUSTRALIAN SHEPHERD' -- it does not separate the AKC-recognized Miniature American Shepherd from the Miniature Australian Shepherd name.

Miniature American Shepherd: patellar luxation evaluations rated abnormal, OFA cumulative statistics

• OFA is a voluntary-submission registry: owners/breeders choose whether to have a dog evaluated and whether to submit the result, so this is not a random sample of the breed and most likely understates true population prevalence.
• OFA publishes this breed's evaluations under one combined row, 'MINI AMERICAN/MINI AUSTRALIAN SHEPHERD' -- it does not separate the AKC-recognized Miniature American Shepherd from the Miniature Australian Shepherd name.

Miniature American Shepherd: cardiac evaluations rated abnormal, OFA cumulative statistics

• OFA is a voluntary-submission registry: owners/breeders choose whether to have a dog evaluated and whether to submit the result, so this is not a random sample of the breed and most likely understates true population prevalence.
• OFA publishes this breed's evaluations under one combined row, 'MINI AMERICAN/MINI AUSTRALIAN SHEPHERD' -- it does not separate the AKC-recognized Miniature American Shepherd from the Miniature Australian Shepherd name.

Miniature American Shepherd: eye (CAER) evaluations rated abnormal -- covers hereditary cataract and collie eye anomaly screening findings among other eye conditions, not broken out individually by OFA, OFA cumulative statistics

• OFA is a voluntary-submission registry: owners/breeders choose whether to have a dog evaluated and whether to submit the result, so this is not a random sample of the breed and most likely understates true population prevalence.
• OFA publishes this breed's evaluations under one combined row, 'MINI AMERICAN/MINI AUSTRALIAN SHEPHERD' -- it does not separate the AKC-recognized Miniature American Shepherd from the Miniature Australian Shepherd name.

Miniature American Shepherd (Miniature Australian Shepherd): NYC bite reports per 1,000 licensed dogs of this breed, all years combined

• One city only (NYC); breed labels are self-reported, not verified against a registry or genetic test.
• Licensed-dog counts are active-license snapshots per extract year, not a true owned-dog population.

Miniature American shepherd: average litter size, Danish Kennel Club registrations Aug 2022-Jul 2023

Miniature American Shepherd: AKC group -- Herding Group

Miniature American Shepherd: year recognized by the AKC (admitted to the Stud Book June 1, 2015; eligible to compete in the Herding Group July 1, 2015)

Miniature American Shepherd: AKC-stated life expectancy -- 12-13 years

• A registry-published range, not a measured longevity study result (see docs/plan.md's longevity-source rule) -- no per-breed McMillan 2024 or Montoya 2023 clinical figure exists for this breed to compare it against.

Miniature American Shepherd: AKC breed-standard height -- 14-18 inches (male), 13-17 inches (female)

• A breed-standard target range for conformation showing, not a measured population distribution.

Miniature American Shepherd: AKC breed-standard weight -- 20-40 pounds

• A breed-standard target range for conformation showing, not a measured population distribution.

Miniature American Shepherd: AKC registration popularity rank, 2016 -- #36

• AKC registration ranking among AKC-registered litters that year, not a population census.

Miniature American Shepherd: AKC registration popularity rank, 2017 -- #35

• AKC registration ranking among AKC-registered litters that year, not a population census.

Miniature American Shepherd: AKC registration popularity rank, 2018 -- #34

• AKC registration ranking among AKC-registered litters that year, not a population census.

Miniature American Shepherd: AKC registration popularity rank, 2019 -- #29

• AKC registration ranking among AKC-registered litters that year, not a population census.

Miniature American Shepherd: AKC registration popularity rank, 2020 -- #31

• AKC registration ranking among AKC-registered litters that year, not a population census.

Miniature American Shepherd: AKC registration popularity rank, 2021 -- #30

• AKC registration ranking among AKC-registered litters that year, not a population census.

Miniature American Shepherd: AKC registration popularity rank, 2022 -- #31

• AKC registration ranking among AKC-registered litters that year, not a population census.

Miniature American Shepherd: AKC registration popularity rank, 2023 -- #29

• AKC registration ranking among AKC-registered litters that year, not a population census.

Miniature American Shepherd: AKC registration popularity rank, 2024 -- #24

• AKC registration ranking among AKC-registered litters that year, not a population census.

Miniature American Shepherd: AKC registration popularity rank, 2025 -- #28

• AKC registration ranking among AKC-registered litters that year, not a population census.

Miniature American Shepherd: percent of dogs surveyed carrying at least one copy of the mdr1-1delta (ABCB1 nt230(del4)) multidrug-sensitivity mutation -- heterozygous + homozygous combined (Neff et al. 2004, Table 1, studied as 'Australian Shepherd, Miniature')

• A 2004 convenience sample of client-owned/breeder dogs (not a random population sample), n=56, the smallest breed sample in this table.
• The mutation is incompletely dominant, so both heterozygous and homozygous carriers can show drug sensitivity (e.g. to ivermectin, loperamide) -- this figure is not 'affected' in the sense of a fully penetrant disease.

Miniature American Shepherd: mdr1-1delta (ABCB1) mutant allele frequency (Neff et al. 2004, Table 1, studied as 'Australian Shepherd, Miniature')

• A 2004 convenience sample, n=56, studied under the breed's pre-2015 name.
• Allele frequency counts each chromosome independently; the carrier/affected percent figure (dogs with >=1 copy) is the more clinically relevant number for an individual dog's risk.

Miniature American Shepherd: active NYC dog licenses, 2016 extract

• One city (NYC) only, and an active-license snapshot for that extract year, not a national population estimate or a count of dogs actually owned (licence compliance is well below universal).
• Breed field is self-reported by the owner at registration, not verified against a registry or genetic test.

Miniature American Shepherd: active NYC dog licenses, 2017 extract

• One city (NYC) only, and an active-license snapshot for that extract year, not a national population estimate or a count of dogs actually owned (licence compliance is well below universal).
• Breed field is self-reported by the owner at registration, not verified against a registry or genetic test.

Miniature American Shepherd: active NYC dog licenses, 2018 extract

• One city (NYC) only, and an active-license snapshot for that extract year, not a national population estimate or a count of dogs actually owned (licence compliance is well below universal).
• Breed field is self-reported by the owner at registration, not verified against a registry or genetic test.

Miniature American Shepherd: active NYC dog licenses, 2022 extract

• One city (NYC) only, and an active-license snapshot for that extract year, not a national population estimate or a count of dogs actually owned (licence compliance is well below universal).
• Breed field is self-reported by the owner at registration, not verified against a registry or genetic test.

Miniature American Shepherd: active NYC dog licenses, 2023 extract

• One city (NYC) only, and an active-license snapshot for that extract year, not a national population estimate or a count of dogs actually owned (licence compliance is well below universal).
• Breed field is self-reported by the owner at registration, not verified against a registry or genetic test.

Miniature American Shepherd: active NYC dog licenses, 2024 extract

• One city (NYC) only, and an active-license snapshot for that extract year, not a national population estimate or a count of dogs actually owned (licence compliance is well below universal).
• Breed field is self-reported by the owner at registration, not verified against a registry or genetic test.

Miniature American Shepherd: active NYC dog licenses, 2026 extract

• One city (NYC) only, and an active-license snapshot for that extract year, not a national population estimate or a count of dogs actually owned (licence compliance is well below universal).
• Breed field is self-reported by the owner at registration, not verified against a registry or genetic test.

Miniature American Shepherd: active NYC dog licenses, all extract years combined

• Extract-year snapshots summed, not a deduplicated dog count -- the same licensed dog can appear in more than one year's extract.
• One city (NYC) only; breed field is self-reported at registration.