Date of Evaluation	Trait	PTA	Reliability
Sep 2025	Calving Difficulty(Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.9%	95% ( V High) 97% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.9%	95% 97%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.3%	94%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.6%	94%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.7 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	41.7 kg	94%
Sep 2025	Gestation (Days between conception and birth)	-2.30 days	98%
May 2025	Gestation (Days between conception and birth)	-2.30 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.72	98%
May 2025	Mortality (Calves dead at or soon after birth)	-0.75	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.71%	92%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.75%	92%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.9%	95% ( V High) 97% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.9%	95% 97%
Sep 2025	Birth Size	20.3%	94%
May 2025	Birth Size	20.6%	94%
Sep 2025	Birth Weight	41.7 kg	94%
May 2025	Birth Weight	41.7 kg	94%
Sep 2025	Gest	-2.30 days	98%
May 2025	Gest	-2.30 days	98%
Sep 2025	Mort	-0.72	98%
May 2025	Mort	-0.75	98%
Sep 2025	Maternal Calving Difficulty	4.71%	92%
May 2025	Maternal Calving Difficulty	4.75%	92%

462 total progeny records from 141 dairy contemporary groups

( 3,944 herdmate records from 139 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 92.2%, FR: 4.8%, JE: 0.1%, NR: 0.2%, OTHER: 1.5%	HO: 91.0%, FR: 5.7%, JE: 0.2%, NR: 0.1%, OTHER: 1.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.3% 3% 3%	7.3% 3% 3%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	834 Days 1225 Days 2096 Days	829 Days 1217 Days 2163 Days

63 total progeny records from 18 contemporary groups

( 765 herdmate records from 18 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 88.7%, FR: 6.1%, JE: 0.0%, NR: 1.1%, OTHER: 2.3%	HO: 88.5%, FR: 5.1%, JE: 0.0%, NR: 0.4%, OTHER: 3.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20.5% 20.3% 21.5%	21% 21.2% 22.1%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.1kg 40.9kg 42.1kg	41.5kg 41.6kg 42.3kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	734 Days 1188 Days 2096 Days	762 Days 1152 Days 2212 Days

42 total progeny records from 10 contemporary groups

( 404 herdmate records from 10 contemporary groups)