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 6.2% 2.5%	97% ( V High) 99% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.5%	97% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.4%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.6%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	88%
May 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	88%
Sep 2025	Gestation (Days between conception and birth)	-3.74 days	99%
May 2025	Gestation (Days between conception and birth)	-3.75 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.33	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.34	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.22%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.17%	97%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.5%	97% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.5%	97% 99%
Sep 2025	Birth Size	20.4%	96%
May 2025	Birth Size	20.6%	96%
Sep 2025	Birth Weight	41.2 kg	88%
May 2025	Birth Weight	41.2 kg	88%
Sep 2025	Gest	-3.74 days	99%
May 2025	Gest	-3.75 days	99%
Sep 2025	Mort	-0.33	99%
May 2025	Mort	-0.34	99%
Sep 2025	Maternal Calving Difficulty	5.22%	98%
May 2025	Maternal Calving Difficulty	5.17%	97%

3,983 total progeny records from 1,023 dairy contemporary groups

( 41,709 herdmate records from 1,004 dairy contemporary groups)

324 progeny ( 1,484 herdmates) born to heifers
836 progeny ( 9,557 herdmates) born to 2nd parity dam
2,823 progeny ( 30,668 herdmates) born to ≥3rd parity dam
47.2% progeny (50.3% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 53.6%, FR: 40.8%, JE: 0.5%, NR: 0.3%, OTHER: 1.8%	HO: 55.5%, FR: 38.1%, JE: 0.9%, NR: 0.5%, OTHER: 2.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.7% 2.7% 2.8%	6.9% 2.7% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	801 Days 1151 Days 2292 Days	765 Days 1138 Days 2282 Days

301 total progeny records from 79 contemporary groups

( 3,960 herdmate records from 79 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 65.3%, FR: 28.6%, JE: 0.6%, NR: 0.2%, OTHER: 0.9%	HO: 57.2%, FR: 36.0%, JE: 0.7%, NR: 0.7%, OTHER: 2.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.5% 20.6% 20.6%	19.8% 19.9% 20.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.8kg 41.2kg	0kg 41.1kg 41.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	785 Days 1175 Days 2375 Days	765 Days 1138 Days 2265 Days

35 total progeny records from 9 contemporary groups

( 571 herdmate records from 9 contemporary groups)