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 6.5% 2.3%	98% ( 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 6.5% 2.4%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.8%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.5%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	94%
Sep 2025	Gestation (Days between conception and birth)	-5.38 days	99%
May 2025	Gestation (Days between conception and birth)	-5.39 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.02	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.03	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	6.29%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	6.28%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.3%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.4%	98% 99%
Sep 2025	Birth Size	18.8%	97%
May 2025	Birth Size	18.5%	97%
Sep 2025	Birth Weight	40.8 kg	94%
May 2025	Birth Weight	40.8 kg	94%
Sep 2025	Gest	-5.38 days	99%
May 2025	Gest	-5.39 days	99%
Sep 2025	Mort	0.02	99%
May 2025	Mort	-0.03	99%
Sep 2025	Maternal Calving Difficulty	6.29%	98%
May 2025	Maternal Calving Difficulty	6.28%	98%

3,292 total progeny records from 632 dairy contemporary groups

( 36,935 herdmate records from 628 dairy contemporary groups)

599 progeny ( 4,069 herdmates) born to heifers
788 progeny ( 8,686 herdmates) born to 2nd parity dam
1,905 progeny ( 24,180 herdmates) born to ≥3rd parity dam
50.6% progeny (51.3% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 62.4%, FR: 28.6%, JE: 4.4%, NR: 0.8%, OTHER: 1.8%	HO: 62.3%, FR: 27.7%, JE: 4.6%, NR: 0.9%, OTHER: 2.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.6% 2.7%	6.3% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	735 Days 1128 Days 2113 Days	740 Days 1118 Days 2176 Days

95 total progeny records from 34 contemporary groups

( 1,543 herdmate records from 34 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.4%, FR: 24.7%, JE: 4.1%, NR: 0.7%, OTHER: 1.5%	HO: 63.0%, FR: 26.3%, JE: 5.5%, NR: 0.9%, OTHER: 1.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.3% 18.7% 20.1%	19.3% 19.2% 19.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41kg 41kg 40.8kg	40.6kg 40.6kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	721 Days 1112 Days 2278 Days	743 Days 1120 Days 2247 Days

70 total progeny records from 18 contemporary groups

( 1,278 herdmate records from 18 contemporary groups)