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 5.6% 2.3%	96% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.3%	96% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.1%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.9%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.1 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	41.1 kg	94%
Sep 2025	Gestation (Days between conception and birth)	-4.73 days	99%
May 2025	Gestation (Days between conception and birth)	-4.72 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.61	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.54	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.83%	88%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.72%	87%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.3%	96% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.3%	96% 98%
Sep 2025	Birth Size	19.1%	96%
May 2025	Birth Size	18.9%	96%
Sep 2025	Birth Weight	41.1 kg	94%
May 2025	Birth Weight	41.1 kg	94%
Sep 2025	Gest	-4.73 days	99%
May 2025	Gest	-4.72 days	99%
Sep 2025	Mort	-0.61	99%
May 2025	Mort	-0.54	99%
Sep 2025	Maternal Calving Difficulty	4.83%	88%
May 2025	Maternal Calving Difficulty	4.72%	87%

2,542 total progeny records from 678 dairy contemporary groups

( 47,861 herdmate records from 673 dairy contemporary groups)

430 progeny ( 3,902 herdmates) born to heifers
633 progeny ( 11,193 herdmates) born to 2nd parity dam
1,479 progeny ( 32,766 herdmates) born to ≥3rd parity dam
35.7% progeny (46.3% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 74.1%, FR: 20.9%, JE: 2.5%, NR: 0.4%, OTHER: 0.8%	HO: 73.1%, FR: 20.6%, JE: 3.5%, NR: 0.5%, OTHER: 0.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.5% 2.5%	6.2% 2.6% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	744 Days 1112 Days 2098 Days	747 Days 1118 Days 2172 Days

170 total progeny records from 58 contemporary groups

( 3,920 herdmate records from 58 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 76.1%, FR: 21.0%, JE: 1.2%, NR: 0.5%, OTHER: 0.4%	HO: 73.8%, FR: 21.7%, JE: 1.8%, NR: 0.4%, OTHER: 0.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.9% 18.4% 18.8%	18.7% 19.4% 19.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.7kg 40.8kg 40.9kg	40.8kg 40.9kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	797 Days 1129 Days 2090 Days	749 Days 1116 Days 2154 Days

94 total progeny records from 25 contemporary groups

( 2,243 herdmate records from 25 contemporary groups)