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 7.1% 2.8%	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 7.1% 2.8%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.7%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.7%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.0 kg	96%
May 2025	Birth Weight (Expected progeny birth weight)	41.0 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-3.92 days	99%
May 2025	Gestation (Days between conception and birth)	-3.93 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.16	99%
May 2025	Mortality (Calves dead at or soon after birth)	0.17	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.74%	92%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.77%	92%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.1% 2.8%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.1% 2.8%	98% 99%
Sep 2025	Birth Size	18.7%	97%
May 2025	Birth Size	18.7%	97%
Sep 2025	Birth Weight	41.0 kg	96%
May 2025	Birth Weight	41.0 kg	96%
Sep 2025	Gest	-3.92 days	99%
May 2025	Gest	-3.93 days	99%
Sep 2025	Mort	0.16	99%
May 2025	Mort	0.17	99%
Sep 2025	Maternal Calving Difficulty	4.74%	92%
May 2025	Maternal Calving Difficulty	4.77%	92%

4,590 total progeny records from 1,241 dairy contemporary groups

( 78,661 herdmate records from 1,234 dairy contemporary groups)

907 progeny ( 6,971 herdmates) born to heifers
1,005 progeny ( 17,727 herdmates) born to 2nd parity dam
2,678 progeny ( 53,963 herdmates) born to ≥3rd parity dam
36.8% progeny (47.4% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.8%, FR: 21.0%, JE: 2.2%, NR: 0.4%, OTHER: 0.7%	HO: 72.4%, FR: 21.4%, JE: 2.9%, NR: 0.5%, OTHER: 1.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.6% 2.6%	6.3% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	740 Days 1121 Days 2118 Days	747 Days 1122 Days 2203 Days

391 total progeny records from 99 contemporary groups

( 7,177 herdmate records from 99 contemporary groups)

73 progeny ( 1,241 herdmates) born to heifers
87 progeny ( 1,450 herdmates) born to 2nd parity dam
231 progeny ( 4,486 herdmates) born to ≥3rd parity dam
37.1% progeny (47.6% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.5%, FR: 22.7%, JE: 1.3%, NR: 0.2%, OTHER: 0.7%	HO: 72.1%, FR: 22.7%, JE: 1.8%, NR: 0.4%, OTHER: 1.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.9% 19.4% 19.5%	19% 19.1% 19.1%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.8kg 41.4kg 41.1kg	40.9kg 41.1kg 41kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	725 Days 1127 Days 2145 Days	750 Days 1121 Days 2210 Days

142 total progeny records from 37 contemporary groups

( 3,235 herdmate records from 37 contemporary groups)