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 5.8% 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 5.9% 2.4%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.1%	98%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.1%	98%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.3 kg	97%
May 2025	Birth Weight (Expected progeny birth weight)	40.5 kg	97%
Sep 2025	Gestation (Days between conception and birth)	-4.63 days	99%
May 2025	Gestation (Days between conception and birth)	-4.65 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.34	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.35	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.89%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.01%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.3%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.4%	98% 99%
Sep 2025	Birth Size	19.1%	98%
May 2025	Birth Size	19.1%	98%
Sep 2025	Birth Weight	40.3 kg	97%
May 2025	Birth Weight	40.5 kg	97%
Sep 2025	Gest	-4.63 days	99%
May 2025	Gest	-4.65 days	99%
Sep 2025	Mort	-0.34	99%
May 2025	Mort	-0.35	99%
Sep 2025	Maternal Calving Difficulty	4.89%	99%
May 2025	Maternal Calving Difficulty	5.01%	99%

6,920 total progeny records from 1,358 dairy contemporary groups

( 102,492 herdmate records from 1,354 dairy contemporary groups)

435 progeny ( 5,109 herdmates) born to heifers
1,864 progeny ( 24,835 herdmates) born to 2nd parity dam
4,621 progeny ( 72,548 herdmates) born to ≥3rd parity dam
43.7% progeny (49.6% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 65.0%, FR: 26.8%, JE: 4.1%, NR: 0.9%, OTHER: 1.5%	HO: 65.3%, FR: 25.5%, JE: 5.0%, NR: 0.9%, OTHER: 1.6%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.5% 2.6%	6.2% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	734 Days 1105 Days 2104 Days	740 Days 1113 Days 2164 Days

551 total progeny records from 126 contemporary groups

( 9,603 herdmate records from 126 contemporary groups)

53 progeny ( 2,104 herdmates) born to heifers
146 progeny ( 1,803 herdmates) born to 2nd parity dam
352 progeny ( 5,696 herdmates) born to ≥3rd parity dam
40.5% progeny (48.1% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.6%, FR: 25.9%, JE: 2.8%, NR: 0.8%, OTHER: 1.7%	HO: 67.9%, FR: 24.6%, JE: 3.3%, NR: 0.8%, OTHER: 1.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.8% 19.1% 18.6%	18.9% 19.2% 19.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.6kg 40.6kg 40.9kg	40.7kg 40.6kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	731 Days 1121 Days 2086 Days	739 Days 1118 Days 2178 Days

201 total progeny records from 40 contemporary groups

( 3,844 herdmate records from 40 contemporary groups)