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)	15.9%	98%
May 2025	Birth Size (Progeny expected to be born large or extra large)	15.8%	98%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.5 kg	98%
May 2025	Birth Weight (Expected progeny birth weight)	40.6 kg	98%
Sep 2025	Gestation (Days between conception and birth)	-5.46 days	99%
May 2025	Gestation (Days between conception and birth)	-5.48 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.39	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.41	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.00%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.91%	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	15.9%	98%
May 2025	Birth Size	15.8%	98%
Sep 2025	Birth Weight	40.5 kg	98%
May 2025	Birth Weight	40.6 kg	98%
Sep 2025	Gest	-5.46 days	99%
May 2025	Gest	-5.48 days	99%
Sep 2025	Mort	-0.39	99%
May 2025	Mort	-0.41	99%
Sep 2025	Maternal Calving Difficulty	5.00%	99%
May 2025	Maternal Calving Difficulty	4.91%	99%

5,744 total progeny records from 1,065 dairy contemporary groups

( 79,983 herdmate records from 1,057 dairy contemporary groups)

358 progeny ( 3,642 herdmates) born to heifers
1,395 progeny ( 19,062 herdmates) born to 2nd parity dam
3,991 progeny ( 57,279 herdmates) born to ≥3rd parity dam
47.4% progeny (50.3% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.2%, FR: 25.8%, JE: 3.6%, NR: 0.7%, OTHER: 1.2%	HO: 67.0%, FR: 25.9%, JE: 3.5%, NR: 0.7%, OTHER: 1.3%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.1% 2.5% 2.6%	6.3% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	731 Days 1109 Days 2138 Days	737 Days 1112 Days 2184 Days

468 total progeny records from 101 contemporary groups

( 7,320 herdmate records from 101 contemporary groups)

27 progeny ( 1,659 herdmates) born to heifers
121 progeny ( 1,358 herdmates) born to 2nd parity dam
320 progeny ( 4,303 herdmates) born to ≥3rd parity dam
45.1% progeny (48.7% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 68.7%, FR: 24.3%, JE: 2.7%, NR: 0.8%, OTHER: 1.8%	HO: 67.5%, FR: 25.9%, JE: 2.1%, NR: 1.0%, OTHER: 1.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.6% 19.2% 18.8%	19.2% 19.1% 19.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.9kg 41.1kg 40.7kg	40.8kg 40.9kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	720 Days 1105 Days 2162 Days	742 Days 1114 Days 2231 Days

277 total progeny records from 50 contemporary groups

( 3,832 herdmate records from 50 contemporary groups)