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 5.5% 2.5%	97% ( 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 5.5% 2.5%	97% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.3%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	17.0%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.0 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	40.1 kg	94%
Sep 2025	Gestation (Days between conception and birth)	-3.83 days	99%
May 2025	Gestation (Days between conception and birth)	-3.84 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.68	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.72	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.59%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.53%	97%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.5%	97% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.5%	97% 99%
Sep 2025	Birth Size	17.3%	97%
May 2025	Birth Size	17.0%	97%
Sep 2025	Birth Weight	40.0 kg	94%
May 2025	Birth Weight	40.1 kg	94%
Sep 2025	Gest	-3.83 days	99%
May 2025	Gest	-3.84 days	99%
Sep 2025	Mort	-0.68	99%
May 2025	Mort	-0.72	99%
Sep 2025	Maternal Calving Difficulty	4.59%	98%
May 2025	Maternal Calving Difficulty	4.53%	97%

2,892 total progeny records from 608 dairy contemporary groups

( 38,127 herdmate records from 603 dairy contemporary groups)

395 progeny ( 2,403 herdmates) born to heifers
750 progeny ( 9,017 herdmates) born to 2nd parity dam
1,747 progeny ( 26,707 herdmates) born to ≥3rd parity dam
33.4% progeny (47.5% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 76.9%, FR: 17.8%, JE: 2.8%, NR: 0.4%, OTHER: 0.9%	HO: 73.5%, FR: 18.9%, JE: 4.5%, NR: 0.7%, OTHER: 1.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.6% 2.6%	6.4% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	751 Days 1117 Days 2092 Days	763 Days 1127 Days 2203 Days

180 total progeny records from 49 contemporary groups

( 2,838 herdmate records from 49 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.9%, FR: 19.9%, JE: 4.5%, NR: 0.4%, OTHER: 0.9%	HO: 70.8%, FR: 20.2%, JE: 5.9%, NR: 0.4%, OTHER: 1.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.4% 18.3% 19.1%	19% 18.8% 19.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.4kg 40.2kg 40.3kg	40.2kg 40.1kg 40.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	725 Days 1092 Days 2041 Days	743 Days 1113 Days 2224 Days

83 total progeny records from 22 contemporary groups

( 2,216 herdmate records from 22 contemporary groups)