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 5.4% 2.4%	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 5.4% 2.4%	96% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	13.8%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	13.7%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	96%
May 2025	Birth Weight (Expected progeny birth weight)	40.9 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-5.03 days	99%
May 2025	Gestation (Days between conception and birth)	-5.00 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.51	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.50	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.59%	92%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.56%	92%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.4%	96% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.4%	96% 98%
Sep 2025	Birth Size	13.8%	96%
May 2025	Birth Size	13.7%	96%
Sep 2025	Birth Weight	40.8 kg	96%
May 2025	Birth Weight	40.9 kg	96%
Sep 2025	Gest	-5.03 days	99%
May 2025	Gest	-5.00 days	99%
Sep 2025	Mort	-0.51	99%
May 2025	Mort	-0.50	99%
Sep 2025	Maternal Calving Difficulty	4.59%	92%
May 2025	Maternal Calving Difficulty	4.56%	92%

2,394 total progeny records from 726 dairy contemporary groups

( 57,608 herdmate records from 724 dairy contemporary groups)

435 progeny ( 4,534 herdmates) born to heifers
525 progeny ( 13,219 herdmates) born to 2nd parity dam
1,434 progeny ( 39,855 herdmates) born to ≥3rd parity dam
51.8% progeny (49.1% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.3%, FR: 21.1%, JE: 3.6%, NR: 0.4%, OTHER: 0.8%	HO: 70.2%, FR: 21.1%, JE: 5.3%, NR: 0.6%, OTHER: 1.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.6% 2.6%	6.1% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	735 Days 1117 Days 2168 Days	740 Days 1117 Days 2188 Days

158 total progeny records from 59 contemporary groups

( 5,411 herdmate records from 59 contemporary groups)

22 progeny ( 1,183 herdmates) born to heifers
40 progeny ( 1,093 herdmates) born to 2nd parity dam
96 progeny ( 3,135 herdmates) born to ≥3rd parity dam
46.8% progeny (48.8% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.3%, FR: 24.4%, JE: 3.1%, NR: 0.3%, OTHER: 0.7%	HO: 69.0%, FR: 24.7%, JE: 3.4%, NR: 0.5%, OTHER: 1.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.8% 18.9% 19%	19.1% 19.3% 19.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.6kg 40.9kg 40.8kg	40.5kg 40.7kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	729 Days 1106 Days 2199 Days	748 Days 1111 Days 2180 Days

135 total progeny records from 32 contemporary groups

( 3,943 herdmate records from 32 contemporary groups)