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 7.6% 2.9%	99% ( 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 7.6% 2.9%	99% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.7%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.7%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.7 kg	97%
May 2025	Birth Weight (Expected progeny birth weight)	41.8 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-2.95 days	99%
May 2025	Gestation (Days between conception and birth)	-2.97 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.25	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.32	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.12%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.07%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.6% 2.9%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.6% 2.9%	99% 99%
Sep 2025	Birth Size	20.7%	97%
May 2025	Birth Size	20.7%	97%
Sep 2025	Birth Weight	41.7 kg	97%
May 2025	Birth Weight	41.8 kg	95%
Sep 2025	Gest	-2.95 days	99%
May 2025	Gest	-2.97 days	99%
Sep 2025	Mort	-0.25	99%
May 2025	Mort	-0.32	99%
Sep 2025	Maternal Calving Difficulty	5.12%	99%
May 2025	Maternal Calving Difficulty	5.07%	99%

6,247 total progeny records from 1,613 dairy contemporary groups

( 47,113 herdmate records from 1,583 dairy contemporary groups)

1,023 progeny ( 3,905 herdmates) born to heifers
1,576 progeny ( 12,682 herdmates) born to 2nd parity dam
3,648 progeny ( 30,526 herdmates) born to ≥3rd parity dam
52% progeny (49.6% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.0%, FR: 21.0%, JE: 0.6%, NR: 0.3%, OTHER: 1.3%	HO: 72.2%, FR: 21.6%, JE: 0.7%, NR: 0.3%, OTHER: 1.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.6% 2.9% 3.1%	7.6% 2.9% 3%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	830 Days 1193 Days 2211 Days	793 Days 1175 Days 2199 Days

69 total progeny records from 21 contemporary groups

( 676 herdmate records from 21 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 52.3%, FR: 40.4%, JE: 0.1%, NR: 0.6%, OTHER: 3.4%	HO: 65.7%, FR: 28.1%, JE: 0.3%, NR: 1.1%, OTHER: 2.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	21.5% 20.4% 20.4%	19.5% 19.9% 20.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.3kg 41.7kg 42kg	41.6kg 41.7kg 41.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	922 Days 1138 Days 2342 Days	778 Days 1145 Days 2130 Days

82 total progeny records from 20 contemporary groups

( 1,157 herdmate records from 20 contemporary groups)