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 7.4% 2.9%	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 7.5% 2.9%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	22.7%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	22.8%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.5 kg	96%
May 2025	Birth Weight (Expected progeny birth weight)	41.5 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-3.43 days	99%
May 2025	Gestation (Days between conception and birth)	-3.43 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.01	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.03	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.36%	97%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.42%	97%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.4% 2.9%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.5% 2.9%	98% 99%
Sep 2025	Birth Size	22.7%	97%
May 2025	Birth Size	22.8%	97%
Sep 2025	Birth Weight	41.5 kg	96%
May 2025	Birth Weight	41.5 kg	96%
Sep 2025	Gest	-3.43 days	99%
May 2025	Gest	-3.43 days	99%
Sep 2025	Mort	-0.01	99%
May 2025	Mort	-0.03	99%
Sep 2025	Maternal Calving Difficulty	4.36%	97%
May 2025	Maternal Calving Difficulty	4.42%	97%

3,625 total progeny records from 820 dairy contemporary groups

( 53,965 herdmate records from 816 dairy contemporary groups)

639 progeny ( 5,018 herdmates) born to heifers
833 progeny ( 12,166 herdmates) born to 2nd parity dam
2,153 progeny ( 36,781 herdmates) born to ≥3rd parity dam
35.3% progeny (46.7% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.5%, FR: 21.2%, JE: 4.7%, NR: 0.6%, OTHER: 1.3%	HO: 69.2%, FR: 21.6%, JE: 5.6%, NR: 0.7%, OTHER: 1.3%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.1% 2.5% 2.5%	6.1% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	747 Days 1113 Days 2116 Days	739 Days 1118 Days 2197 Days

221 total progeny records from 54 contemporary groups

( 4,258 herdmate records from 54 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.2%, FR: 24.9%, JE: 2.4%, NR: 0.4%, OTHER: 1.0%	HO: 71.2%, FR: 22.7%, JE: 3.1%, NR: 0.6%, OTHER: 1.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.4% 18.6% 19.3%	18.6% 18.5% 18.6%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.9kg 40.8kg 41.2kg	41kg 41kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	744 Days 1103 Days 2122 Days	739 Days 1117 Days 2189 Days

144 total progeny records from 32 contemporary groups

( 2,503 herdmate records from 32 contemporary groups)