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 6.6% 2.5%	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 6.6% 2.5%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.4%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	17.2%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.6 kg	98%
May 2025	Birth Weight (Expected progeny birth weight)	41.7 kg	98%
Sep 2025	Gestation (Days between conception and birth)	-2.61 days	99%
May 2025	Gestation (Days between conception and birth)	-2.63 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.00	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.06	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.62%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.61%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.6% 2.5%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.6% 2.5%	98% 99%
Sep 2025	Birth Size	17.4%	96%
May 2025	Birth Size	17.2%	96%
Sep 2025	Birth Weight	41.6 kg	98%
May 2025	Birth Weight	41.7 kg	98%
Sep 2025	Gest	-2.61 days	99%
May 2025	Gest	-2.63 days	99%
Sep 2025	Mort	0.00	99%
May 2025	Mort	-0.06	99%
Sep 2025	Maternal Calving Difficulty	5.62%	99%
May 2025	Maternal Calving Difficulty	5.61%	99%

6,517 total progeny records from 823 dairy contemporary groups

( 56,993 herdmate records from 812 dairy contemporary groups)

320 progeny ( 3,365 herdmates) born to heifers
1,730 progeny ( 14,031 herdmates) born to 2nd parity dam
4,467 progeny ( 39,597 herdmates) born to ≥3rd parity dam
49.2% progeny (50.4% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 56.6%, FR: 25.2%, JE: 11.4%, NR: 2.1%, OTHER: 2.3%	HO: 58.8%, FR: 24.5%, JE: 9.9%, NR: 2.0%, OTHER: 2.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.5% 2.6%	6.1% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	751 Days 1119 Days 2116 Days	737 Days 1123 Days 2143 Days

100 total progeny records from 25 contemporary groups

( 1,467 herdmate records from 25 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 55.1%, FR: 26.8%, JE: 10.2%, NR: 2.6%, OTHER: 2.8%	HO: 59.1%, FR: 25.1%, JE: 9.4%, NR: 2.0%, OTHER: 1.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.7% 18.9% 19.2%	19% 19% 19.5%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	39.3kg 40.2kg 40.9kg	40.3kg 40.7kg 40.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	714 Days 1130 Days 2163 Days	733 Days 1112 Days 2132 Days

163 total progeny records from 21 contemporary groups

( 1,421 herdmate records from 21 contemporary groups)