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 6.2% 2.6%	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 6.1% 2.6%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.4%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.4%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.5 kg	97%
May 2025	Birth Weight (Expected progeny birth weight)	40.4 kg	97%
Sep 2025	Gestation (Days between conception and birth)	-4.19 days	99%
May 2025	Gestation (Days between conception and birth)	-4.18 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.05	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)	4.43%	89%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.45%	89%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.6%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.1% 2.6%	98% 99%
Sep 2025	Birth Size	19.4%	97%
May 2025	Birth Size	19.4%	97%
Sep 2025	Birth Weight	40.5 kg	97%
May 2025	Birth Weight	40.4 kg	97%
Sep 2025	Gest	-4.19 days	99%
May 2025	Gest	-4.18 days	99%
Sep 2025	Mort	0.05	99%
May 2025	Mort	0.06	99%
Sep 2025	Maternal Calving Difficulty	4.43%	89%
May 2025	Maternal Calving Difficulty	4.45%	89%

5,527 total progeny records from 1,304 dairy contemporary groups

( 92,991 herdmate records from 1,299 dairy contemporary groups)

785 progeny ( 7,105 herdmates) born to heifers
1,291 progeny ( 21,228 herdmates) born to 2nd parity dam
3,451 progeny ( 64,658 herdmates) born to ≥3rd parity dam
43.1% progeny (48.1% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.7%, FR: 21.8%, JE: 2.0%, NR: 0.4%, OTHER: 0.6%	HO: 72.3%, FR: 21.8%, JE: 2.9%, NR: 0.5%, OTHER: 0.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.6% 2.6%	6.3% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	743 Days 1112 Days 2145 Days	745 Days 1119 Days 2206 Days

350 total progeny records from 88 contemporary groups

( 7,168 herdmate records from 88 contemporary groups)

54 progeny ( 1,182 herdmates) born to heifers
91 progeny ( 1,432 herdmates) born to 2nd parity dam
205 progeny ( 4,554 herdmates) born to ≥3rd parity dam
41.4% progeny (46.3% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 74.6%, FR: 21.4%, JE: 1.9%, NR: 0.2%, OTHER: 0.5%	HO: 70.2%, FR: 23.8%, JE: 3.1%, NR: 0.4%, OTHER: 0.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.9% 19% 18.6%	18.6% 19.2% 19%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.7kg 40.9kg 41.1kg	40.6kg 40.8kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	734 Days 1114 Days 2174 Days	752 Days 1118 Days 2194 Days

187 total progeny records from 41 contemporary groups

( 4,322 herdmate records from 41 contemporary groups)