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 5.9% 2.4%	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 6.0% 2.5%	99% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.0%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	17.0%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.4 kg	98%
May 2025	Birth Weight (Expected progeny birth weight)	41.4 kg	98%
Sep 2025	Gestation (Days between conception and birth)	-4.72 days	99%
May 2025	Gestation (Days between conception and birth)	-4.74 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.29	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.37	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	6.50%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	6.48%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.4%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.0% 2.5%	99% 99%
Sep 2025	Birth Size	17.0%	97%
May 2025	Birth Size	17.0%	97%
Sep 2025	Birth Weight	41.4 kg	98%
May 2025	Birth Weight	41.4 kg	98%
Sep 2025	Gest	-4.72 days	99%
May 2025	Gest	-4.74 days	99%
Sep 2025	Mort	-0.29	99%
May 2025	Mort	-0.37	99%
Sep 2025	Maternal Calving Difficulty	6.50%	99%
May 2025	Maternal Calving Difficulty	6.48%	99%

6,324 total progeny records from 1,505 dairy contemporary groups

( 52,476 herdmate records from 1,488 dairy contemporary groups)

1,442 progeny ( 7,741 herdmates) born to heifers
1,439 progeny ( 13,319 herdmates) born to 2nd parity dam
3,443 progeny ( 31,416 herdmates) born to ≥3rd parity dam
48% progeny (49.5% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 59.8%, FR: 31.1%, JE: 1.5%, NR: 0.5%, OTHER: 2.2%	HO: 61.5%, FR: 28.1%, JE: 2.8%, NR: 0.6%, OTHER: 2.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.2% 3% 3.1%	7% 2.9% 3%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	777 Days 1154 Days 2211 Days	765 Days 1148 Days 2188 Days

8 total progeny records from 4 contemporary groups

( 179 herdmate records from 4 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 61.4%, FR: 28.8%, JE: 1.7%, NR: 2.2%, OTHER: 2.1%	HO: 63.0%, FR: 23.0%, JE: 6.9%, NR: 2.6%, OTHER: 1.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 23.5% 30%	0% 20.6% 21.6%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41kg 41.5kg 41.6kg	40.8kg 40.7kg 41.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	756 Days 1151 Days 2280 Days	749 Days 1131 Days 2054 Days

209 total progeny records from 38 contemporary groups

( 2,984 herdmate records from 38 contemporary groups)