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 5.1% 2.0%	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 5.1% 2.0%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	16.5%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	16.4%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.5 kg	96%
May 2025	Birth Weight (Expected progeny birth weight)	39.6 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-2.28 days	99%
May 2025	Gestation (Days between conception and birth)	-2.31 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.49	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.56	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.88%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.85%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.1% 2.0%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.1% 2.0%	98% 99%
Sep 2025	Birth Size	16.5%	95%
May 2025	Birth Size	16.4%	95%
Sep 2025	Birth Weight	39.5 kg	96%
May 2025	Birth Weight	39.6 kg	96%
Sep 2025	Gest	-2.28 days	99%
May 2025	Gest	-2.31 days	99%
Sep 2025	Mort	-0.49	99%
May 2025	Mort	-0.56	99%
Sep 2025	Maternal Calving Difficulty	5.88%	99%
May 2025	Maternal Calving Difficulty	5.85%	99%

4,485 total progeny records from 1,611 dairy contemporary groups

( 43,959 herdmate records from 1,594 dairy contemporary groups)

534 progeny ( 3,389 herdmates) born to heifers
1,100 progeny ( 11,748 herdmates) born to 2nd parity dam
2,851 progeny ( 28,822 herdmates) born to ≥3rd parity dam
51% progeny (50.9% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 77.1%, FR: 13.1%, JE: 0.9%, NR: 0.4%, OTHER: 2.2%	HO: 78.3%, FR: 12.5%, JE: 0.7%, NR: 0.5%, OTHER: 2.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.6% 3.2% 3.3%	7.6% 3.1% 3.3%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	814 Days 1199 Days 2295 Days	783 Days 1178 Days 2250 Days

3 total progeny records from 2 contemporary groups

( 60 herdmate records from 2 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 82.9%, FR: 7.2%, JE: 0.5%, NR: 0.0%, OTHER: 4.0%	HO: 80.8%, FR: 9.7%, JE: 0.2%, NR: 0.1%, OTHER: 4.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	16.9% 0% 21.8%	21.5% 0% 22.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.9kg 41.9kg 42.3kg	41.7kg 41.9kg 42kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	906 Days 1263 Days 2244 Days	812 Days 1243 Days 2231 Days

90 total progeny records from 23 contemporary groups

( 1,331 herdmate records from 23 contemporary groups)