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 6.7% 2.8%	97% ( 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 6.7% 2.8%	97% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	21.7%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	22.0%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.4 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	41.5 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-3.14 days	99%
May 2025	Gestation (Days between conception and birth)	-3.14 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.45	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.46	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.77%	91%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.80%	90%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.7% 2.8%	97% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.7% 2.8%	97% 99%
Sep 2025	Birth Size	21.7%	97%
May 2025	Birth Size	22.0%	97%
Sep 2025	Birth Weight	41.4 kg	95%
May 2025	Birth Weight	41.5 kg	95%
Sep 2025	Gest	-3.14 days	99%
May 2025	Gest	-3.14 days	99%
Sep 2025	Mort	-0.45	99%
May 2025	Mort	-0.46	99%
Sep 2025	Maternal Calving Difficulty	4.77%	91%
May 2025	Maternal Calving Difficulty	4.80%	90%

3,711 total progeny records from 1,040 dairy contemporary groups

( 75,994 herdmate records from 1,039 dairy contemporary groups)

696 progeny ( 6,887 herdmates) born to heifers
718 progeny ( 17,316 herdmates) born to 2nd parity dam
2,297 progeny ( 51,791 herdmates) born to ≥3rd parity dam
40.2% progeny (47.8% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.8%, FR: 21.0%, JE: 4.2%, NR: 0.4%, OTHER: 1.0%	HO: 70.9%, FR: 21.2%, JE: 4.6%, NR: 0.5%, OTHER: 1.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.6% 2.6%	6.2% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	735 Days 1113 Days 2158 Days	740 Days 1116 Days 2180 Days

247 total progeny records from 75 contemporary groups

( 5,924 herdmate records from 75 contemporary groups)

27 progeny ( 1,336 herdmates) born to heifers
64 progeny ( 1,141 herdmates) born to 2nd parity dam
156 progeny ( 3,447 herdmates) born to ≥3rd parity dam
42.5% progeny (46.8% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.9%, FR: 21.3%, JE: 2.6%, NR: 0.1%, OTHER: 0.9%	HO: 73.0%, FR: 21.5%, JE: 2.4%, NR: 0.5%, OTHER: 0.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20.3% 19% 18.8%	18.5% 18.8% 18.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.9kg 40.8kg 41kg	40.8kg 40.8kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	741 Days 1103 Days 2070 Days	740 Days 1114 Days 2153 Days

114 total progeny records from 31 contemporary groups

( 3,229 herdmate records from 31 contemporary groups)