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 4.5% 2.0%	89% ( V High) 93% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.5% 2.0%	87% 93%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	9.1%	89%
May 2025	Birth Size (Progeny expected to be born large or extra large)	8.6%	88%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.1 kg	88%
May 2025	Birth Weight (Expected progeny birth weight)	39.3 kg	88%
Sep 2025	Gestation (Days between conception and birth)	-2.79 days	99%
May 2025	Gestation (Days between conception and birth)	-2.77 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.06	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.15	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.38%	79%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.27%	78%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.5% 2.0%	89% ( V High) 93% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.5% 2.0%	87% 93%
Sep 2025	Birth Size	9.1%	89%
May 2025	Birth Size	8.6%	88%
Sep 2025	Birth Weight	39.1 kg	88%
May 2025	Birth Weight	39.3 kg	88%
Sep 2025	Gest	-2.79 days	99%
May 2025	Gest	-2.77 days	99%
Sep 2025	Mort	-0.06	99%
May 2025	Mort	-0.15	99%
Sep 2025	Maternal Calving Difficulty	4.38%	79%
May 2025	Maternal Calving Difficulty	4.27%	78%

516 total progeny records from 137 dairy contemporary groups

( 14,305 herdmate records from 137 dairy contemporary groups)

76 progeny ( 1,075 herdmates) born to heifers
139 progeny ( 3,256 herdmates) born to 2nd parity dam
301 progeny ( 9,974 herdmates) born to ≥3rd parity dam
49.8% progeny (46.5% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 65.6%, FR: 24.5%, JE: 7.2%, NR: 0.9%, OTHER: 0.9%	HO: 63.6%, FR: 23.5%, JE: 10.1%, NR: 0.7%, OTHER: 0.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.9% 2.5% 2.5%	6% 2.5% 2.4%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	745 Days 1095 Days 2130 Days	739 Days 1111 Days 2189 Days

37 total progeny records from 11 contemporary groups

( 1,179 herdmate records from 11 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 61.3%, FR: 22.7%, JE: 14.6%, NR: 0.4%, OTHER: 0.2%	HO: 61.1%, FR: 21.4%, JE: 15.3%, NR: 0.6%, OTHER: 0.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	13.7% 15.3% 17.6%	16.7% 16.8% 17.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	39.9kg 38.8kg 39.7kg	39.3kg 39.7kg 39.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	723 Days 1099 Days 2227 Days	742 Days 1114 Days 2149 Days

40 total progeny records from 8 contemporary groups

( 1,256 herdmate records from 8 contemporary groups)