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% 2.6%	92% ( V High) 96% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.6%	91% 96%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.8%	89%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.5%	89%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.6 kg	92%
May 2025	Birth Weight (Expected progeny birth weight)	41.6 kg	92%
Sep 2025	Gestation (Days between conception and birth)	-1.94 days	98%
May 2025	Gestation (Days between conception and birth)	-1.93 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.41	98%
May 2025	Mortality (Calves dead at or soon after birth)	-0.47	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.03%	91%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.02%	90%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.6%	92% ( V High) 96% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.6%	91% 96%
Sep 2025	Birth Size	18.8%	89%
May 2025	Birth Size	18.5%	89%
Sep 2025	Birth Weight	41.6 kg	92%
May 2025	Birth Weight	41.6 kg	92%
Sep 2025	Gest	-1.94 days	98%
May 2025	Gest	-1.93 days	98%
Sep 2025	Mort	-0.41	98%
May 2025	Mort	-0.47	98%
Sep 2025	Maternal Calving Difficulty	5.03%	91%
May 2025	Maternal Calving Difficulty	5.02%	90%

797 total progeny records from 168 dairy contemporary groups

( 8,223 herdmate records from 167 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 76.7%, FR: 18.9%, JE: 0.6%, NR: 0.5%, OTHER: 0.9%	HO: 79.6%, FR: 15.7%, JE: 0.9%, NR: 0.4%, OTHER: 1.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.1% 2.8% 2.9%	7% 2.8% 2.8%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	810 Days 1148 Days 2173 Days	763 Days 1145 Days 2200 Days

36 total progeny records from 12 contemporary groups

( 963 herdmate records from 12 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 76.3%, FR: 20.5%, JE: 0.5%, NR: 0.0%, OTHER: 0.5%	HO: 77.9%, FR: 16.6%, JE: 0.5%, NR: 0.8%, OTHER: 0.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.4% 18.3% 18.5%	20.1% 19.1% 19.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 42.1kg 41.4kg	0kg 41.5kg 41.4kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	773 Days 1122 Days 2082 Days	739 Days 1136 Days 2149 Days

39 total progeny records from 9 contemporary groups

( 597 herdmate records from 9 contemporary groups)