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	High 9.7% 3.4%	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	High 9.6% 3.4%	92% 96%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	24.5%	88%
May 2025	Birth Size (Progeny expected to be born large or extra large)	24.6%	88%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.9 kg	92%
May 2025	Birth Weight (Expected progeny birth weight)	42.8 kg	92%
Sep 2025	Gestation (Days between conception and birth)	-4.04 days	98%
May 2025	Gestation (Days between conception and birth)	-4.05 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.24	98%
May 2025	Mortality (Calves dead at or soon after birth)	-0.26	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.21%	94%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.15%	94%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.7% 3.4%	92% ( V High) 96% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.6% 3.4%	92% 96%
Sep 2025	Birth Size	24.5%	88%
May 2025	Birth Size	24.6%	88%
Sep 2025	Birth Weight	42.9 kg	92%
May 2025	Birth Weight	42.8 kg	92%
Sep 2025	Gest	-4.04 days	98%
May 2025	Gest	-4.05 days	98%
Sep 2025	Mort	-0.24	98%
May 2025	Mort	-0.26	98%
Sep 2025	Maternal Calving Difficulty	4.21%	94%
May 2025	Maternal Calving Difficulty	4.15%	94%

748 total progeny records from 192 dairy contemporary groups

( 10,219 herdmate records from 190 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 76.6%, FR: 19.5%, JE: 0.5%, NR: 0.1%, OTHER: 1.3%	HO: 73.7%, FR: 20.3%, JE: 1.2%, NR: 0.3%, OTHER: 2.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.8% 2.9% 2.8%	6.9% 2.8% 2.9%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	816 Days 1184 Days 2221 Days	772 Days 1163 Days 2171 Days

25 total progeny records from 12 contemporary groups

( 846 herdmate records from 12 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 62.4%, FR: 31.8%, JE: 0.3%, NR: 0.2%, OTHER: 0.9%	HO: 61.9%, FR: 30.9%, JE: 1.2%, NR: 0.3%, OTHER: 3.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	22.9% 22.9% 20.8%	19.9% 20% 20.1%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40kg 41.8kg 41.5kg	41.4kg 41.3kg 41.3kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	923 Days 1181 Days 2282 Days	782 Days 1169 Days 2236 Days

30 total progeny records from 6 contemporary groups

( 752 herdmate records from 6 contemporary groups)