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 6.6% 2.8%	92% ( V High) 95% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.6% 2.8%	92% 95%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.0%	92%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.8%	91%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.3 kg	88%
May 2025	Birth Weight (Expected progeny birth weight)	41.3 kg	88%
Sep 2025	Gestation (Days between conception and birth)	-3.20 days	99%
May 2025	Gestation (Days between conception and birth)	-3.15 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.22	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.12	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.72%	85%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.64%	85%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.6% 2.8%	92% ( V High) 95% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.6% 2.8%	92% 95%
Sep 2025	Birth Size	18.0%	92%
May 2025	Birth Size	18.8%	91%
Sep 2025	Birth Weight	41.3 kg	88%
May 2025	Birth Weight	41.3 kg	88%
Sep 2025	Gest	-3.20 days	99%
May 2025	Gest	-3.15 days	99%
Sep 2025	Mort	-0.22	99%
May 2025	Mort	-0.12	99%
Sep 2025	Maternal Calving Difficulty	3.72%	85%
May 2025	Maternal Calving Difficulty	3.64%	85%

840 total progeny records from 231 dairy contemporary groups

( 18,634 herdmate records from 231 dairy contemporary groups)

112 progeny ( 1,188 herdmates) born to heifers
249 progeny ( 4,416 herdmates) born to 2nd parity dam
479 progeny ( 13,030 herdmates) born to ≥3rd parity dam
39.9% progeny (46.6% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.9%, FR: 19.9%, JE: 4.5%, NR: 0.8%, OTHER: 1.2%	HO: 69.6%, FR: 20.1%, JE: 6.3%, NR: 1.0%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.5% 2.6%	6.3% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	741 Days 1105 Days 2154 Days	744 Days 1113 Days 2197 Days

59 total progeny records from 19 contemporary groups

( 1,430 herdmate records from 19 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.5%, FR: 19.5%, JE: 3.0%, NR: 1.3%, OTHER: 1.6%	HO: 68.8%, FR: 20.3%, JE: 6.7%, NR: 1.0%, OTHER: 1.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	22% 19.6% 19.2%	19.1% 19.4% 19.1%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.1kg 40.4kg 40.9kg	40.8kg 40.5kg 40.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	777 Days 1108 Days 2111 Days	758 Days 1127 Days 2189 Days

23 total progeny records from 12 contemporary groups

( 1,299 herdmate records from 12 contemporary groups)