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 6.1% 2.6%	94% ( V High) 97% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.1% 2.5%	94% 97%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.7%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.6%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.7 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	40.7 kg	92%
Sep 2025	Gestation (Days between conception and birth)	-4.12 days	99%
May 2025	Gestation (Days between conception and birth)	-4.09 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.70	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.68	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.62%	86%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.53%	86%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.1% 2.6%	94% ( V High) 97% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.1% 2.5%	94% 97%
Sep 2025	Birth Size	18.7%	95%
May 2025	Birth Size	19.6%	95%
Sep 2025	Birth Weight	40.7 kg	94%
May 2025	Birth Weight	40.7 kg	92%
Sep 2025	Gest	-4.12 days	99%
May 2025	Gest	-4.09 days	99%
Sep 2025	Mort	-0.70	99%
May 2025	Mort	-0.68	99%
Sep 2025	Maternal Calving Difficulty	4.62%	86%
May 2025	Maternal Calving Difficulty	4.53%	86%

1,706 total progeny records from 399 dairy contemporary groups

( 30,304 herdmate records from 399 dairy contemporary groups)

297 progeny ( 2,404 herdmates) born to heifers
449 progeny ( 7,113 herdmates) born to 2nd parity dam
960 progeny ( 20,787 herdmates) born to ≥3rd parity dam
38% progeny (47.4% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 74.0%, FR: 20.7%, JE: 3.2%, NR: 0.3%, OTHER: 0.6%	HO: 72.2%, FR: 20.5%, JE: 4.5%, NR: 0.5%, OTHER: 0.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.5% 2.5%	6.2% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	735 Days 1101 Days 2070 Days	741 Days 1112 Days 2193 Days

122 total progeny records from 28 contemporary groups

( 2,523 herdmate records from 28 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.4%, FR: 22.9%, JE: 2.4%, NR: 0.1%, OTHER: 0.8%	HO: 72.2%, FR: 22.8%, JE: 2.7%, NR: 0.4%, OTHER: 0.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.2% 18% 18.8%	18.7% 19.3% 18.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.3kg 40.9kg 41.1kg	40.4kg 40.7kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	727 Days 1100 Days 2178 Days	741 Days 1113 Days 2152 Days

61 total progeny records from 12 contemporary groups

( 1,494 herdmate records from 12 contemporary groups)