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 6.4% 2.6%	94% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.6%	94% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.1%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	17.9%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.2 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	40.2 kg	90%
Sep 2025	Gestation (Days between conception and birth)	-4.16 days	99%
May 2025	Gestation (Days between conception and birth)	-4.16 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.30	99%
May 2025	Mortality (Calves dead at or soon after birth)	0.31	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.69%	91%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.62%	90%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.6%	94% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.6%	94% 98%
Sep 2025	Birth Size	17.1%	97%
May 2025	Birth Size	17.9%	97%
Sep 2025	Birth Weight	40.2 kg	94%
May 2025	Birth Weight	40.2 kg	90%
Sep 2025	Gest	-4.16 days	99%
May 2025	Gest	-4.16 days	99%
Sep 2025	Mort	0.30	99%
May 2025	Mort	0.31	99%
Sep 2025	Maternal Calving Difficulty	4.69%	91%
May 2025	Maternal Calving Difficulty	4.62%	90%

2,507 total progeny records from 616 dairy contemporary groups

( 46,003 herdmate records from 614 dairy contemporary groups)

270 progeny ( 2,910 herdmates) born to heifers
675 progeny ( 10,446 herdmates) born to 2nd parity dam
1,562 progeny ( 32,647 herdmates) born to ≥3rd parity dam
34% progeny (47.8% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.9%, FR: 23.1%, JE: 5.5%, NR: 0.6%, OTHER: 1.1%	HO: 67.4%, FR: 22.4%, JE: 6.3%, NR: 0.8%, OTHER: 1.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.5% 2.5%	6.3% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	742 Days 1105 Days 2110 Days	744 Days 1116 Days 2211 Days

197 total progeny records from 40 contemporary groups

( 3,590 herdmate records from 40 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 65.8%, FR: 23.1%, JE: 7.6%, NR: 0.4%, OTHER: 0.8%	HO: 67.8%, FR: 22.2%, JE: 6.5%, NR: 0.7%, OTHER: 0.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18% 18.2% 18.3%	18.3% 18.2% 18.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.9kg 40.8kg 40.9kg	40.3kg 40.6kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	756 Days 1107 Days 2077 Days	741 Days 1116 Days 2227 Days

53 total progeny records from 17 contemporary groups

( 2,261 herdmate records from 17 contemporary groups)