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 4.8% 2.2%	95% ( 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 4.8% 2.2%	95% 94%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	10.6%	90%
May 2025	Birth Size (Progeny expected to be born large or extra large)	10.8%	90%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	92%
May 2025	Birth Weight (Expected progeny birth weight)	41.3 kg	92%
Sep 2025	Gestation (Days between conception and birth)	-4.55 days	99%
May 2025	Gestation (Days between conception and birth)	-4.54 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.66	99%
May 2025	Mortality (Calves dead at or soon after birth)	0.60	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.10%	92%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.94%	92%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.8% 2.2%	95% ( V High) 95% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.8% 2.2%	95% 94%
Sep 2025	Birth Size	10.6%	90%
May 2025	Birth Size	10.8%	90%
Sep 2025	Birth Weight	41.2 kg	92%
May 2025	Birth Weight	41.3 kg	92%
Sep 2025	Gest	-4.55 days	99%
May 2025	Gest	-4.54 days	99%
Sep 2025	Mort	0.66	99%
May 2025	Mort	0.60	99%
Sep 2025	Maternal Calving Difficulty	5.10%	92%
May 2025	Maternal Calving Difficulty	4.94%	92%

663 total progeny records from 152 dairy contemporary groups

( 10,061 herdmate records from 152 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 62.9%, FR: 28.5%, JE: 5.2%, NR: 1.0%, OTHER: 0.9%	HO: 66.7%, FR: 25.4%, JE: 3.8%, NR: 0.9%, OTHER: 1.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.5% 2.6%	6.3% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	729 Days 1120 Days 2090 Days	740 Days 1121 Days 2166 Days

30 total progeny records from 10 contemporary groups

( 533 herdmate records from 10 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 61.9%, FR: 27.0%, JE: 5.3%, NR: 3.5%, OTHER: 0.3%	HO: 71.2%, FR: 22.3%, JE: 2.5%, NR: 1.6%, OTHER: 0.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	16.1% 15.4% 19.7%	17% 18.3% 19.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.2kg 41.2kg	0kg 41.2kg 41.3kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	1087 Days 1158 Days 2357 Days	765 Days 1128 Days 2168 Days

31 total progeny records from 6 contemporary groups

( 631 herdmate records from 6 contemporary groups)