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 5.4% 2.1%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.1%	99% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	15.3%	98%
May 2025	Birth Size (Progeny expected to be born large or extra large)	15.5%	98%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.5 kg	98%
May 2025	Birth Weight (Expected progeny birth weight)	40.5 kg	98%
Sep 2025	Gestation (Days between conception and birth)	-4.91 days	99%
May 2025	Gestation (Days between conception and birth)	-4.95 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.19	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.25	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.72%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.69%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.1%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.1%	99% 99%
Sep 2025	Birth Size	15.3%	98%
May 2025	Birth Size	15.5%	98%
Sep 2025	Birth Weight	40.5 kg	98%
May 2025	Birth Weight	40.5 kg	98%
Sep 2025	Gest	-4.91 days	99%
May 2025	Gest	-4.95 days	99%
Sep 2025	Mort	-0.19	99%
May 2025	Mort	-0.25	99%
Sep 2025	Maternal Calving Difficulty	5.72%	99%
May 2025	Maternal Calving Difficulty	5.69%	99%

8,505 total progeny records from 2,011 dairy contemporary groups

( 70,317 herdmate records from 1,990 dairy contemporary groups)

3,304 progeny ( 13,118 herdmates) born to heifers
1,510 progeny ( 16,705 herdmates) born to 2nd parity dam
3,691 progeny ( 40,494 herdmates) born to ≥3rd parity dam
46.6% progeny (49.9% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 61.2%, FR: 30.6%, JE: 2.2%, NR: 0.8%, OTHER: 1.7%	HO: 62.1%, FR: 28.2%, JE: 2.9%, NR: 1.0%, OTHER: 2.3%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7% 2.8% 2.9%	6.9% 2.7% 2.9%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	756 Days 1143 Days 2163 Days	762 Days 1136 Days 2148 Days

45 total progeny records from 15 contemporary groups

( 742 herdmate records from 15 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 62.5%, FR: 29.4%, JE: 3.1%, NR: 0.8%, OTHER: 1.3%	HO: 62.6%, FR: 28.7%, JE: 3.0%, NR: 0.8%, OTHER: 1.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.9% 21.7% 19.9%	18.7% 18.6% 19.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.3kg 41.1kg 41.3kg	41kg 41.2kg 41.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	780 Days 1107 Days 2087 Days	753 Days 1135 Days 2116 Days

241 total progeny records from 38 contemporary groups

( 2,306 herdmate records from 38 contemporary groups)