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% 2.5%	97% ( 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 6.4% 2.5%	97% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.9%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.9%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	97%
May 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	97%
Sep 2025	Gestation (Days between conception and birth)	-4.59 days	99%
May 2025	Gestation (Days between conception and birth)	-4.61 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.84	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.90	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.98%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.91%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.5%	97% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.5%	97% 99%
Sep 2025	Birth Size	20.9%	97%
May 2025	Birth Size	20.9%	97%
Sep 2025	Birth Weight	41.2 kg	97%
May 2025	Birth Weight	41.2 kg	97%
Sep 2025	Gest	-4.59 days	99%
May 2025	Gest	-4.61 days	99%
Sep 2025	Mort	-0.84	99%
May 2025	Mort	-0.90	99%
Sep 2025	Maternal Calving Difficulty	4.98%	99%
May 2025	Maternal Calving Difficulty	4.91%	99%

4,302 total progeny records from 1,244 dairy contemporary groups

( 56,569 herdmate records from 1,232 dairy contemporary groups)

132 progeny ( 1,331 herdmates) born to heifers
1,159 progeny ( 15,398 herdmates) born to 2nd parity dam
3,011 progeny ( 39,840 herdmates) born to ≥3rd parity dam
51.6% progeny (50.9% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 76.4%, FR: 16.2%, JE: 2.1%, NR: 0.7%, OTHER: 1.7%	HO: 75.7%, FR: 16.5%, JE: 2.6%, NR: 0.9%, OTHER: 1.6%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7% 2.8% 2.9%	7% 2.7% 2.8%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	843 Days 1157 Days 2127 Days	778 Days 1147 Days 2150 Days

156 total progeny records from 43 contemporary groups

( 2,390 herdmate records from 43 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 75.8%, FR: 16.9%, JE: 1.9%, NR: 0.2%, OTHER: 1.0%	HO: 76.9%, FR: 15.7%, JE: 1.7%, NR: 1.0%, OTHER: 1.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	22.9% 19.5% 21.2%	19.9% 20.4% 20.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.1kg 41.5kg	0kg 41.2kg 41.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	1004 Days 1133 Days 2240 Days	749 Days 1123 Days 2153 Days

83 total progeny records from 22 contemporary groups

( 1,041 herdmate records from 22 contemporary groups)