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 6.6% 2.3%	94% ( 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 6.7% 2.3%	94% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.8%	94%
May 2025	Birth Size (Progeny expected to be born large or extra large)	17.7%	94%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.2 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	40.3 kg	94%
Sep 2025	Gestation (Days between conception and birth)	-1.90 days	99%
May 2025	Gestation (Days between conception and birth)	-1.91 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.01	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.06	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.57%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.53%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.6% 2.3%	94% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.7% 2.3%	94% 99%
Sep 2025	Birth Size	17.8%	94%
May 2025	Birth Size	17.7%	94%
Sep 2025	Birth Weight	40.2 kg	94%
May 2025	Birth Weight	40.3 kg	94%
Sep 2025	Gest	-1.90 days	99%
May 2025	Gest	-1.91 days	99%
Sep 2025	Mort	0.01	99%
May 2025	Mort	-0.06	99%
Sep 2025	Maternal Calving Difficulty	4.57%	98%
May 2025	Maternal Calving Difficulty	4.53%	98%

1,812 total progeny records from 523 dairy contemporary groups

( 20,639 herdmate records from 519 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 77.2%, FR: 15.2%, JE: 1.5%, NR: 0.7%, OTHER: 1.7%	HO: 76.3%, FR: 15.9%, JE: 1.6%, NR: 0.7%, OTHER: 1.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.9% 2.8% 3%	7.1% 2.8% 3%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	831 Days 1154 Days 2143 Days	790 Days 1149 Days 2156 Days

29 total progeny records from 10 contemporary groups

( 556 herdmate records from 10 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 83.3%, FR: 11.5%, JE: 1.1%, NR: 0.0%, OTHER: 1.2%	HO: 81.2%, FR: 12.5%, JE: 1.0%, NR: 0.2%, OTHER: 1.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 19.7% 21.7%	0% 20.8% 21.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	42.1kg 40.7kg 41.7kg	41.4kg 41.4kg 41.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	1035 Days 1267 Days 2169 Days	805 Days 1198 Days 2210 Days

70 total progeny records from 15 contemporary groups

( 906 herdmate records from 15 contemporary groups)