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 5.7% 2.6%	94% ( V High) 96% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.6%	94% 96%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.1%	92%
May 2025	Birth Size (Progeny expected to be born large or extra large)	17.2%	92%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.0 kg	93%
May 2025	Birth Weight (Expected progeny birth weight)	39.8 kg	93%
Sep 2025	Gestation (Days between conception and birth)	-1.69 days	99%
May 2025	Gestation (Days between conception and birth)	-1.67 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.56	99%
May 2025	Mortality (Calves dead at or soon after birth)	0.58	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.95%	89%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.99%	89%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.7% 2.6%	94% ( V High) 96% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.6%	94% 96%
Sep 2025	Birth Size	17.1%	92%
May 2025	Birth Size	17.2%	92%
Sep 2025	Birth Weight	40.0 kg	93%
May 2025	Birth Weight	39.8 kg	93%
Sep 2025	Gest	-1.69 days	99%
May 2025	Gest	-1.67 days	99%
Sep 2025	Mort	0.56	99%
May 2025	Mort	0.58	99%
Sep 2025	Maternal Calving Difficulty	4.95%	89%
May 2025	Maternal Calving Difficulty	4.99%	89%

1,172 total progeny records from 371 dairy contemporary groups

( 21,586 herdmate records from 369 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 81.0%, FR: 15.1%, JE: 1.1%, NR: 0.4%, OTHER: 0.6%	HO: 77.2%, FR: 16.8%, JE: 2.9%, NR: 0.5%, OTHER: 0.7%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.5% 2.7% 2.7%	6.5% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	767 Days 1146 Days 2245 Days	761 Days 1136 Days 2211 Days

55 total progeny records from 19 contemporary groups

( 1,626 herdmate records from 19 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 79.0%, FR: 18.1%, JE: 1.3%, NR: 0.1%, OTHER: 0.1%	HO: 71.8%, FR: 20.2%, JE: 4.9%, NR: 0.6%, OTHER: 0.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.5% 16.9% 20%	18.1% 18.3% 18.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.9kg 41kg 41.1kg	41.1kg 41kg 41kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	856 Days 1129 Days 2231 Days	747 Days 1121 Days 2211 Days

48 total progeny records from 14 contemporary groups

( 931 herdmate records from 14 contemporary groups)