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 6.2% 2.5%	96% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.3% 2.5%	96% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.4%	94%
May 2025	Birth Size (Progeny expected to be born large or extra large)	17.4%	94%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.2 kg	90%
May 2025	Birth Weight (Expected progeny birth weight)	40.2 kg	90%
Sep 2025	Gestation (Days between conception and birth)	-4.88 days	99%
May 2025	Gestation (Days between conception and birth)	-4.88 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.44	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.48	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.39%	96%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.23%	96%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.5%	96% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.3% 2.5%	96% 98%
Sep 2025	Birth Size	17.4%	94%
May 2025	Birth Size	17.4%	94%
Sep 2025	Birth Weight	40.2 kg	90%
May 2025	Birth Weight	40.2 kg	90%
Sep 2025	Gest	-4.88 days	99%
May 2025	Gest	-4.88 days	99%
Sep 2025	Mort	-0.44	99%
May 2025	Mort	-0.48	99%
Sep 2025	Maternal Calving Difficulty	5.39%	96%
May 2025	Maternal Calving Difficulty	5.23%	96%

1,569 total progeny records from 455 dairy contemporary groups

( 28,029 herdmate records from 452 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.2%, FR: 18.6%, JE: 4.5%, NR: 0.7%, OTHER: 1.3%	HO: 71.5%, FR: 18.5%, JE: 4.6%, NR: 0.9%, OTHER: 1.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.6% 2.7%	6.2% 2.6% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	788 Days 1135 Days 2211 Days	755 Days 1129 Days 2200 Days

73 total progeny records from 27 contemporary groups

( 1,398 herdmate records from 27 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.1%, FR: 22.5%, JE: 2.4%, NR: 2.7%, OTHER: 1.1%	HO: 71.4%, FR: 20.1%, JE: 1.7%, NR: 1.8%, OTHER: 2.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 19.8% 19.9%	0% 19.4% 20.1%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.8kg 41.8kg	0kg 41.5kg 41.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1191 Days 2125 Days	0 Days 1154 Days 2220 Days

23 total progeny records from 7 contemporary groups

( 361 herdmate records from 7 contemporary groups)