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 6.9% 2.4%	91% ( V High) 95% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.9% 2.5%	90% 95%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.8%	94%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.8%	94%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.6 kg	92%
May 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	92%
Sep 2025	Gestation (Days between conception and birth)	-3.83 days	99%
May 2025	Gestation (Days between conception and birth)	-3.83 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.57	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.70	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.36%	91%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.39%	91%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.9% 2.4%	91% ( V High) 95% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.9% 2.5%	90% 95%
Sep 2025	Birth Size	19.8%	94%
May 2025	Birth Size	19.8%	94%
Sep 2025	Birth Weight	40.6 kg	92%
May 2025	Birth Weight	40.8 kg	92%
Sep 2025	Gest	-3.83 days	99%
May 2025	Gest	-3.83 days	99%
Sep 2025	Mort	-0.57	99%
May 2025	Mort	-0.70	99%
Sep 2025	Maternal Calving Difficulty	5.36%	91%
May 2025	Maternal Calving Difficulty	5.39%	91%

682 total progeny records from 189 dairy contemporary groups

( 13,406 herdmate records from 186 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 62.1%, FR: 30.1%, JE: 2.7%, NR: 0.8%, OTHER: 1.8%	HO: 64.1%, FR: 27.3%, JE: 4.3%, NR: 0.8%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.6% 2.6%	6.5% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	766 Days 1134 Days 2206 Days	748 Days 1116 Days 2184 Days

84 total progeny records from 22 contemporary groups

( 1,578 herdmate records from 21 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 63.2%, FR: 29.8%, JE: 2.2%, NR: 0.6%, OTHER: 1.0%	HO: 67.6%, FR: 25.6%, JE: 2.8%, NR: 1.2%, OTHER: 0.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	16.8% 19.6% 20%	18.5% 18.8% 18.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.5kg 40.8kg	0kg 41.1kg 41.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	762 Days 1165 Days 2210 Days	738 Days 1110 Days 2194 Days

37 total progeny records from 8 contemporary groups

( 981 herdmate records from 8 contemporary groups)