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 5.9% 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 6.0% 2.4%	90% 95%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.4%	90%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.4%	90%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.7 kg	80%
May 2025	Birth Weight (Expected progeny birth weight)	39.8 kg	81%
Sep 2025	Gestation (Days between conception and birth)	-3.48 days	99%
May 2025	Gestation (Days between conception and birth)	-3.48 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)	6.68%	90%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	6.72%	90%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.4%	91% ( V High) 95% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.0% 2.4%	90% 95%
Sep 2025	Birth Size	19.4%	90%
May 2025	Birth Size	19.4%	90%
Sep 2025	Birth Weight	39.7 kg	80%
May 2025	Birth Weight	39.8 kg	81%
Sep 2025	Gest	-3.48 days	99%
May 2025	Gest	-3.48 days	99%
Sep 2025	Mort	-0.01	99%
May 2025	Mort	-0.06	99%
Sep 2025	Maternal Calving Difficulty	6.68%	90%
May 2025	Maternal Calving Difficulty	6.72%	90%

661 total progeny records from 189 dairy contemporary groups

( 8,936 herdmate records from 187 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 41.2%, FR: 54.6%, JE: 0.6%, NR: 0.5%, OTHER: 1.0%	HO: 44.8%, FR: 49.6%, JE: 1.4%, NR: 0.8%, OTHER: 1.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.9% 2.6% 2.8%	6.9% 2.6% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	738 Days 1124 Days 2216 Days	772 Days 1122 Days 2252 Days

32 total progeny records from 12 contemporary groups

( 753 herdmate records from 12 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.5%, FR: 27.8%, JE: 1.4%, NR: 0.3%, OTHER: 0.5%	HO: 53.6%, FR: 38.1%, JE: 2.0%, NR: 1.8%, OTHER: 1.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 18.3% 21.5%	0% 19.5% 19.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.6kg 41.9kg	0kg 41.2kg 41.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1125 Days 2413 Days	0 Days 1124 Days 2404 Days

6 total progeny records from 3 contemporary groups

( 164 herdmate records from 3 contemporary groups)