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	Moderate 7.3% 2.6%	87% ( V High) 96% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.4% 2.6%	87% 96%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.7%	92%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.8%	91%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.3 kg	91%
May 2025	Birth Weight (Expected progeny birth weight)	42.5 kg	91%
Sep 2025	Gestation (Days between conception and birth)	-3.49 days	99%
May 2025	Gestation (Days between conception and birth)	-3.50 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.32	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.35	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.17%	92%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.00%	92%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.3% 2.6%	87% ( V High) 96% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.4% 2.6%	87% 96%
Sep 2025	Birth Size	18.7%	92%
May 2025	Birth Size	18.8%	91%
Sep 2025	Birth Weight	42.3 kg	91%
May 2025	Birth Weight	42.5 kg	91%
Sep 2025	Gest	-3.49 days	99%
May 2025	Gest	-3.50 days	99%
Sep 2025	Mort	-0.32	99%
May 2025	Mort	-0.35	99%
Sep 2025	Maternal Calving Difficulty	5.17%	92%
May 2025	Maternal Calving Difficulty	5.00%	92%

580 total progeny records from 173 dairy contemporary groups

( 9,057 herdmate records from 171 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 36.8%, FR: 58.9%, JE: 1.2%, NR: 0.3%, OTHER: 1.0%	HO: 40.7%, FR: 53.7%, JE: 1.5%, NR: 0.4%, OTHER: 1.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.7% 2.7% 2.7%	6.5% 2.7% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	772 Days 1142 Days 2257 Days	746 Days 1134 Days 2234 Days

35 total progeny records from 13 contemporary groups

( 548 herdmate records from 13 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 48.9%, FR: 41.1%, JE: 0.3%, NR: 1.6%, OTHER: 4.5%	HO: 61.1%, FR: 30.0%, JE: 0.5%, NR: 0.8%, OTHER: 3.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 20.7% 20.9%	0% 20.8% 20.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.1kg 42.1kg 41.8kg	41.5kg 41.9kg 41.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	926 Days 1138 Days 2126 Days	776 Days 1169 Days 2216 Days

27 total progeny records from 7 contemporary groups

( 188 herdmate records from 7 contemporary groups)