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 7.8% 3.1%	97% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.7% 3.1%	96% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	25.4%	92%
May 2025	Birth Size (Progeny expected to be born large or extra large)	25.0%	92%
Sep 2025	Birth Weight (Expected progeny birth weight)	43.2 kg	92%
May 2025	Birth Weight (Expected progeny birth weight)	43.4 kg	92%
Sep 2025	Gestation (Days between conception and birth)	-3.95 days	99%
May 2025	Gestation (Days between conception and birth)	-3.95 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.26	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.25	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.38%	95%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.30%	94%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.8% 3.1%	97% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.7% 3.1%	96% 98%
Sep 2025	Birth Size	25.4%	92%
May 2025	Birth Size	25.0%	92%
Sep 2025	Birth Weight	43.2 kg	92%
May 2025	Birth Weight	43.4 kg	92%
Sep 2025	Gest	-3.95 days	99%
May 2025	Gest	-3.95 days	99%
Sep 2025	Mort	-0.26	99%
May 2025	Mort	-0.25	99%
Sep 2025	Maternal Calving Difficulty	5.38%	95%
May 2025	Maternal Calving Difficulty	5.30%	94%

1,563 total progeny records from 600 dairy contemporary groups

( 17,568 herdmate records from 590 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 89.9%, FR: 4.8%, JE: 1.5%, NR: 0.2%, OTHER: 2.1%	HO: 88.3%, FR: 7.3%, JE: 0.9%, NR: 0.2%, OTHER: 1.6%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.6% 3% 3.1%	7.2% 3% 2.9%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	800 Days 1177 Days 2108 Days	783 Days 1173 Days 2188 Days

51 total progeny records from 20 contemporary groups

( 922 herdmate records from 20 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 88.8%, FR: 3.5%, JE: 0.4%, NR: 0.7%, OTHER: 5.2%	HO: 82.5%, FR: 4.2%, JE: 0.2%, NR: 0.3%, OTHER: 7.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	22.1% 21.1% 21.6%	21.9% 20.8% 20.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.3kg 41.7kg 41.7kg	41.8kg 41.4kg 41.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	739 Days 1191 Days 2292 Days	756 Days 1137 Days 2147 Days

37 total progeny records from 15 contemporary groups

( 619 herdmate records from 15 contemporary groups)