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	High 15.0% 5.7%	71% ( High) 89% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 14.8% 5.8%	71% 89%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	40.0%	89%
May 2025	Birth Size (Progeny expected to be born large or extra large)	38.4%	89%
Sep 2025	Birth Weight (Expected progeny birth weight)	44.5 kg	73%
May 2025	Birth Weight (Expected progeny birth weight)	44.5 kg	73%
Sep 2025	Gestation (Days between conception and birth)	0.70 days	97%
May 2025	Gestation (Days between conception and birth)	0.70 days	97%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.63	97%
May 2025	Mortality (Calves dead at or soon after birth)	-0.62	97%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	2.29%	80%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	2.27%	79%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 15.0% 5.7%	71% ( High) 89% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 14.8% 5.8%	71% 89%
Sep 2025	Birth Size	40.0%	89%
May 2025	Birth Size	38.4%	89%
Sep 2025	Birth Weight	44.5 kg	73%
May 2025	Birth Weight	44.5 kg	73%
Sep 2025	Gest	0.70 days	97%
May 2025	Gest	0.70 days	97%
Sep 2025	Mort	-0.63	97%
May 2025	Mort	-0.62	97%
Sep 2025	Maternal Calving Difficulty	2.29%	80%
May 2025	Maternal Calving Difficulty	2.27%	79%

261 total progeny records from 77 dairy contemporary groups

( 3,342 herdmate records from 75 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 54.6%, FR: 14.9%, JE: 2.8%, NR: 1.3%, OTHER: 8.8%	HO: 59.8%, FR: 18.5%, JE: 1.7%, NR: 1.2%, OTHER: 8.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	8.5% 3.1% 2.8%	7.3% 2.9% 2.8%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	856 Days 1134 Days 2320 Days	781 Days 1133 Days 2213 Days

32 total progeny records from 10 contemporary groups

( 666 herdmate records from 10 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 52.0%, FR: 15.9%, JE: 2.1%, NR: 0.4%, OTHER: 15.0%	HO: 58.6%, FR: 18.3%, JE: 2.4%, NR: 0.9%, OTHER: 7.5%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	22.6% 19.7% 19.2%	19.5% 19.5% 19%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.9kg 41.6kg	0kg 41.5kg 41.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	777 Days 1154 Days 2467 Days	766 Days 1120 Days 2166 Days

12 total progeny records from 6 contemporary groups

( 259 herdmate records from 6 contemporary groups)