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 5.2% 2.2%	95% ( V High) 97% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.0% 2.2%	95% 97%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.8%	93%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.3%	93%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.3 kg	82%
May 2025	Birth Weight (Expected progeny birth weight)	41.5 kg	81%
Sep 2025	Gestation (Days between conception and birth)	-2.45 days	99%
May 2025	Gestation (Days between conception and birth)	-2.46 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.54	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.67	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.89%	93%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.85%	93%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.2% 2.2%	95% ( V High) 97% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.0% 2.2%	95% 97%
Sep 2025	Birth Size	20.8%	93%
May 2025	Birth Size	20.3%	93%
Sep 2025	Birth Weight	41.3 kg	82%
May 2025	Birth Weight	41.5 kg	81%
Sep 2025	Gest	-2.45 days	99%
May 2025	Gest	-2.46 days	99%
Sep 2025	Mort	-0.54	99%
May 2025	Mort	-0.67	99%
Sep 2025	Maternal Calving Difficulty	4.89%	93%
May 2025	Maternal Calving Difficulty	4.85%	93%

906 total progeny records from 428 dairy contemporary groups

( 14,010 herdmate records from 424 dairy contemporary groups)

283 progeny ( 2,476 herdmates) born to heifers
184 progeny ( 3,278 herdmates) born to 2nd parity dam
439 progeny ( 8,256 herdmates) born to ≥3rd parity dam
31.6% progeny (44.5% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 87.0%, FR: 7.8%, JE: 0.8%, NR: 0.4%, OTHER: 2.1%	HO: 84.7%, FR: 10.8%, JE: 1.5%, NR: 0.3%, OTHER: 1.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.7% 3.1% 3.1%	7.1% 2.9% 2.9%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	805 Days 1218 Days 2136 Days	794 Days 1188 Days 2178 Days

62 total progeny records from 28 contemporary groups

( 1,371 herdmate records from 28 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 87.2%, FR: 9.4%, JE: 0.0%, NR: 0.4%, OTHER: 1.2%	HO: 83.5%, FR: 13.3%, JE: 0.5%, NR: 0.5%, OTHER: 0.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	21.2% 21.8% 20.6%	20.6% 20.5% 20.1%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	42.5kg 42.1kg 41.9kg	41.6kg 41.2kg 41.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	777 Days 1177 Days 2173 Days	768 Days 1138 Days 2193 Days

10 total progeny records from 7 contemporary groups

( 268 herdmate records from 7 contemporary groups)