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 6.6% 2.5%	94% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.5%	91% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.9%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.0%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.4 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	40.4 kg	94%
Sep 2025	Gestation (Days between conception and birth)	-5.04 days	99%
May 2025	Gestation (Days between conception and birth)	-5.06 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.13	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.20	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.28%	87%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.21%	87%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.6% 2.5%	94% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.5%	91% 98%
Sep 2025	Birth Size	17.9%	96%
May 2025	Birth Size	18.0%	96%
Sep 2025	Birth Weight	40.4 kg	94%
May 2025	Birth Weight	40.4 kg	94%
Sep 2025	Gest	-5.04 days	99%
May 2025	Gest	-5.06 days	99%
Sep 2025	Mort	-0.13	99%
May 2025	Mort	-0.20	99%
Sep 2025	Maternal Calving Difficulty	4.28%	87%
May 2025	Maternal Calving Difficulty	4.21%	87%

1,753 total progeny records from 383 dairy contemporary groups

( 31,217 herdmate records from 380 dairy contemporary groups)

168 progeny ( 2,175 herdmates) born to heifers
442 progeny ( 7,190 herdmates) born to 2nd parity dam
1,143 progeny ( 21,852 herdmates) born to ≥3rd parity dam
48.8% progeny (47.4% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.5%, FR: 23.5%, JE: 4.2%, NR: 0.6%, OTHER: 1.1%	HO: 68.0%, FR: 23.4%, JE: 5.5%, NR: 0.7%, OTHER: 1.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.5% 2.5%	6.2% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	739 Days 1109 Days 2089 Days	740 Days 1113 Days 2200 Days

149 total progeny records from 34 contemporary groups

( 2,968 herdmate records from 34 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.7%, FR: 23.3%, JE: 2.3%, NR: 0.2%, OTHER: 0.6%	HO: 71.4%, FR: 23.5%, JE: 3.1%, NR: 0.2%, OTHER: 0.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20.9% 18.3% 20%	18.6% 18.4% 19.1%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.9kg 40.9kg 40.7kg	40.6kg 40.7kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	776 Days 1129 Days 1989 Days	736 Days 1110 Days 2156 Days

97 total progeny records from 17 contemporary groups

( 2,257 herdmate records from 17 contemporary groups)