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% 3.1%	93% ( 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 7.3% 3.0%	93% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	26.9%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	26.7%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.9 kg	92%
May 2025	Birth Weight (Expected progeny birth weight)	42.8 kg	92%
Sep 2025	Gestation (Days between conception and birth)	-2.91 days	99%
May 2025	Gestation (Days between conception and birth)	-2.92 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.47	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.45	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.77%	96%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.75%	96%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.3% 3.1%	93% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.3% 3.0%	93% 98%
Sep 2025	Birth Size	26.9%	96%
May 2025	Birth Size	26.7%	96%
Sep 2025	Birth Weight	42.9 kg	92%
May 2025	Birth Weight	42.8 kg	92%
Sep 2025	Gest	-2.91 days	99%
May 2025	Gest	-2.92 days	99%
Sep 2025	Mort	-0.47	99%
May 2025	Mort	-0.45	99%
Sep 2025	Maternal Calving Difficulty	4.77%	96%
May 2025	Maternal Calving Difficulty	4.75%	96%

2,344 total progeny records from 449 dairy contemporary groups

( 26,015 herdmate records from 449 dairy contemporary groups)

104 progeny ( 1,213 herdmates) born to heifers
724 progeny ( 6,790 herdmates) born to 2nd parity dam
1,516 progeny ( 18,012 herdmates) born to ≥3rd parity dam
48.9% progeny (49.1% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 83.0%, FR: 14.0%, JE: 1.0%, NR: 0.3%, OTHER: 0.5%	HO: 81.2%, FR: 14.9%, JE: 1.5%, NR: 0.3%, OTHER: 0.7%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.7% 2.7%	6.6% 2.7% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	763 Days 1143 Days 2112 Days	763 Days 1145 Days 2164 Days

125 total progeny records from 23 contemporary groups

( 1,480 herdmate records from 23 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 83.6%, FR: 14.2%, JE: 0.3%, NR: 0.1%, OTHER: 1.2%	HO: 83.1%, FR: 13.0%, JE: 0.8%, NR: 0.2%, OTHER: 1.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	16.8% 20.6% 20%	20% 20.2% 20%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.7kg 41.5kg	0kg 41.4kg 41.4kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	926 Days 1132 Days 2118 Days	769 Days 1144 Days 2128 Days

63 total progeny records from 14 contemporary groups

( 617 herdmate records from 14 contemporary groups)