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 7.0% 2.6%	95% ( 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 7.0% 2.7%	95% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.0%	94%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.1%	94%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.3 kg	93%
May 2025	Birth Weight (Expected progeny birth weight)	40.5 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-4.71 days	99%
May 2025	Gestation (Days between conception and birth)	-4.72 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.09	99%
May 2025	Mortality (Calves dead at or soon after birth)	0.04	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.55%	96%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.51%	96%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.0% 2.6%	95% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.0% 2.7%	95% 98%
Sep 2025	Birth Size	19.0%	94%
May 2025	Birth Size	19.1%	94%
Sep 2025	Birth Weight	40.3 kg	93%
May 2025	Birth Weight	40.5 kg	96%
Sep 2025	Gest	-4.71 days	99%
May 2025	Gest	-4.72 days	99%
Sep 2025	Mort	0.09	99%
May 2025	Mort	0.04	99%
Sep 2025	Maternal Calving Difficulty	4.55%	96%
May 2025	Maternal Calving Difficulty	4.51%	96%

1,495 total progeny records from 322 dairy contemporary groups

( 22,498 herdmate records from 319 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.8%, FR: 18.8%, JE: 9.8%, NR: 0.9%, OTHER: 1.4%	HO: 69.0%, FR: 19.6%, JE: 6.6%, NR: 1.1%, OTHER: 1.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.5% 2.6%	6.4% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	788 Days 1125 Days 2077 Days	749 Days 1126 Days 2101 Days

68 total progeny records from 17 contemporary groups

( 1,253 herdmate records from 17 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 62.3%, FR: 18.1%, JE: 15.0%, NR: 1.7%, OTHER: 1.1%	HO: 66.4%, FR: 20.1%, JE: 6.6%, NR: 1.8%, OTHER: 1.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	13% 17.6% 16.7%	17.9% 18.5% 19%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41kg 41.2kg	0kg 40.8kg 41kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	765 Days 1119 Days 2008 Days	742 Days 1120 Days 2068 Days

50 total progeny records from 9 contemporary groups

( 622 herdmate records from 9 contemporary groups)