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 7.4% 2.9%	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	Moderate 7.4% 2.9%	95% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.1%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.2%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.1 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	41.1 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-1.72 days	99%
May 2025	Gestation (Days between conception and birth)	-1.71 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.17	99%
May 2025	Mortality (Calves dead at or soon after birth)	0.09	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.12%	96%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.07%	96%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.4% 2.9%	95% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.4% 2.9%	95% 98%
Sep 2025	Birth Size	20.1%	96%
May 2025	Birth Size	20.2%	96%
Sep 2025	Birth Weight	41.1 kg	95%
May 2025	Birth Weight	41.1 kg	95%
Sep 2025	Gest	-1.72 days	99%
May 2025	Gest	-1.71 days	99%
Sep 2025	Mort	0.17	99%
May 2025	Mort	0.09	99%
Sep 2025	Maternal Calving Difficulty	5.12%	96%
May 2025	Maternal Calving Difficulty	5.07%	96%

1,514 total progeny records from 324 dairy contemporary groups

( 24,031 herdmate records from 323 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 61.2%, FR: 29.1%, JE: 4.7%, NR: 0.9%, OTHER: 1.9%	HO: 63.3%, FR: 25.5%, JE: 6.4%, NR: 1.1%, OTHER: 1.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.6% 2.5% 2.6%	6.1% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	806 Days 1130 Days 2161 Days	744 Days 1119 Days 2151 Days

123 total progeny records from 23 contemporary groups

( 1,668 herdmate records from 23 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 58.6%, FR: 34.4%, JE: 2.8%, NR: 0.4%, OTHER: 0.6%	HO: 55.5%, FR: 31.9%, JE: 8.2%, NR: 0.7%, OTHER: 1.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20% 20.7% 19.9%	18.9% 19.1% 18.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.2kg 39.9kg	0kg 40.2kg 40.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	735 Days 1155 Days 2225 Days	737 Days 1124 Days 2245 Days

40 total progeny records from 10 contemporary groups

( 872 herdmate records from 10 contemporary groups)