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	High 10.4% 3.4%	96% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.4% 3.4%	96% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	27.3%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	27.6%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.8 kg	96%
May 2025	Birth Weight (Expected progeny birth weight)	41.8 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-2.63 days	99%
May 2025	Gestation (Days between conception and birth)	-2.63 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.20	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.26	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.71%	97%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.65%	97%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.4% 3.4%	96% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.4% 3.4%	96% 99%
Sep 2025	Birth Size	27.3%	97%
May 2025	Birth Size	27.6%	97%
Sep 2025	Birth Weight	41.8 kg	96%
May 2025	Birth Weight	41.8 kg	96%
Sep 2025	Gest	-2.63 days	99%
May 2025	Gest	-2.63 days	99%
Sep 2025	Mort	-0.20	99%
May 2025	Mort	-0.26	99%
Sep 2025	Maternal Calving Difficulty	4.71%	97%
May 2025	Maternal Calving Difficulty	4.65%	97%

1,920 total progeny records from 467 dairy contemporary groups

( 18,004 herdmate records from 462 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 81.4%, FR: 15.4%, JE: 0.2%, NR: 0.0%, OTHER: 1.2%	HO: 78.4%, FR: 16.1%, JE: 0.7%, NR: 0.2%, OTHER: 2.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7% 2.9% 2.9%	7% 2.9% 2.9%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	796 Days 1188 Days 2206 Days	775 Days 1171 Days 2192 Days

138 total progeny records from 24 contemporary groups

( 889 herdmate records from 24 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.5%, FR: 23.2%, JE: 0.3%, NR: 0.0%, OTHER: 1.2%	HO: 69.1%, FR: 24.8%, JE: 0.4%, NR: 0.2%, OTHER: 1.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	23.8% 20.6% 20.2%	20.3% 19.8% 20.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	42.3kg 41.7kg 41.7kg	41.5kg 41.6kg 41.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	893 Days 1241 Days 2301 Days	785 Days 1182 Days 2202 Days

71 total progeny records from 18 contemporary groups

( 1,076 herdmate records from 18 contemporary groups)