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% 2.9%	89% ( V High) 97% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.9% 2.9%	89% 95%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	21.7%	93%
May 2025	Birth Size (Progeny expected to be born large or extra large)	21.3%	93%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.5 kg	90%
May 2025	Birth Weight (Expected progeny birth weight)	42.4 kg	90%
Sep 2025	Gestation (Days between conception and birth)	-4.31 days	99%
May 2025	Gestation (Days between conception and birth)	-4.36 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.34	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.38	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.85%	90%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.70%	89%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.0% 2.9%	89% ( V High) 97% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.9% 2.9%	89% 95%
Sep 2025	Birth Size	21.7%	93%
May 2025	Birth Size	21.3%	93%
Sep 2025	Birth Weight	42.5 kg	90%
May 2025	Birth Weight	42.4 kg	90%
Sep 2025	Gest	-4.31 days	99%
May 2025	Gest	-4.36 days	99%
Sep 2025	Mort	-0.34	99%
May 2025	Mort	-0.38	99%
Sep 2025	Maternal Calving Difficulty	4.85%	90%
May 2025	Maternal Calving Difficulty	4.70%	89%

676 total progeny records from 166 dairy contemporary groups

( 8,199 herdmate records from 163 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 85.4%, FR: 11.4%, JE: 0.6%, NR: 0.2%, OTHER: 0.7%	HO: 85.5%, FR: 11.1%, JE: 0.6%, NR: 0.1%, OTHER: 0.7%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.7% 2.9% 2.8%	6.8% 2.8% 2.8%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	751 Days 1161 Days 2036 Days	756 Days 1152 Days 2182 Days

67 total progeny records from 18 contemporary groups

( 1,097 herdmate records from 18 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 80.7%, FR: 13.7%, JE: 0.1%, NR: 0.0%, OTHER: 0.7%	HO: 81.2%, FR: 12.1%, JE: 0.3%, NR: 0.4%, OTHER: 0.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 19.6% 20.2%	0% 20.4% 19.6%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.1kg 41.7kg 41.3kg	41.5kg 41.5kg 41.4kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	742 Days 1130 Days 2035 Days	754 Days 1141 Days 2157 Days

47 total progeny records from 9 contemporary groups

( 553 herdmate records from 9 contemporary groups)