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 10.8% 5.0%	78% ( High) 91% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.8% 5.0%	78% 91%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	27.8%	80%
May 2025	Birth Size (Progeny expected to be born large or extra large)	27.5%	80%
Sep 2025	Birth Weight (Expected progeny birth weight)	44.0 kg	69%
May 2025	Birth Weight (Expected progeny birth weight)	44.0 kg	69%
Sep 2025	Gestation (Days between conception and birth)	1.78 days	96%
May 2025	Gestation (Days between conception and birth)	1.80 days	96%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.19	96%
May 2025	Mortality (Calves dead at or soon after birth)	-0.31	96%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	2.93%	85%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	2.96%	85%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.8% 5.0%	78% ( High) 91% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.8% 5.0%	78% 91%
Sep 2025	Birth Size	27.8%	80%
May 2025	Birth Size	27.5%	80%
Sep 2025	Birth Weight	44.0 kg	69%
May 2025	Birth Weight	44.0 kg	69%
Sep 2025	Gest	1.78 days	96%
May 2025	Gest	1.80 days	96%
Sep 2025	Mort	-0.19	96%
May 2025	Mort	-0.31	96%
Sep 2025	Maternal Calving Difficulty	2.93%	85%
May 2025	Maternal Calving Difficulty	2.96%	85%

285 total progeny records from 72 dairy contemporary groups

( 2,592 herdmate records from 70 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 13.8%, FR: 6.3%, JE: 0.0%, NR: 0.1%, OTHER: 75.7%	HO: 27.0%, FR: 14.7%, JE: 0.3%, NR: 0.2%, OTHER: 54.6%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	10.3% 4% 3.8%	9.2% 3.5% 3.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	927 Days 1205 Days 2296 Days	839 Days 1150 Days 2231 Days

11 total progeny records from 3 contemporary groups

( 130 herdmate records from 3 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 2.5%, FR: 1.0%, JE: 0.0%, NR: 0.0%, OTHER: 96.3%	HO: 5.5%, FR: 3.7%, JE: 0.0%, NR: 0.4%, OTHER: 84.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 23.8% 26.4%	0% 24.4% 26.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 42.4kg 42.5kg	0kg 43.1kg 43.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1312 Days 2086 Days	0 Days 1154 Days 2385 Days

4 total progeny records from 3 contemporary groups

( 69 herdmate records from 2 contemporary groups)