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 5.5% 2.3%	74% ( High) 89% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.3%	74% 88%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.3%	83%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.1%	82%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	78%
May 2025	Birth Weight (Expected progeny birth weight)	41.0 kg	78%
Sep 2025	Gestation (Days between conception and birth)	-5.57 days	96%
May 2025	Gestation (Days between conception and birth)	-5.54 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)	-0.03	96%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.83%	75%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.80%	74%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.3%	74% ( High) 89% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.3%	74% 88%
Sep 2025	Birth Size	18.3%	83%
May 2025	Birth Size	18.1%	82%
Sep 2025	Birth Weight	40.8 kg	78%
May 2025	Birth Weight	41.0 kg	78%
Sep 2025	Gest	-5.57 days	96%
May 2025	Gest	-5.54 days	96%
Sep 2025	Mort	0.19	96%
May 2025	Mort	-0.03	96%
Sep 2025	Maternal Calving Difficulty	4.83%	75%
May 2025	Maternal Calving Difficulty	4.80%	74%

159 total progeny records from 50 dairy contemporary groups

( 5,999 herdmate records from 50 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 76.1%, FR: 19.0%, JE: 3.4%, NR: 0.1%, OTHER: 0.3%	HO: 72.7%, FR: 19.1%, JE: 6.1%, NR: 0.4%, OTHER: 0.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.7% 2.5% 2.4%	6% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	736 Days 1110 Days 2221 Days	749 Days 1120 Days 2243 Days

17 total progeny records from 6 contemporary groups

( 562 herdmate records from 6 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.3%, FR: 28.8%, JE: 1.0%, NR: 0.1%, OTHER: 0.4%	HO: 71.9%, FR: 25.3%, JE: 1.0%, NR: 0.3%, OTHER: 0.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 19.3% 19.4%	0% 18.8% 19.6%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.6kg 40kg	0kg 41.2kg 41kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1101 Days 2211 Days	0 Days 1106 Days 2163 Days

7 total progeny records from 3 contemporary groups

( 511 herdmate records from 3 contemporary groups)