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 5.9% 2.1%	84% ( V High) 95% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.1%	84% 95%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.4%	71%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.5%	71%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.6 kg	83%
May 2025	Birth Weight (Expected progeny birth weight)	39.8 kg	82%
Sep 2025	Gestation (Days between conception and birth)	-3.58 days	98%
May 2025	Gestation (Days between conception and birth)	-3.56 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.45	98%
May 2025	Mortality (Calves dead at or soon after birth)	0.39	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.55%	88%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.54%	88%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.1%	84% ( V High) 95% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.1%	84% 95%
Sep 2025	Birth Size	18.4%	71%
May 2025	Birth Size	18.5%	71%
Sep 2025	Birth Weight	39.6 kg	83%
May 2025	Birth Weight	39.8 kg	82%
Sep 2025	Gest	-3.58 days	98%
May 2025	Gest	-3.56 days	98%
Sep 2025	Mort	0.45	98%
May 2025	Mort	0.39	98%
Sep 2025	Maternal Calving Difficulty	4.55%	88%
May 2025	Maternal Calving Difficulty	4.54%	88%

406 total progeny records from 42 dairy contemporary groups

( 6,194 herdmate records from 41 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 49.7%, FR: 17.1%, JE: 27.3%, NR: 2.0%, OTHER: 1.4%	HO: 53.8%, FR: 18.2%, JE: 24.0%, NR: 1.4%, OTHER: 0.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.4% 2.3% 2.3%	5.5% 2.3% 2.3%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	725 Days 1096 Days 2135 Days	731 Days 1107 Days 2179 Days

2 total progeny records from 2 contemporary groups

( 97 herdmate records from 2 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 49.3%, FR: 17.0%, JE: 27.9%, NR: 1.8%, OTHER: 2.5%	HO: 60.1%, FR: 16.9%, JE: 19.7%, NR: 0.9%, OTHER: 1.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	14.7% 0% 16.4%	19.4% 0% 20.5%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 39kg 38.3kg	0kg 39.6kg 39.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	705 Days 1084 Days 2188 Days	719 Days 1098 Days 2152 Days

12 total progeny records from 3 contemporary groups

( 418 herdmate records from 3 contemporary groups)