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 10.0% 3.9%	66% ( High) 92% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.2% 4.0%	64% 91%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	32.5%	89%
May 2025	Birth Size (Progeny expected to be born large or extra large)	32.9%	89%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.5 kg	85%
May 2025	Birth Weight (Expected progeny birth weight)	42.7 kg	86%
Sep 2025	Gestation (Days between conception and birth)	-3.59 days	98%
May 2025	Gestation (Days between conception and birth)	-3.56 days	97%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.06	98%
May 2025	Mortality (Calves dead at or soon after birth)	-0.03	97%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.38%	80%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.35%	79%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.0% 3.9%	66% ( High) 92% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.2% 4.0%	64% 91%
Sep 2025	Birth Size	32.5%	89%
May 2025	Birth Size	32.9%	89%
Sep 2025	Birth Weight	42.5 kg	85%
May 2025	Birth Weight	42.7 kg	86%
Sep 2025	Gest	-3.59 days	98%
May 2025	Gest	-3.56 days	97%
Sep 2025	Mort	0.06	98%
May 2025	Mort	-0.03	97%
Sep 2025	Maternal Calving Difficulty	5.38%	80%
May 2025	Maternal Calving Difficulty	5.35%	79%

357 total progeny records from 80 dairy contemporary groups

( 10,091 herdmate records from 80 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 68.8%, FR: 23.6%, JE: 4.8%, NR: 0.7%, OTHER: 1.1%	HO: 66.2%, FR: 23.3%, JE: 7.6%, NR: 0.7%, OTHER: 1.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6% 2.5% 2.5%	6.1% 2.5% 2.4%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	736 Days 1101 Days 2265 Days	744 Days 1112 Days 2207 Days

34 total progeny records from 9 contemporary groups

( 1,183 herdmate records from 9 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.2%, FR: 18.3%, JE: 6.7%, NR: 0.9%, OTHER: 0.8%	HO: 70.0%, FR: 19.9%, JE: 8.0%, NR: 0.8%, OTHER: 0.5%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 18.7% 17.4%	0% 18.2% 18.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 38.9kg 40.4kg	0kg 40kg 40.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1101 Days 2320 Days	0 Days 1111 Days 2138 Days

18 total progeny records from 6 contemporary groups

( 1,226 herdmate records from 6 contemporary groups)