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 5.8% 2.3%	78% ( High) 93% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.3%	78% 92%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.0%	88%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.3%	86%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.6 kg	87%
May 2025	Birth Weight (Expected progeny birth weight)	40.7 kg	84%
Sep 2025	Gestation (Days between conception and birth)	-4.82 days	98%
May 2025	Gestation (Days between conception and birth)	-4.78 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	-1.09	98%
May 2025	Mortality (Calves dead at or soon after birth)	-1.05	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.03%	81%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.05%	81%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.3%	78% ( High) 93% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.3%	78% 92%
Sep 2025	Birth Size	19.0%	88%
May 2025	Birth Size	18.3%	86%
Sep 2025	Birth Weight	40.6 kg	87%
May 2025	Birth Weight	40.7 kg	84%
Sep 2025	Gest	-4.82 days	98%
May 2025	Gest	-4.78 days	98%
Sep 2025	Mort	-1.09	98%
May 2025	Mort	-1.05	98%
Sep 2025	Maternal Calving Difficulty	5.03%	81%
May 2025	Maternal Calving Difficulty	5.05%	81%

451 total progeny records from 116 dairy contemporary groups

( 12,891 herdmate records from 116 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 68.1%, FR: 26.0%, JE: 3.7%, NR: 0.4%, OTHER: 0.7%	HO: 65.7%, FR: 25.3%, JE: 6.1%, NR: 0.7%, OTHER: 0.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.5% 2.5%	6.1% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	749 Days 1108 Days 2069 Days	745 Days 1112 Days 2176 Days

28 total progeny records from 12 contemporary groups

( 890 herdmate records from 12 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.3%, FR: 26.8%, JE: 2.2%, NR: 0.1%, OTHER: 0.3%	HO: 70.8%, FR: 24.2%, JE: 2.9%, NR: 0.4%, OTHER: 0.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	21.8% 17.8% 18.8%	17.7% 18.1% 18.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.6kg 41.8kg	0kg 41kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	779 Days 1094 Days 1994 Days	739 Days 1105 Days 2207 Days

21 total progeny records from 8 contemporary groups

( 1,019 herdmate records from 8 contemporary groups)