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 6.5% 2.8%	87% ( 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 6.5% 2.8%	86% 95%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.2%	78%
May 2025	Birth Size (Progeny expected to be born large or extra large)	17.7%	79%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.2 kg	86%
May 2025	Birth Weight (Expected progeny birth weight)	40.2 kg	86%
Sep 2025	Gestation (Days between conception and birth)	-4.96 days	99%
May 2025	Gestation (Days between conception and birth)	-4.97 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.06	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.06	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	6.60%	91%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	6.63%	91%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.8%	87% ( V High) 95% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.8%	86% 95%
Sep 2025	Birth Size	18.2%	78%
May 2025	Birth Size	17.7%	79%
Sep 2025	Birth Weight	40.2 kg	86%
May 2025	Birth Weight	40.2 kg	86%
Sep 2025	Gest	-4.96 days	99%
May 2025	Gest	-4.97 days	99%
Sep 2025	Mort	-0.06	99%
May 2025	Mort	-0.06	99%
Sep 2025	Maternal Calving Difficulty	6.60%	91%
May 2025	Maternal Calving Difficulty	6.63%	91%

654 total progeny records from 86 dairy contemporary groups

( 7,978 herdmate records from 84 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 52.6%, FR: 21.5%, JE: 21.7%, NR: 1.0%, OTHER: 1.4%	HO: 54.0%, FR: 22.5%, JE: 19.2%, NR: 1.0%, OTHER: 1.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6% 2.4% 2.4%	5.7% 2.4% 2.4%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	742 Days 1102 Days 2141 Days	737 Days 1111 Days 2173 Days

12 total progeny records from 2 contemporary groups

( 348 herdmate records from 2 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 62.5%, FR: 25.6%, JE: 10.6%, NR: 0.0%, OTHER: 0.3%	HO: 64.7%, FR: 21.3%, JE: 10.2%, NR: 0.5%, OTHER: 0.5%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 15.8% 19%	0% 19.5% 20%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 39.6kg 40.5kg	0kg 40.7kg 40.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1095 Days 1728 Days	0 Days 1122 Days 2069 Days

17 total progeny records from 2 contemporary groups

( 161 herdmate records from 2 contemporary groups)