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	Moderate 8.8% 3.3%	88% ( V High) 93% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.0% 3.3%	88% 92%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	27.7%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	27.6%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.3 kg	93%
May 2025	Birth Weight (Expected progeny birth weight)	42.4 kg	93%
Sep 2025	Gestation (Days between conception and birth)	0.23 days	98%
May 2025	Gestation (Days between conception and birth)	0.30 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.78	98%
May 2025	Mortality (Calves dead at or soon after birth)	-0.76	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.22%	80%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.01%	77%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.8% 3.3%	88% ( V High) 93% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.0% 3.3%	88% 92%
Sep 2025	Birth Size	27.7%	97%
May 2025	Birth Size	27.6%	97%
Sep 2025	Birth Weight	42.3 kg	93%
May 2025	Birth Weight	42.4 kg	93%
Sep 2025	Gest	0.23 days	98%
May 2025	Gest	0.30 days	98%
Sep 2025	Mort	-0.78	98%
May 2025	Mort	-0.76	98%
Sep 2025	Maternal Calving Difficulty	3.22%	80%
May 2025	Maternal Calving Difficulty	3.01%	77%

498 total progeny records from 104 dairy contemporary groups

( 3,948 herdmate records from 103 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 39.3%, FR: 11.1%, JE: 3.4%, NR: 1.2%, OTHER: 5.0%	HO: 48.7%, FR: 15.6%, JE: 2.9%, NR: 1.2%, OTHER: 8.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	9% 3.3% 2.9%	8.3% 3.1% 2.8%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	759 Days 1148 Days 2003 Days	774 Days 1146 Days 2240 Days

194 total progeny records from 33 contemporary groups

( 1,519 herdmate records from 32 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 28.5%, FR: 6.5%, JE: 5.8%, NR: 0.4%, OTHER: 4.4%	HO: 36.1%, FR: 9.2%, JE: 3.0%, NR: 0.6%, OTHER: 10.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	23.7% 24.2% 22%	22.9% 23% 21.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	42.5kg 41.8kg 40.9kg	42.2kg 41.8kg 41.3kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	746 Days 1161 Days 1890 Days	786 Days 1166 Days 2096 Days

74 total progeny records from 7 contemporary groups

( 556 herdmate records from 7 contemporary groups)