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 7.6% 2.4%	96% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.7% 2.5%	96% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.5%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.3%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.3 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	41.3 kg	94%
Sep 2025	Gestation (Days between conception and birth)	-5.86 days	99%
May 2025	Gestation (Days between conception and birth)	-5.87 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.87	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.93	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.27%	97%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.24%	97%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.6% 2.4%	96% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.7% 2.5%	96% 98%
Sep 2025	Birth Size	20.5%	96%
May 2025	Birth Size	20.3%	96%
Sep 2025	Birth Weight	41.3 kg	94%
May 2025	Birth Weight	41.3 kg	94%
Sep 2025	Gest	-5.86 days	99%
May 2025	Gest	-5.87 days	99%
Sep 2025	Mort	-0.87	99%
May 2025	Mort	-0.93	99%
Sep 2025	Maternal Calving Difficulty	4.27%	97%
May 2025	Maternal Calving Difficulty	4.24%	97%

1,795 total progeny records from 304 dairy contemporary groups

( 19,730 herdmate records from 302 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 65.9%, FR: 27.3%, JE: 2.4%, NR: 0.8%, OTHER: 1.6%	HO: 63.8%, FR: 28.5%, JE: 3.7%, NR: 0.6%, OTHER: 1.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.7% 2.6% 2.6%	6.5% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	773 Days 1111 Days 2074 Days	746 Days 1116 Days 2133 Days

105 total progeny records from 21 contemporary groups

( 1,591 herdmate records from 21 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 63.0%, FR: 32.6%, JE: 0.6%, NR: 0.2%, OTHER: 1.2%	HO: 60.8%, FR: 32.6%, JE: 2.2%, NR: 1.1%, OTHER: 1.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 19.7% 20.3%	0% 20.6% 20.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.2kg 41.2kg	0kg 41kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1130 Days 2161 Days	0 Days 1119 Days 2190 Days

40 total progeny records from 9 contemporary groups

( 741 herdmate records from 9 contemporary groups)