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 5.6% 2.6%	96% ( V High) 97% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.6%	96% 97%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.9%	91%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.0%	91%
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)	-3.50 days	99%
May 2025	Gestation (Days between conception and birth)	-3.50 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.20	99%
May 2025	Mortality (Calves dead at or soon after birth)	0.13	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.45%	93%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.39%	93%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.6%	96% ( V High) 97% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.6%	96% 97%
Sep 2025	Birth Size	18.9%	91%
May 2025	Birth Size	19.0%	91%
Sep 2025	Birth Weight	41.3 kg	94%
May 2025	Birth Weight	41.3 kg	94%
Sep 2025	Gest	-3.50 days	99%
May 2025	Gest	-3.50 days	99%
Sep 2025	Mort	0.20	99%
May 2025	Mort	0.13	99%
Sep 2025	Maternal Calving Difficulty	4.45%	93%
May 2025	Maternal Calving Difficulty	4.39%	93%

817 total progeny records from 198 dairy contemporary groups

( 10,163 herdmate records from 198 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.4%, FR: 27.3%, JE: 2.1%, NR: 0.9%, OTHER: 1.5%	HO: 65.7%, FR: 28.1%, JE: 2.3%, NR: 0.7%, OTHER: 1.3%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.5% 2.6% 2.7%	6.5% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	736 Days 1105 Days 2092 Days	740 Days 1116 Days 2169 Days

29 total progeny records from 9 contemporary groups

( 437 herdmate records from 9 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.3%, FR: 21.2%, JE: 3.0%, NR: 3.0%, OTHER: 1.3%	HO: 64.0%, FR: 25.9%, JE: 4.7%, NR: 1.5%, OTHER: 1.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19% 20.6% 18.8%	18.7% 18.7% 18.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	42kg 40kg 40.7kg	40.7kg 40.6kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	737 Days 1134 Days 2169 Days	747 Days 1111 Days 2215 Days

47 total progeny records from 10 contemporary groups

( 911 herdmate records from 10 contemporary groups)