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%	93% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.4%	93% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	16.4%	94%
May 2025	Birth Size (Progeny expected to be born large or extra large)	16.2%	94%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	92%
May 2025	Birth Weight (Expected progeny birth weight)	41.3 kg	92%
Sep 2025	Gestation (Days between conception and birth)	-1.83 days	99%
May 2025	Gestation (Days between conception and birth)	-1.83 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.50	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.54	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.62%	97%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.55%	96%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.3%	93% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.4%	93% 98%
Sep 2025	Birth Size	16.4%	94%
May 2025	Birth Size	16.2%	94%
Sep 2025	Birth Weight	41.2 kg	92%
May 2025	Birth Weight	41.3 kg	92%
Sep 2025	Gest	-1.83 days	99%
May 2025	Gest	-1.83 days	99%
Sep 2025	Mort	-0.50	99%
May 2025	Mort	-0.54	99%
Sep 2025	Maternal Calving Difficulty	5.62%	97%
May 2025	Maternal Calving Difficulty	5.55%	96%

1,959 total progeny records from 364 dairy contemporary groups

( 25,792 herdmate records from 361 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.0%, FR: 24.7%, JE: 3.6%, NR: 1.2%, OTHER: 2.2%	HO: 65.7%, FR: 24.7%, JE: 4.2%, NR: 1.1%, OTHER: 2.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.1% 2.6% 2.6%	6.2% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	735 Days 1120 Days 2188 Days	735 Days 1121 Days 2179 Days

51 total progeny records from 12 contemporary groups

( 638 herdmate records from 12 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 65.6%, FR: 28.8%, JE: 3.3%, NR: 0.3%, OTHER: 0.5%	HO: 65.7%, FR: 28.6%, JE: 3.3%, NR: 0.4%, OTHER: 0.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20.7% 18.3% 19.5%	19.1% 19% 19.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41kg 41kg	0kg 41.5kg 41.3kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	745 Days 1100 Days 1939 Days	729 Days 1126 Days 2178 Days

29 total progeny records from 5 contemporary groups

( 247 herdmate records from 5 contemporary groups)