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 7.1% 2.7%	92% ( 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 7.2% 2.7%	92% 97%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	22.9%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	23.1%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.3 kg	92%
May 2025	Birth Weight (Expected progeny birth weight)	41.4 kg	92%
Sep 2025	Gestation (Days between conception and birth)	-1.97 days	99%
May 2025	Gestation (Days between conception and birth)	-1.97 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.49	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.56	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.96%	94%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.91%	94%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.1% 2.7%	92% ( V High) 97% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.2% 2.7%	92% 97%
Sep 2025	Birth Size	22.9%	95%
May 2025	Birth Size	23.1%	95%
Sep 2025	Birth Weight	41.3 kg	92%
May 2025	Birth Weight	41.4 kg	92%
Sep 2025	Gest	-1.97 days	99%
May 2025	Gest	-1.97 days	99%
Sep 2025	Mort	-0.49	99%
May 2025	Mort	-0.56	99%
Sep 2025	Maternal Calving Difficulty	4.96%	94%
May 2025	Maternal Calving Difficulty	4.91%	94%

766 total progeny records from 193 dairy contemporary groups

( 10,264 herdmate records from 192 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.4%, FR: 18.9%, JE: 3.5%, NR: 0.6%, OTHER: 1.1%	HO: 69.0%, FR: 22.3%, JE: 3.1%, NR: 1.0%, OTHER: 1.7%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.6% 2.7% 2.7%	6.5% 2.7% 2.8%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	851 Days 1164 Days 2127 Days	768 Days 1147 Days 2155 Days

80 total progeny records from 14 contemporary groups

( 953 herdmate records from 14 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.3%, FR: 20.9%, JE: 3.4%, NR: 0.8%, OTHER: 0.1%	HO: 73.6%, FR: 17.9%, JE: 5.5%, NR: 0.5%, OTHER: 0.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20.5% 19.8% 19.6%	19% 19.9% 19.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41kg 38.3kg 40.7kg	40.4kg 40.6kg 40.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	744 Days 1107 Days 2118 Days	757 Days 1141 Days 2080 Days

21 total progeny records from 5 contemporary groups

( 319 herdmate records from 5 contemporary groups)