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 6.7% 2.6%	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 6.8% 2.6%	91% 97%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.8%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.8%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.8 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	39.9 kg	94%
Sep 2025	Gestation (Days between conception and birth)	-4.32 days	99%
May 2025	Gestation (Days between conception and birth)	-4.32 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.22	99%
May 2025	Mortality (Calves dead at or soon after birth)	0.19	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.77%	94%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.67%	94%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.7% 2.6%	92% ( V High) 97% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.8% 2.6%	91% 97%
Sep 2025	Birth Size	19.8%	95%
May 2025	Birth Size	19.8%	95%
Sep 2025	Birth Weight	39.8 kg	94%
May 2025	Birth Weight	39.9 kg	94%
Sep 2025	Gest	-4.32 days	99%
May 2025	Gest	-4.32 days	99%
Sep 2025	Mort	0.22	99%
May 2025	Mort	0.19	99%
Sep 2025	Maternal Calving Difficulty	4.77%	94%
May 2025	Maternal Calving Difficulty	4.67%	94%

1,336 total progeny records from 268 dairy contemporary groups

( 26,059 herdmate records from 266 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 63.9%, FR: 25.4%, JE: 8.1%, NR: 0.7%, OTHER: 0.9%	HO: 64.0%, FR: 25.7%, JE: 7.2%, NR: 0.8%, OTHER: 1.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6% 2.5% 2.5%	5.8% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	767 Days 1097 Days 2090 Days	735 Days 1106 Days 2169 Days

109 total progeny records from 33 contemporary groups

( 3,070 herdmate records from 33 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.0%, FR: 19.3%, JE: 11.8%, NR: 0.2%, OTHER: 1.0%	HO: 69.2%, FR: 20.0%, JE: 8.2%, NR: 0.5%, OTHER: 1.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.3% 16.9% 18.9%	18.1% 18% 18.5%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.1kg 39.6kg	0kg 40.2kg 40.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	703 Days 1102 Days 2077 Days	733 Days 1109 Days 2141 Days

89 total progeny records from 14 contemporary groups

( 1,904 herdmate records from 14 contemporary groups)