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	High 9.4% 4.0%	45% ( Average) 79% ( High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.5% 4.0%	45% 79%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	29.4%	70%
May 2025	Birth Size (Progeny expected to be born large or extra large)	29.2%	69%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.6 kg	50%
May 2025	Birth Weight (Expected progeny birth weight)	42.7 kg	50%
Sep 2025	Gestation (Days between conception and birth)	-0.19 days	93%
May 2025	Gestation (Days between conception and birth)	-0.16 days	93%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.69	93%
May 2025	Mortality (Calves dead at or soon after birth)	-0.80	93%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.87%	62%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.85%	61%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.4% 4.0%	45% ( Average) 79% ( High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 9.5% 4.0%	45% 79%
Sep 2025	Birth Size	29.4%	70%
May 2025	Birth Size	29.2%	69%
Sep 2025	Birth Weight	42.6 kg	50%
May 2025	Birth Weight	42.7 kg	50%
Sep 2025	Gest	-0.19 days	93%
May 2025	Gest	-0.16 days	93%
Sep 2025	Mort	-0.69	93%
May 2025	Mort	-0.80	93%
Sep 2025	Maternal Calving Difficulty	3.87%	62%
May 2025	Maternal Calving Difficulty	3.85%	61%

107 total progeny records from 20 dairy contemporary groups

( 1,419 herdmate records from 20 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 33.4%, FR: 11.6%, JE: 3.7%, NR: 0.5%, OTHER: 48.8%	HO: 41.7%, FR: 14.3%, JE: 1.8%, NR: 1.0%, OTHER: 38.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	10.4% 3.3% 3.4%	9.2% 3.2% 3.2%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	1111 Days 1132 Days 2183 Days	757 Days 1127 Days 2260 Days

6 total progeny records from 4 contemporary groups

( 265 herdmate records from 4 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 17.7%, FR: 5.2%, JE: 0.0%, NR: 0.0%, OTHER: 75.0%	HO: 39.3%, FR: 13.6%, JE: 0.1%, NR: 0.2%, OTHER: 44.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 35.8% 26.6%	0% 24.7% 24.5%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 43.7kg 0kg	0kg 44.4kg 0kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1136 Days 2550 Days	0 Days 1162 Days 2365 Days

1 total progeny records from 1 contemporary groups

( 12 herdmate records from 1 contemporary groups)