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 6.2% 2.4%	94% ( 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 6.1% 2.4%	93% 97%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.4%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.4%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.7 kg	93%
May 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	93%
Sep 2025	Gestation (Days between conception and birth)	-4.72 days	99%
May 2025	Gestation (Days between conception and birth)	-4.71 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.63	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.64	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.28%	94%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.27%	94%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.4%	94% ( V High) 97% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.1% 2.4%	93% 97%
Sep 2025	Birth Size	18.4%	96%
May 2025	Birth Size	18.4%	96%
Sep 2025	Birth Weight	40.7 kg	93%
May 2025	Birth Weight	40.8 kg	93%
Sep 2025	Gest	-4.72 days	99%
May 2025	Gest	-4.71 days	99%
Sep 2025	Mort	-0.63	99%
May 2025	Mort	-0.64	99%
Sep 2025	Maternal Calving Difficulty	4.28%	94%
May 2025	Maternal Calving Difficulty	4.27%	94%

1,349 total progeny records from 335 dairy contemporary groups

( 28,676 herdmate records from 335 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.4%, FR: 21.6%, JE: 5.1%, NR: 0.6%, OTHER: 0.7%	HO: 69.7%, FR: 21.0%, JE: 5.9%, NR: 0.7%, OTHER: 0.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.6% 2.6%	6.2% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	755 Days 1114 Days 2093 Days	738 Days 1117 Days 2158 Days

120 total progeny records from 32 contemporary groups

( 2,751 herdmate records from 32 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.3%, FR: 21.4%, JE: 1.3%, NR: 1.1%, OTHER: 1.0%	HO: 73.4%, FR: 19.7%, JE: 2.4%, NR: 0.6%, OTHER: 1.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	21.7% 19.2% 19%	18.5% 18.8% 18.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.4kg 41.2kg	0kg 41kg 41kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	727 Days 1112 Days 2104 Days	737 Days 1122 Days 2195 Days

77 total progeny records from 16 contemporary groups

( 1,548 herdmate records from 16 contemporary groups)