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	Moderate 8.0% 2.9%	97% ( V High) 99% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.0% 2.9%	97% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	23.9%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	24.0%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	43.0 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	43.1 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-4.03 days	99%
May 2025	Gestation (Days between conception and birth)	-4.04 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.10	99%
May 2025	Mortality (Calves dead at or soon after birth)	0.04	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.02%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.93%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.0% 2.9%	97% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.0% 2.9%	97% 99%
Sep 2025	Birth Size	23.9%	96%
May 2025	Birth Size	24.0%	96%
Sep 2025	Birth Weight	43.0 kg	95%
May 2025	Birth Weight	43.1 kg	95%
Sep 2025	Gest	-4.03 days	99%
May 2025	Gest	-4.04 days	99%
Sep 2025	Mort	0.10	99%
May 2025	Mort	0.04	99%
Sep 2025	Maternal Calving Difficulty	5.02%	98%
May 2025	Maternal Calving Difficulty	4.93%	98%

2,436 total progeny records from 607 dairy contemporary groups

( 33,919 herdmate records from 604 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 62.9%, FR: 27.6%, JE: 4.3%, NR: 0.9%, OTHER: 1.8%	HO: 62.1%, FR: 26.8%, JE: 5.1%, NR: 1.0%, OTHER: 2.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.5% 2.6% 2.7%	6.6% 2.6% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	754 Days 1126 Days 2081 Days	758 Days 1128 Days 2132 Days

83 total progeny records from 23 contemporary groups

( 1,461 herdmate records from 23 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.7%, FR: 23.9%, JE: 0.7%, NR: 1.2%, OTHER: 1.4%	HO: 65.9%, FR: 25.9%, JE: 3.6%, NR: 1.2%, OTHER: 1.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.7% 18.6% 20.1%	19.3% 20.1% 20.6%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.3kg 40.6kg 40.9kg	40.8kg 40.9kg 41kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	810 Days 1130 Days 2021 Days	740 Days 1123 Days 2111 Days

75 total progeny records from 13 contemporary groups

( 980 herdmate records from 13 contemporary groups)