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 7.7% 3.1%	95% ( 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 7.8% 3.1%	95% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.9%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.1%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.7 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	41.8 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-4.31 days	99%
May 2025	Gestation (Days between conception and birth)	-4.32 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.56	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.63	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	6.04%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.96%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.7% 3.1%	95% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.8% 3.1%	95% 99%
Sep 2025	Birth Size	19.9%	97%
May 2025	Birth Size	20.1%	97%
Sep 2025	Birth Weight	41.7 kg	95%
May 2025	Birth Weight	41.8 kg	95%
Sep 2025	Gest	-4.31 days	99%
May 2025	Gest	-4.32 days	99%
Sep 2025	Mort	-0.56	99%
May 2025	Mort	-0.63	99%
Sep 2025	Maternal Calving Difficulty	6.04%	98%
May 2025	Maternal Calving Difficulty	5.96%	98%

2,522 total progeny records from 508 dairy contemporary groups

( 27,503 herdmate records from 504 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 55.8%, FR: 39.3%, JE: 0.9%, NR: 0.7%, OTHER: 0.9%	HO: 57.1%, FR: 36.4%, JE: 1.7%, NR: 0.6%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.9% 2.7% 2.8%	7% 2.7% 2.8%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	843 Days 1137 Days 2175 Days	795 Days 1132 Days 2226 Days

158 total progeny records from 32 contemporary groups

( 2,346 herdmate records from 32 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 52.3%, FR: 43.7%, JE: 0.5%, NR: 0.6%, OTHER: 0.9%	HO: 56.8%, FR: 38.7%, JE: 0.8%, NR: 0.4%, OTHER: 1.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	21.7% 20.7% 20.8%	20.3% 19.9% 20.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41kg 41.3kg	0kg 41.3kg 41.4kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	759 Days 1115 Days 2225 Days	740 Days 1113 Days 2258 Days

101 total progeny records from 23 contemporary groups

( 1,867 herdmate records from 23 contemporary groups)