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 7.0% 2.7%	96% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.0% 2.7%	96% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	21.1%	93%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.9%	93%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.5 kg	88%
May 2025	Birth Weight (Expected progeny birth weight)	41.7 kg	88%
Sep 2025	Gestation (Days between conception and birth)	-3.76 days	99%
May 2025	Gestation (Days between conception and birth)	-3.77 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.44	99%
May 2025	Mortality (Calves dead at or soon after birth)	0.45	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.04%	95%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.05%	95%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.0% 2.7%	96% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.0% 2.7%	96% 98%
Sep 2025	Birth Size	21.1%	93%
May 2025	Birth Size	20.9%	93%
Sep 2025	Birth Weight	41.5 kg	88%
May 2025	Birth Weight	41.7 kg	88%
Sep 2025	Gest	-3.76 days	99%
May 2025	Gest	-3.77 days	99%
Sep 2025	Mort	0.44	99%
May 2025	Mort	0.45	99%
Sep 2025	Maternal Calving Difficulty	5.04%	95%
May 2025	Maternal Calving Difficulty	5.05%	95%

1,326 total progeny records from 393 dairy contemporary groups

( 11,347 herdmate records from 387 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 83.4%, FR: 12.6%, JE: 1.2%, NR: 0.2%, OTHER: 1.3%	HO: 81.1%, FR: 14.5%, JE: 1.6%, NR: 0.1%, OTHER: 1.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.3% 3% 3%	7.1% 2.9% 2.9%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	793 Days 1179 Days 2194 Days	787 Days 1174 Days 2178 Days

48 total progeny records from 24 contemporary groups

( 989 herdmate records from 23 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 90.6%, FR: 7.0%, JE: 0.0%, NR: 0.1%, OTHER: 0.3%	HO: 84.8%, FR: 8.7%, JE: 0.8%, NR: 0.3%, OTHER: 1.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	21.6% 21.5% 20.7%	20.7% 20.5% 20.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 42.2kg 42.2kg	0kg 42.3kg 42kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	779 Days 1251 Days 2113 Days	772 Days 1175 Days 2261 Days

15 total progeny records from 8 contemporary groups

( 301 herdmate records from 8 contemporary groups)