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 5.1% 2.0%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.1% 2.0%	99% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	13.8%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	13.7%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	38.7 kg	98%
May 2025	Birth Weight (Expected progeny birth weight)	38.8 kg	98%
Sep 2025	Gestation (Days between conception and birth)	-4.64 days	99%
May 2025	Gestation (Days between conception and birth)	-4.66 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.01	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.03	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.37%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.29%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.1% 2.0%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.1% 2.0%	99% 99%
Sep 2025	Birth Size	13.8%	96%
May 2025	Birth Size	13.7%	96%
Sep 2025	Birth Weight	38.7 kg	98%
May 2025	Birth Weight	38.8 kg	98%
Sep 2025	Gest	-4.64 days	99%
May 2025	Gest	-4.66 days	99%
Sep 2025	Mort	0.01	99%
May 2025	Mort	-0.03	99%
Sep 2025	Maternal Calving Difficulty	4.37%	98%
May 2025	Maternal Calving Difficulty	4.29%	98%

4,786 total progeny records from 988 dairy contemporary groups

( 66,160 herdmate records from 979 dairy contemporary groups)

1,741 progeny ( 9,641 herdmates) born to heifers
999 progeny ( 14,283 herdmates) born to 2nd parity dam
2,046 progeny ( 42,236 herdmates) born to ≥3rd parity dam
53.8% progeny (50.4% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 68.0%, FR: 21.4%, JE: 7.8%, NR: 0.6%, OTHER: 0.8%	HO: 66.1%, FR: 21.8%, JE: 8.3%, NR: 0.8%, OTHER: 1.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.5% 2.5%	6.2% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	732 Days 1107 Days 2049 Days	738 Days 1114 Days 2168 Days

296 total progeny records from 75 contemporary groups

( 4,949 herdmate records from 75 contemporary groups)

97 progeny ( 1,063 herdmates) born to heifers
75 progeny ( 1,213 herdmates) born to 2nd parity dam
124 progeny ( 2,673 herdmates) born to ≥3rd parity dam
58.4% progeny (46.8% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.4%, FR: 22.5%, JE: 7.1%, NR: 0.7%, OTHER: 0.9%	HO: 67.4%, FR: 21.3%, JE: 7.7%, NR: 0.6%, OTHER: 1.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.9% 18.2% 18.9%	17.8% 18.1% 18.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.8kg 40.9kg 40.3kg	40.4kg 40.5kg 40.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	735 Days 1102 Days 2085 Days	743 Days 1109 Days 2194 Days

234 total progeny records from 37 contemporary groups

( 3,526 herdmate records from 37 contemporary groups)