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%	98% ( 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 6.3% 2.4%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.2%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	17.0%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.7 kg	89%
May 2025	Birth Weight (Expected progeny birth weight)	39.9 kg	89%
Sep 2025	Gestation (Days between conception and birth)	-4.62 days	99%
May 2025	Gestation (Days between conception and birth)	-4.64 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.55	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)	5.46%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.43%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.4%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.3% 2.4%	98% 99%
Sep 2025	Birth Size	17.2%	95%
May 2025	Birth Size	17.0%	95%
Sep 2025	Birth Weight	39.7 kg	89%
May 2025	Birth Weight	39.9 kg	89%
Sep 2025	Gest	-4.62 days	99%
May 2025	Gest	-4.64 days	99%
Sep 2025	Mort	-0.55	99%
May 2025	Mort	-0.64	99%
Sep 2025	Maternal Calving Difficulty	5.46%	99%
May 2025	Maternal Calving Difficulty	5.43%	99%

3,391 total progeny records from 1,009 dairy contemporary groups

( 29,260 herdmate records from 991 dairy contemporary groups)

358 progeny ( 1,995 herdmates) born to heifers
812 progeny ( 7,388 herdmates) born to 2nd parity dam
2,221 progeny ( 19,877 herdmates) born to ≥3rd parity dam
51.8% progeny (50.4% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 57.6%, FR: 33.9%, JE: 0.5%, NR: 0.2%, OTHER: 1.9%	HO: 54.4%, FR: 36.8%, JE: 0.8%, NR: 0.4%, OTHER: 2.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	8% 3.2% 3.2%	7.5% 3% 3.2%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	778 Days 1192 Days 2262 Days	773 Days 1167 Days 2249 Days

8 total progeny records from 4 contemporary groups

( 191 herdmate records from 4 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 68.2%, FR: 19.1%, JE: 2.9%, NR: 0.8%, OTHER: 3.0%	HO: 70.3%, FR: 18.7%, JE: 2.1%, NR: 0.6%, OTHER: 3.5%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 19.2% 20.4%	0% 20.2% 21.1%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	42.6kg 42.1kg 41.6kg	41.5kg 41.6kg 41.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	1015 Days 1184 Days 2134 Days	763 Days 1148 Days 2234 Days

25 total progeny records from 14 contemporary groups

( 618 herdmate records from 14 contemporary groups)