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 5.0% 2.3%	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 4.8% 2.3%	95% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.9%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	17.3%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.7 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	39.5 kg	93%
Sep 2025	Gestation (Days between conception and birth)	-3.95 days	99%
May 2025	Gestation (Days between conception and birth)	-3.92 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.14	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.09	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.94%	91%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.92%	91%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.0% 2.3%	96% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.8% 2.3%	95% 98%
Sep 2025	Birth Size	17.9%	97%
May 2025	Birth Size	17.3%	96%
Sep 2025	Birth Weight	39.7 kg	94%
May 2025	Birth Weight	39.5 kg	93%
Sep 2025	Gest	-3.95 days	99%
May 2025	Gest	-3.92 days	99%
Sep 2025	Mort	-0.14	99%
May 2025	Mort	-0.09	99%
Sep 2025	Maternal Calving Difficulty	4.94%	91%
May 2025	Maternal Calving Difficulty	4.92%	91%

2,066 total progeny records from 594 dairy contemporary groups

( 40,590 herdmate records from 593 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 76.4%, FR: 19.1%, JE: 1.3%, NR: 0.4%, OTHER: 1.0%	HO: 74.1%, FR: 20.2%, JE: 2.7%, NR: 0.5%, OTHER: 0.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.6% 2.6%	6.2% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	732 Days 1110 Days 2172 Days	741 Days 1117 Days 2211 Days

184 total progeny records from 51 contemporary groups

( 4,172 herdmate records from 51 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 75.4%, FR: 18.6%, JE: 1.9%, NR: 0.8%, OTHER: 1.8%	HO: 73.1%, FR: 19.6%, JE: 3.1%, NR: 0.9%, OTHER: 1.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.3% 19.8% 18.9%	19% 19.3% 18.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.9kg 40.7kg 40.9kg	40.9kg 40.8kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	727 Days 1132 Days 2166 Days	740 Days 1115 Days 2223 Days

63 total progeny records from 17 contemporary groups

( 1,625 herdmate records from 17 contemporary groups)