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 6.6% 2.4%	96% ( 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 6.7% 2.4%	96% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	21.3%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	21.2%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.3 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	41.3 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-2.85 days	99%
May 2025	Gestation (Days between conception and birth)	-2.87 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.64	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.70	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	6.60%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	6.55%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.6% 2.4%	96% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.7% 2.4%	96% 99%
Sep 2025	Birth Size	21.3%	97%
May 2025	Birth Size	21.2%	97%
Sep 2025	Birth Weight	41.3 kg	95%
May 2025	Birth Weight	41.3 kg	95%
Sep 2025	Gest	-2.85 days	99%
May 2025	Gest	-2.87 days	99%
Sep 2025	Mort	-0.64	99%
May 2025	Mort	-0.70	99%
Sep 2025	Maternal Calving Difficulty	6.60%	98%
May 2025	Maternal Calving Difficulty	6.55%	98%

2,259 total progeny records from 486 dairy contemporary groups

( 26,759 herdmate records from 480 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 62.6%, FR: 28.2%, JE: 4.1%, NR: 0.9%, OTHER: 1.8%	HO: 62.6%, FR: 27.6%, JE: 3.5%, NR: 0.9%, OTHER: 2.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.6% 2.6% 2.8%	6.8% 2.7% 2.8%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	776 Days 1126 Days 2110 Days	766 Days 1131 Days 2142 Days

113 total progeny records from 23 contemporary groups

( 1,416 herdmate records from 23 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.0%, FR: 26.8%, JE: 1.2%, NR: 1.5%, OTHER: 1.2%	HO: 63.0%, FR: 28.0%, JE: 3.5%, NR: 1.7%, OTHER: 1.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.4% 20.2% 20.7%	19.9% 19.7% 20.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.9kg 41kg 41.1kg	41kg 40.9kg 41kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	755 Days 1129 Days 2010 Days	751 Days 1122 Days 2079 Days

79 total progeny records from 19 contemporary groups

( 1,604 herdmate records from 19 contemporary groups)