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 5.9% 2.3%	75% ( High) 91% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.3%	75% 93%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.1%	90%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.2%	90%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.6 kg	82%
May 2025	Birth Weight (Expected progeny birth weight)	41.4 kg	82%
Sep 2025	Gestation (Days between conception and birth)	-2.81 days	98%
May 2025	Gestation (Days between conception and birth)	-2.76 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.67	98%
May 2025	Mortality (Calves dead at or soon after birth)	-0.59	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.64%	79%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.66%	79%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.3%	75% ( High) 91% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.3%	75% 93%
Sep 2025	Birth Size	19.1%	90%
May 2025	Birth Size	19.2%	90%
Sep 2025	Birth Weight	41.6 kg	82%
May 2025	Birth Weight	41.4 kg	82%
Sep 2025	Gest	-2.81 days	98%
May 2025	Gest	-2.76 days	98%
Sep 2025	Mort	-0.67	98%
May 2025	Mort	-0.59	98%
Sep 2025	Maternal Calving Difficulty	4.64%	79%
May 2025	Maternal Calving Difficulty	4.66%	79%

343 total progeny records from 90 dairy contemporary groups

( 9,333 herdmate records from 90 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 74.2%, FR: 21.4%, JE: 2.6%, NR: 0.4%, OTHER: 0.5%	HO: 72.9%, FR: 21.6%, JE: 3.1%, NR: 0.6%, OTHER: 0.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.5% 2.4%	6.2% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	758 Days 1114 Days 2125 Days	754 Days 1114 Days 2199 Days

45 total progeny records from 14 contemporary groups

( 1,773 herdmate records from 14 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.7%, FR: 22.4%, JE: 2.2%, NR: 0.4%, OTHER: 1.0%	HO: 71.4%, FR: 23.0%, JE: 2.2%, NR: 0.8%, OTHER: 1.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.6% 19.5% 18.9%	19.3% 19.4% 19.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.4kg 39.9kg	0kg 40.9kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	741 Days 1132 Days 2071 Days	744 Days 1114 Days 2197 Days

13 total progeny records from 6 contemporary groups

( 733 herdmate records from 6 contemporary groups)