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 5.3% 2.2%	73% ( High) 86% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.3% 2.2%	72% 86%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.4%	81%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.4%	81%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.7 kg	82%
May 2025	Birth Weight (Expected progeny birth weight)	40.7 kg	82%
Sep 2025	Gestation (Days between conception and birth)	-3.82 days	93%
May 2025	Gestation (Days between conception and birth)	-3.81 days	93%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.67	93%
May 2025	Mortality (Calves dead at or soon after birth)	-0.77	93%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.12%	75%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.17%	75%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.3% 2.2%	73% ( High) 86% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.3% 2.2%	72% 86%
Sep 2025	Birth Size	18.4%	81%
May 2025	Birth Size	18.4%	81%
Sep 2025	Birth Weight	40.7 kg	82%
May 2025	Birth Weight	40.7 kg	82%
Sep 2025	Gest	-3.82 days	93%
May 2025	Gest	-3.81 days	93%
Sep 2025	Mort	-0.67	93%
May 2025	Mort	-0.77	93%
Sep 2025	Maternal Calving Difficulty	4.12%	75%
May 2025	Maternal Calving Difficulty	4.17%	75%

94 total progeny records from 46 dairy contemporary groups

( 4,575 herdmate records from 46 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.6%, FR: 22.3%, JE: 3.3%, NR: 0.6%, OTHER: 0.9%	HO: 67.7%, FR: 22.8%, JE: 6.4%, NR: 0.4%, OTHER: 0.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.9% 2.5% 2.5%	5.9% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	822 Days 1117 Days 2240 Days	738 Days 1109 Days 2199 Days

13 total progeny records from 5 contemporary groups

( 369 herdmate records from 5 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.8%, FR: 22.3%, JE: 1.9%, NR: 0.3%, OTHER: 0.3%	HO: 71.6%, FR: 20.6%, JE: 5.2%, NR: 0.6%, OTHER: 0.5%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18% 18.4% 18.9%	18.7% 19.2% 19.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	39.7kg 40.2kg 40.6kg	40.4kg 40.4kg 40.4kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	853 Days 1137 Days 2266 Days	734 Days 1105 Days 2236 Days

12 total progeny records from 5 contemporary groups

( 687 herdmate records from 5 contemporary groups)