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	High 10.4% 4.1%	79% ( High) 93% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.4% 4.1%	79% 93%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	28.6%	69%
May 2025	Birth Size (Progeny expected to be born large or extra large)	28.3%	69%
Sep 2025	Birth Weight (Expected progeny birth weight)	43.1 kg	67%
May 2025	Birth Weight (Expected progeny birth weight)	43.1 kg	67%
Sep 2025	Gestation (Days between conception and birth)	-2.31 days	94%
May 2025	Gestation (Days between conception and birth)	-2.29 days	94%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.58	94%
May 2025	Mortality (Calves dead at or soon after birth)	-0.65	94%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.18%	85%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.14%	85%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.4% 4.1%	79% ( High) 93% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.4% 4.1%	79% 93%
Sep 2025	Birth Size	28.6%	69%
May 2025	Birth Size	28.3%	69%
Sep 2025	Birth Weight	43.1 kg	67%
May 2025	Birth Weight	43.1 kg	67%
Sep 2025	Gest	-2.31 days	94%
May 2025	Gest	-2.29 days	94%
Sep 2025	Mort	-0.58	94%
May 2025	Mort	-0.65	94%
Sep 2025	Maternal Calving Difficulty	5.18%	85%
May 2025	Maternal Calving Difficulty	5.14%	85%

180 total progeny records from 47 dairy contemporary groups

( 1,771 herdmate records from 47 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 85.9%, FR: 11.3%, JE: 0.1%, NR: 0.0%, OTHER: 1.4%	HO: 82.4%, FR: 13.8%, JE: 0.1%, NR: 0.0%, OTHER: 2.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.6% 3% 2.9%	7.2% 2.9% 2.9%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	737 Days 1220 Days 2215 Days	751 Days 1187 Days 2235 Days

2 total progeny records from 2 contemporary groups

( 34 herdmate records from 2 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 62.5%, FR: 23.4%, JE: 0.8%, NR: 0.0%, OTHER: 0.8%	HO: 74.4%, FR: 23.5%, JE: 0.3%, NR: 0.0%, OTHER: 1.5%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 19.6% 18.5%	0% 19.4% 22.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 0kg 41.2kg	0kg 0kg 40.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1352 Days 2085 Days	0 Days 1223 Days 2141 Days

2 total progeny records from 1 contemporary groups

( 11 herdmate records from 1 contemporary groups)