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 10.8% 4.4%	51% ( Average) 74% ( High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.5% 4.3%	50% 72%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	31.8%	70%
May 2025	Birth Size (Progeny expected to be born large or extra large)	28.7%	66%
Sep 2025	Birth Weight (Expected progeny birth weight)	43.5 kg	66%
May 2025	Birth Weight (Expected progeny birth weight)	43.7 kg	66%
Sep 2025	Gestation (Days between conception and birth)	-1.23 days	83%
May 2025	Gestation (Days between conception and birth)	-1.22 days	83%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.13	83%
May 2025	Mortality (Calves dead at or soon after birth)	0.02	83%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.28%	56%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.40%	54%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.8% 4.4%	51% ( Average) 74% ( High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.5% 4.3%	50% 72%
Sep 2025	Birth Size	31.8%	70%
May 2025	Birth Size	28.7%	66%
Sep 2025	Birth Weight	43.5 kg	66%
May 2025	Birth Weight	43.7 kg	66%
Sep 2025	Gest	-1.23 days	83%
May 2025	Gest	-1.22 days	83%
Sep 2025	Mort	0.13	83%
May 2025	Mort	0.02	83%
Sep 2025	Maternal Calving Difficulty	3.28%	56%
May 2025	Maternal Calving Difficulty	3.40%	54%

39 total progeny records from 13 dairy contemporary groups

( 396 herdmate records from 13 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 30.7%, FR: 7.6%, JE: 0.0%, NR: 0.0%, OTHER: 56.7%	HO: 36.5%, FR: 14.1%, JE: 0.4%, NR: 0.4%, OTHER: 44.3%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 3.7% 3.5%	0% 3.5% 3.2%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1238 Days 2404 Days	0 Days 1300 Days 2414 Days

5 total progeny records from 3 contemporary groups

( 120 herdmate records from 3 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 30.6%, FR: 7.2%, JE: 0.0%, NR: 0.0%, OTHER: 54.4%	HO: 36.2%, FR: 12.3%, JE: 0.4%, NR: 2.6%, OTHER: 34.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 0% 21.3%	0% 0% 19.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 0kg 44.5kg	0kg 0kg 43.3kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 0 Days 2466 Days	0 Days 0 Days 2281 Days

5 total progeny records from 1 contemporary groups

( 51 herdmate records from 1 contemporary groups)