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% 4.4%	49% ( Average) 80% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.7% 4.5%	48% 80%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	27.3%	79%
May 2025	Birth Size (Progeny expected to be born large or extra large)	27.5%	78%
Sep 2025	Birth Weight (Expected progeny birth weight)	43.1 kg	57%
May 2025	Birth Weight (Expected progeny birth weight)	43.3 kg	57%
Sep 2025	Gestation (Days between conception and birth)	0.33 days	92%
May 2025	Gestation (Days between conception and birth)	0.31 days	92%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.61	92%
May 2025	Mortality (Calves dead at or soon after birth)	-0.60	92%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.05%	45%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	2.84%	45%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.4% 4.4%	49% ( Average) 80% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.7% 4.5%	48% 80%
Sep 2025	Birth Size	27.3%	79%
May 2025	Birth Size	27.5%	78%
Sep 2025	Birth Weight	43.1 kg	57%
May 2025	Birth Weight	43.3 kg	57%
Sep 2025	Gest	0.33 days	92%
May 2025	Gest	0.31 days	92%
Sep 2025	Mort	-0.61	92%
May 2025	Mort	-0.60	92%
Sep 2025	Maternal Calving Difficulty	3.05%	45%
May 2025	Maternal Calving Difficulty	2.84%	45%

153 total progeny records from 42 dairy contemporary groups

( 1,687 herdmate records from 42 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 48.5%, FR: 19.6%, JE: 0.6%, NR: 1.1%, OTHER: 11.6%	HO: 53.3%, FR: 21.7%, JE: 1.4%, NR: 1.2%, OTHER: 9.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	8.7% 3.2% 3.1%	7.3% 3% 3%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	784 Days 1202 Days 2189 Days	836 Days 1163 Days 2263 Days

35 total progeny records from 14 contemporary groups

( 429 herdmate records from 14 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 25.7%, FR: 6.1%, JE: 0.0%, NR: 2.1%, OTHER: 27.5%	HO: 36.1%, FR: 12.5%, JE: 0.4%, NR: 1.1%, OTHER: 24.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	27.5% 24.2% 23.7%	23.2% 23.5% 23.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 43.7kg 40.9kg	0kg 41.6kg 41.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	805 Days 1187 Days 2359 Days	768 Days 1168 Days 2436 Days

10 total progeny records from 4 contemporary groups

( 316 herdmate records from 4 contemporary groups)