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 6.5% 2.8%	71% ( High) 85% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.8%	70% 85%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.5%	68%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.9%	68%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.3 kg	62%
May 2025	Birth Weight (Expected progeny birth weight)	42.2 kg	63%
Sep 2025	Gestation (Days between conception and birth)	-4.58 days	90%
May 2025	Gestation (Days between conception and birth)	-4.67 days	90%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.67	90%
May 2025	Mortality (Calves dead at or soon after birth)	-0.78	90%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.52%	70%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.51%	70%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.8%	71% ( High) 85% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.8%	70% 85%
Sep 2025	Birth Size	20.5%	68%
May 2025	Birth Size	20.9%	68%
Sep 2025	Birth Weight	42.3 kg	62%
May 2025	Birth Weight	42.2 kg	63%
Sep 2025	Gest	-4.58 days	90%
May 2025	Gest	-4.67 days	90%
Sep 2025	Mort	-0.67	90%
May 2025	Mort	-0.78	90%
Sep 2025	Maternal Calving Difficulty	4.52%	70%
May 2025	Maternal Calving Difficulty	4.51%	70%

94 total progeny records from 39 dairy contemporary groups

( 1,650 herdmate records from 39 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 90.5%, FR: 7.4%, JE: 0.3%, NR: 0.2%, OTHER: 0.8%	HO: 84.1%, FR: 10.2%, JE: 2.0%, NR: 0.1%, OTHER: 1.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7% 3% 3%	7.3% 3% 3%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	890 Days 1229 Days 2335 Days	885 Days 1217 Days 2264 Days

5 total progeny records from 2 contemporary groups

( 28 herdmate records from 2 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 99.6%, FR: 0.4%, JE: 0.0%, NR: 0.0%, OTHER: 0.0%	HO: 92.8%, FR: 3.7%, JE: 0.2%, NR: 0.2%, OTHER: 0.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 20.2% 0%	0% 22.2% 0%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 0kg 41.8kg	0kg 0kg 41.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1142 Days 1810 Days	0 Days 1208 Days 2201 Days

2 total progeny records from 2 contemporary groups

( 120 herdmate records from 2 contemporary groups)