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 10.9% 4.4%	78% ( High) 94% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 11.1% 4.4%	78% 94%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	28.5%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	28.8%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.2 kg	73%
May 2025	Birth Weight (Expected progeny birth weight)	42.4 kg	73%
Sep 2025	Gestation (Days between conception and birth)	1.05 days	98%
May 2025	Gestation (Days between conception and birth)	1.04 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	-1.02	98%
May 2025	Mortality (Calves dead at or soon after birth)	-1.02	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	2.29%	85%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	1.74%	85%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.9% 4.4%	78% ( High) 94% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 11.1% 4.4%	78% 94%
Sep 2025	Birth Size	28.5%	95%
May 2025	Birth Size	28.8%	95%
Sep 2025	Birth Weight	42.2 kg	73%
May 2025	Birth Weight	42.4 kg	73%
Sep 2025	Gest	1.05 days	98%
May 2025	Gest	1.04 days	98%
Sep 2025	Mort	-1.02	98%
May 2025	Mort	-1.02	98%
Sep 2025	Maternal Calving Difficulty	2.29%	85%
May 2025	Maternal Calving Difficulty	1.74%	85%

398 total progeny records from 116 dairy contemporary groups

( 5,273 herdmate records from 114 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 51.6%, FR: 16.1%, JE: 5.9%, NR: 1.0%, OTHER: 7.9%	HO: 61.3%, FR: 22.6%, JE: 3.7%, NR: 0.9%, OTHER: 4.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	9% 3.2% 2.9%	8.6% 2.8% 2.8%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	796 Days 1212 Days 2256 Days	773 Days 1139 Days 2264 Days

86 total progeny records from 11 contemporary groups

( 656 herdmate records from 11 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 45.8%, FR: 9.3%, JE: 14.6%, NR: 0.1%, OTHER: 1.1%	HO: 65.8%, FR: 17.5%, JE: 5.0%, NR: 0.2%, OTHER: 1.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	23.5% 22.5% 18.1%	20.1% 19.9% 19.5%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 42.5kg 40.5kg	0kg 41.1kg 41.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	762 Days 1113 Days 2131 Days	753 Days 1108 Days 2196 Days

5 total progeny records from 3 contemporary groups

( 38 herdmate records from 3 contemporary groups)