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	Moderate 8.0% 3.1%	93% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.2% 3.1%	93% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	22.2%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	22.3%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.8 kg	91%
May 2025	Birth Weight (Expected progeny birth weight)	41.8 kg	91%
Sep 2025	Gestation (Days between conception and birth)	-2.41 days	99%
May 2025	Gestation (Days between conception and birth)	-2.41 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.16	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.21	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.90%	97%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.87%	96%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.0% 3.1%	93% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.2% 3.1%	93% 98%
Sep 2025	Birth Size	22.2%	95%
May 2025	Birth Size	22.3%	95%
Sep 2025	Birth Weight	41.8 kg	91%
May 2025	Birth Weight	41.8 kg	91%
Sep 2025	Gest	-2.41 days	99%
May 2025	Gest	-2.41 days	99%
Sep 2025	Mort	-0.16	99%
May 2025	Mort	-0.21	99%
Sep 2025	Maternal Calving Difficulty	4.90%	97%
May 2025	Maternal Calving Difficulty	4.87%	96%

1,610 total progeny records from 364 dairy contemporary groups

( 19,636 herdmate records from 361 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 60.6%, FR: 29.1%, JE: 3.4%, NR: 1.0%, OTHER: 2.5%	HO: 61.1%, FR: 26.0%, JE: 4.5%, NR: 1.5%, OTHER: 3.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.2% 2.7% 2.8%	6.8% 2.6% 2.8%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	828 Days 1123 Days 2194 Days	771 Days 1131 Days 2192 Days

78 total progeny records from 9 contemporary groups

( 470 herdmate records from 9 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.3%, FR: 29.9%, JE: 0.6%, NR: 0.0%, OTHER: 1.1%	HO: 70.8%, FR: 24.3%, JE: 0.7%, NR: 0.2%, OTHER: 0.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	13.5% 19.2% 20.7%	19.1% 19.8% 20.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.8kg 41.3kg	0kg 41.2kg 41.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	1105 Days 1102 Days 2291 Days	754 Days 1128 Days 2224 Days

51 total progeny records from 6 contemporary groups

( 367 herdmate records from 6 contemporary groups)