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 12.6% 5.0%	68% ( High) 75% ( High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 12.5% 5.0%	68% 83%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	28.1%	77%
May 2025	Birth Size (Progeny expected to be born large or extra large)	27.7%	77%
Sep 2025	Birth Weight (Expected progeny birth weight)	43.1 kg	74%
May 2025	Birth Weight (Expected progeny birth weight)	43.1 kg	74%
Sep 2025	Gestation (Days between conception and birth)	2.30 days	91%
May 2025	Gestation (Days between conception and birth)	2.37 days	91%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.64	91%
May 2025	Mortality (Calves dead at or soon after birth)	-0.66	91%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.81%	68%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.87%	68%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 12.6% 5.0%	68% ( High) 75% ( High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 12.5% 5.0%	68% 83%
Sep 2025	Birth Size	28.1%	77%
May 2025	Birth Size	27.7%	77%
Sep 2025	Birth Weight	43.1 kg	74%
May 2025	Birth Weight	43.1 kg	74%
Sep 2025	Gest	2.30 days	91%
May 2025	Gest	2.37 days	91%
Sep 2025	Mort	-0.64	91%
May 2025	Mort	-0.66	91%
Sep 2025	Maternal Calving Difficulty	3.81%	68%
May 2025	Maternal Calving Difficulty	3.87%	68%

108 total progeny records from 43 dairy contemporary groups

( 1,721 herdmate records from 43 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 13.5%, FR: 6.2%, JE: 1.4%, NR: 0.2%, OTHER: 70.7%	HO: 70.4%, FR: 7.2%, JE: 1.2%, NR: 1.5%, OTHER: 11.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	10.2% 3.9% 3.7%	7.2% 3% 3%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	763 Days 1180 Days 2201 Days	770 Days 1154 Days 2169 Days

11 total progeny records from 1 contemporary groups

( 154 herdmate records from 1 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 14.4%, FR: 1.9%, JE: 0.0%, NR: 1.0%, OTHER: 48.1%	HO: 25.9%, FR: 4.6%, JE: 0.3%, NR: 1.9%, OTHER: 42.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	26.8% 20.9% 22.2%	23.4% 21.5% 19.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	43kg 42.1kg 42kg	42.3kg 41.5kg 41.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	725 Days 1076 Days 1917 Days	734 Days 1098 Days 2204 Days

13 total progeny records from 2 contemporary groups

( 172 herdmate records from 2 contemporary groups)