Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 2.73
Milk (kg) 16.00 -0.014 -0.22
Fat (kg) -5.00 -0.375 1.87
Prot (kg) -2.46 -0.441 1.09
Fertility Sub Index 5.05
Calving Interval (days) -2.49 -1.459 3.63
Survival (%) 1.27 1.117 1.42
Calving Sub Index -2.72
Gestation Length (days) 2.96 -0.919 -2.72
Beef Sub Index -4.75
Carcass Weight (kg) 12.10 -0.528 -6.38
Age of Slaughter (days) -3.78 -0.432 1.63
Maintenance Sub Index Maint. Sub Index -4.35
Live WT (kg) 14.20 -0.307 -4.35
Total Carbon Sub Index -4.04

* Based on an €80/tonne carbon price