Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 0.38
Milk (kg) -4.00 -0.014 0.06
Fat (kg) 1.81 -0.375 -0.68
Prot (kg) -2.28 -0.441 1.01
Fertility Sub Index 0.81
Calving Interval (days) -0.46 -1.459 0.67
Survival (%) 0.12 1.117 0.13
Calving Sub Index -0.41
Gestation Length (days) 0.45 -0.919 -0.41
Beef Sub Index 0.46
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.14 -0.432 -0.49
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 2.61

* Based on an €80/tonne carbon price