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 4.77
Milk (kg) 34.00 -0.014 -0.48
Fat (kg) -9.59 -0.375 3.59
Prot (kg) -3.75 -0.441 1.66
Fertility Sub Index -4.10
Calving Interval (days) 1.21 -1.459 -1.77
Survival (%) -2.09 1.117 -2.33
Calving Sub Index 1.07
Gestation Length (days) -1.16 -0.919 1.07
Beef Sub Index -0.58
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 2.33 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index -1.56
Live WT (kg) 5.10 -0.307 -1.56
Total Carbon Sub Index -0.41

* Based on an €80/tonne carbon price