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 4.49
Milk (kg) -60.00 -0.014 0.84
Fat (kg) -4.47 -0.375 1.67
Prot (kg) -4.48 -0.441 1.98
Fertility Sub Index 4.58
Calving Interval (days) -4.34 -1.459 6.33
Survival (%) -1.57 1.117 -1.75
Calving Sub Index -3.33
Gestation Length (days) 3.62 -0.919 -3.33
Beef Sub Index 2.42
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) -4.15 -0.432 1.79
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 10.38

* Based on an €80/tonne carbon price