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 -1.59
Milk (kg) 160.00 -0.014 -2.24
Fat (kg) -2.54 -0.375 0.95
Prot (kg) 0.69 -0.441 -0.30
Fertility Sub Index -4.21
Calving Interval (days) 1.47 -1.459 -2.14
Survival (%) -1.85 1.117 -2.07
Calving Sub Index 2.31
Gestation Length (days) -2.51 -0.919 2.31
Beef Sub Index -2.41
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 5.94 -0.432 -2.56
Maintenance Sub Index Maint. Sub Index 0.98
Live WT (kg) -3.20 -0.307 0.98
Total Carbon Sub Index -4.93

* Based on an €80/tonne carbon price