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 6.07
Milk (kg) -215.00 -0.014 3.01
Fat (kg) -1.98 -0.375 0.74
Prot (kg) -5.25 -0.441 2.32
Fertility Sub Index 7.47
Calving Interval (days) -4.54 -1.459 6.62
Survival (%) 0.76 1.117 0.85
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 1.86
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 1.18 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 19.49

* Based on an €80/tonne carbon price