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 3.97
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -3.20 -0.375 1.20
Prot (kg) -3.36 -0.441 1.48
Fertility Sub Index 4.51
Calving Interval (days) -2.48 -1.459 3.62
Survival (%) 0.80 1.117 0.89
Calving Sub Index 0.42
Gestation Length (days) -0.46 -0.919 0.42
Beef Sub Index 3.66
Carcass Weight (kg) -5.00 -0.528 2.64
Age of Slaughter (days) -2.36 -0.432 1.02
Maintenance Sub Index Maint. Sub Index 5.06
Live WT (kg) -16.50 -0.307 5.06
Total Carbon Sub Index 17.61

* Based on an €80/tonne carbon price