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 2.00
Milk (kg) -77.00 -0.014 1.08
Fat (kg) -0.87 -0.375 0.33
Prot (kg) -1.34 -0.441 0.59
Fertility Sub Index 4.53
Calving Interval (days) -2.44 -1.459 3.56
Survival (%) 0.87 1.117 0.97
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.48
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.34 -0.432 -0.58
Maintenance Sub Index Maint. Sub Index 5.21
Live WT (kg) -17.00 -0.307 5.21
Total Carbon Sub Index 16.02

* Based on an €80/tonne carbon price