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 10.84
Milk (kg) -266.00 -0.014 3.72
Fat (kg) -4.14 -0.375 1.55
Prot (kg) -12.61 -0.441 5.57
Fertility Sub Index 7.56
Calving Interval (days) -4.53 -1.459 6.61
Survival (%) 0.85 1.117 0.95
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index 1.15
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 1.01 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 23.52

* Based on an €80/tonne carbon price