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 4.37
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -5.11 -0.375 1.91
Prot (kg) -1.98 -0.441 0.87
Fertility Sub Index 6.07
Calving Interval (days) -2.53 -1.459 3.69
Survival (%) 2.13 1.117 2.38
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.59
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 2.05 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 19.80

* Based on an €80/tonne carbon price