The effect of including grass-clover mixture as stubble crop on the economy of cattle fattening | Vpliv vkljucitve strniscnega dosevka travno deteljne mesanice v prehrano govedi na ekonomiko pitanja
2008
Moljk, B., Agricultural Inst. of Slovenia, Ljubljana (Slovenia) | Repic, M.
Maize producing agricultural holdings are compelled to perform crop rotation in their fields due to legal provisions. Beside that, the Common Agricultural Policy allows them to acquire additional financial support by applying crop rotation and taking measures of the Agri-environmental Program. One of these measures refers to the greening of arable land. To carry out this measure an agricultural holding can choose to seed such stubble crops which would be possible to be used for forage needed for cattle fattening. In the current paper we therefore tried to present the effect of the use of grass-clover mixture as stubble crop on the economy of cattle fattening using simulation model of the Agricultural Institute of Slovenia. For the evaluation of the effect, the model for young fattened cattle was used, the feeding of which is prevailingly based on maize silage (MPG-KOR). In order to present the effect of including TDM silage in the feed ration of young fattened cattle, beside the MPG-KOR calculation, the MPG-TDM calculation was made which has the TDM stubble crop silage evaluated according to production price in the feed ration. The results of the calculations have shown that the total value of MPG-TDM feed ration was 695.72 EUR/head and was by 11 % higher than that of MPG-KOR (625.48 EUR/head) which was reflected in the higher total costs of breeding. The production value of MPG-TDM with 1360.2 EUR/head was by 0.5 % higher than that of MPG-KOR, the value of which was 1353.3 EUR/head. The relation between the costs of breeding and the production value was less favourable in the case of MPGTDM since the coefficient of economy with 0.990 was by 5 % lower than in the case of MPGKOR (1.039). Judging from the results, the use of TDM stubble crop silage in the breeding of young fattened cattle was a little less appropriate than in the case of agricultural holding on which cattle are fattened prevailingly with maize silage. For the evaluation of appropriateness of the use of TDN stubble crop silage for forage the evaluation from the aspect of individual production was not enough as the problem had to be looked upon from the point of view of the entire economy.
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