Izvorni znanstveni članak
https://doi.org/10.33128/k.64.1.1
Quality of corn silages produced in the Sisak-Moslavina County
Marina Vranić
orcid.org/0000-0001-6280-0116
; Agronomski fakultet Sveučilišta u Zagrebu, Zagreb, Hrvatska
Krešimir Bošnjak
; Agronomski fakultet Sveučilišta u Zagrebu, Zagreb, Hrvatska
Milan Bogičević
; student Agronomskog fakulteta Sveučilišta u Zagrebu, Zagreb, Hrvatska
Nataša Pintić Pukec
; Hrvatska agencija za poljoprivredu i hranu, Križevci, Hrvatska
Andreja Babić
; Hrvatska agencija za poljoprivredu i hranu, Križevci, Hrvatska
Ivica Vranić
; Hrvatska agencija za poljoprivredu i hranu, Križevci, Hrvatska
Krešimir Krapinec
; Šumarski fakultet Sveučilišta u Zagrebu, Zagreb, Hrvatska
Kristina Starčević
; Veterinarski fakultet Sveučilišta u Zagrebu, Zagreb, Hrvatska
Tomislav Mašek
; Veterinarski fakultet Sveučilišta u Zagrebu, Zagreb, Hrvatska
Sažetak
Corn silage (CS) is the main energy component of the ration in feeding cattle for meat and milk. The objective of this study was to determine the quality of CS from the Sisak-Moslavina County produced in 2016 on ten family farms. Total of 65 CS samples were analyzed for organoleptic, physical, chemical and biological quality parameters. The color of the analyzed CS ranged from normal and greenish to dark brown, and the smell from the smell of alcohol and butyric acid to the smell of caramel. The most common was the chopping length of 0.8-1.9 cm (55% of the analyzed samples), followed by 0.4-0.8 cm (31% of the analyzed samples). The CS produced had on average dry matter (DM) content 378.31 g kg-1 fresh sample, neutral detergent fiber (NDF) 407.78 g kg-1 DM and pH value 4.37, crude protein (CP) 72.81 g kg-1 DM, starch 343.3 g kg-1 DM, metabolic energy (ME) 10.85 MJ kg-1 DM, net energy for lactation (NEL ) 6.56 MJ kg-1 DM and digestibility of organic matter (OMD) 711 g kg-1 DM. Out of the total of analyzed samples, the optimal quality was determined in 23% of CS for DM, 46% for CP content, 18% for starch, 23% for pH value and 0% for OMD. It was concluded that the analyzed CS were produced from corn crops ensiled in later stages of phenological maturity than optimal for the production of high quality CS. Also, the values determined for DM, NDF, pH, starch were higher while the values for CP, ME, NEL i OMD lower than reported by previous monitoring of CS quality on family farms as well as the desired values for CS. The variable quality of the produced CS indicates applied different technology of cultivation and ensiling of corn crops in the same microclimatic conditions.
Ključne riječi
corn silage; NIR spectroscopy; chemical composition
Hrčak ID:
286154
URI
Datum izdavanja:
22.11.2022.
Posjeta: 438 *