The influence of development phase, cut and degree of wilting on parameters of chemical composition, proteolysis and quality in lucerne silage
Uticaj fenofaze, otkosa i stepena provenulosti na parametre hemijskog sastava, proteolize i kvaliteta silaže lucerke
2012
Authors
Djordjević, NenadGrubić, Goran
Dinić, Bora
Stojanović, Bojan
Radivojević, Mihailo
Božičković, Aleksa
Article (Published version)
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Different phases of plant development (beginning of bloom - 10% flowers, midbloom - 50% flowers), two growth cycles (II and IV cut) and two levels of biomass wilting (DM = 320 gkg-1 and 410 gkg-1) on changes in chemical composition, proteolysis and quality of lucerne silage were investigated in this experiment. Experiment was set as statistical model 2×2×2 (2k). Based on the results of chemical analysis it is confirmed that in earlier cut lucerne silages there was more crude protein, ammonia and soluble nitrogen , and less crude fiber (p lt 0.05). Lucerne silages from IV cut were very little different from silages from II cut in nutrient content and quality parameters. Wilting lucerne to the highest level of dry matter reduced total fermentation and proteolysis (p lt 0.05). At the same time there were no significant differences in chemical composition of silages (p>0.05), unless protein. On the basis of this investigations it can be concluded that ensiling of lucerne in latter phases o...f plant development, with higher degree of wilting, produces silages with better quality parameters, but also with significantly lower nutritive value. Therefore the use of various methods of induction and stimulation of lactic acid fermentation is recommended for lucerne mass cut in earlier development phases - with the aim to obtain maximum nutrients and best quality.
U radu je ispitivan uticaj različitih faza razvića (početak cvetanja - 10% iscvetalosti, sredina cvetanja - 50% iscvetalosti), dva ciklusa korišćenja (II i IV otkos) i dva stepena provenulosti biomase, odnosno sadržaja suve materije (SM = 320 g/kg i 410 g/ kg) na promene parametara hemijskog sastava, proteolize i kvaliteta silaže lucerke. Eksperiment je postavljen po statističkom modelu 2×2×2 (2k). Na osnovu rezultata hemijskih analiza utvrđeno je u silažama ranije košene lucerke veći sadržaj proteina, amonijaka i rastvorljivog zota i manji sadržaj sirove celuloze (p lt 0,05). Silaže lucerke iz IV otkosa su se minimalno razlikovale u pogledu sadržaja hranljivih materija i parametara kvaliteta u odnosu na silaže lucerke iz II otkosa. Provenjavanje lucerke do većeg nivoa suve materije je dovelo do redukcije fermentacije i proteolize (p lt 0,05). Pri tome nije bilo statistički značajnih razlika u pogledu hemijskog sastava silaža (p>0,05), izuzev proteina. Na osnovu izvedenih ispitivanja m...ože se zaključiti da se siliranjem lucerke iz kasnijih faza razvića, uz veći stepen provenjavanja, postiže bolji kvalitet silaža, ali se signifikantno smanjuje hranljiva vrednost. Zbog toga se preporučuje primena različitih metoda indukcije i stimulacije mlečnokiselinskog vrenja za materijal košen u ranijim fenofazama, kako bi se dobila maksimalna hranljiva vrednost i maksimalan kvalitet.
Keywords:
lucerne / development phase / cut / wilting / chemical composition / quality / proteolysis / lucerka / fenofaza / otkos / provenjavanje / hemijski sastav / kvalitet / proteolizaSource:
Zbornik naučnih radova Instituta PKB Agroekonomik, 2012, 18, 3-4, 41-47Publisher:
- Institut PKB Agroekonomik, Padinska skela
Funding / projects:
- Investigation of contemporary biotechnological processes in animal feed production aimed at increasing food competitiveness, quality and safety (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-46012)
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Poljoprivredni fakultetTY - JOUR AU - Djordjević, Nenad AU - Grubić, Goran AU - Dinić, Bora AU - Stojanović, Bojan AU - Radivojević, Mihailo AU - Božičković, Aleksa PY - 2012 UR - http://aspace.agrif.bg.ac.rs/handle/123456789/3077 AB - Different phases of plant development (beginning of bloom - 10% flowers, midbloom - 50% flowers), two growth cycles (II and IV cut) and two levels of biomass wilting (DM = 320 gkg-1 and 410 gkg-1) on changes in chemical composition, proteolysis and quality of lucerne silage were investigated in this experiment. Experiment was set as statistical model 2×2×2 (2k). Based on the results of chemical analysis it is confirmed that in earlier cut lucerne silages there was more crude protein, ammonia and soluble nitrogen , and less crude fiber (p lt 0.05). Lucerne silages from IV cut were very little different from silages from II cut in nutrient content and quality parameters. Wilting lucerne to the highest level of dry matter reduced total fermentation and proteolysis (p lt 0.05). At the same time there were no significant differences in chemical composition of silages (p>0.05), unless protein. On the basis of this investigations it can be concluded that ensiling of lucerne in latter phases of plant development, with higher degree of wilting, produces silages with better quality parameters, but also with significantly lower nutritive value. Therefore the use of various methods of induction and stimulation of lactic acid fermentation is recommended for lucerne mass cut in earlier development phases - with the aim to obtain maximum nutrients and best quality. AB - U radu je ispitivan uticaj različitih faza razvića (početak cvetanja - 10% iscvetalosti, sredina cvetanja - 50% iscvetalosti), dva ciklusa korišćenja (II i IV otkos) i dva stepena provenulosti biomase, odnosno sadržaja suve materije (SM = 320 g/kg i 410 g/ kg) na promene parametara hemijskog sastava, proteolize i kvaliteta silaže lucerke. Eksperiment je postavljen po statističkom modelu 2×2×2 (2k). Na osnovu rezultata hemijskih analiza utvrđeno je u silažama ranije košene lucerke veći sadržaj proteina, amonijaka i rastvorljivog zota i manji sadržaj sirove celuloze (p lt 0,05). Silaže lucerke iz IV otkosa su se minimalno razlikovale u pogledu sadržaja hranljivih materija i parametara kvaliteta u odnosu na silaže lucerke iz II otkosa. Provenjavanje lucerke do većeg nivoa suve materije je dovelo do redukcije fermentacije i proteolize (p lt 0,05). Pri tome nije bilo statistički značajnih razlika u pogledu hemijskog sastava silaža (p>0,05), izuzev proteina. Na osnovu izvedenih ispitivanja može se zaključiti da se siliranjem lucerke iz kasnijih faza razvića, uz veći stepen provenjavanja, postiže bolji kvalitet silaža, ali se signifikantno smanjuje hranljiva vrednost. Zbog toga se preporučuje primena različitih metoda indukcije i stimulacije mlečnokiselinskog vrenja za materijal košen u ranijim fenofazama, kako bi se dobila maksimalna hranljiva vrednost i maksimalan kvalitet. PB - Institut PKB Agroekonomik, Padinska skela T2 - Zbornik naučnih radova Instituta PKB Agroekonomik T1 - The influence of development phase, cut and degree of wilting on parameters of chemical composition, proteolysis and quality in lucerne silage T1 - Uticaj fenofaze, otkosa i stepena provenulosti na parametre hemijskog sastava, proteolize i kvaliteta silaže lucerke EP - 47 IS - 3-4 SP - 41 VL - 18 UR - https://hdl.handle.net/21.15107/rcub_agrospace_3077 ER -
@article{ author = "Djordjević, Nenad and Grubić, Goran and Dinić, Bora and Stojanović, Bojan and Radivojević, Mihailo and Božičković, Aleksa", year = "2012", abstract = "Different phases of plant development (beginning of bloom - 10% flowers, midbloom - 50% flowers), two growth cycles (II and IV cut) and two levels of biomass wilting (DM = 320 gkg-1 and 410 gkg-1) on changes in chemical composition, proteolysis and quality of lucerne silage were investigated in this experiment. Experiment was set as statistical model 2×2×2 (2k). Based on the results of chemical analysis it is confirmed that in earlier cut lucerne silages there was more crude protein, ammonia and soluble nitrogen , and less crude fiber (p lt 0.05). Lucerne silages from IV cut were very little different from silages from II cut in nutrient content and quality parameters. Wilting lucerne to the highest level of dry matter reduced total fermentation and proteolysis (p lt 0.05). At the same time there were no significant differences in chemical composition of silages (p>0.05), unless protein. On the basis of this investigations it can be concluded that ensiling of lucerne in latter phases of plant development, with higher degree of wilting, produces silages with better quality parameters, but also with significantly lower nutritive value. Therefore the use of various methods of induction and stimulation of lactic acid fermentation is recommended for lucerne mass cut in earlier development phases - with the aim to obtain maximum nutrients and best quality., U radu je ispitivan uticaj različitih faza razvića (početak cvetanja - 10% iscvetalosti, sredina cvetanja - 50% iscvetalosti), dva ciklusa korišćenja (II i IV otkos) i dva stepena provenulosti biomase, odnosno sadržaja suve materije (SM = 320 g/kg i 410 g/ kg) na promene parametara hemijskog sastava, proteolize i kvaliteta silaže lucerke. Eksperiment je postavljen po statističkom modelu 2×2×2 (2k). Na osnovu rezultata hemijskih analiza utvrđeno je u silažama ranije košene lucerke veći sadržaj proteina, amonijaka i rastvorljivog zota i manji sadržaj sirove celuloze (p lt 0,05). Silaže lucerke iz IV otkosa su se minimalno razlikovale u pogledu sadržaja hranljivih materija i parametara kvaliteta u odnosu na silaže lucerke iz II otkosa. Provenjavanje lucerke do većeg nivoa suve materije je dovelo do redukcije fermentacije i proteolize (p lt 0,05). Pri tome nije bilo statistički značajnih razlika u pogledu hemijskog sastava silaža (p>0,05), izuzev proteina. Na osnovu izvedenih ispitivanja može se zaključiti da se siliranjem lucerke iz kasnijih faza razvića, uz veći stepen provenjavanja, postiže bolji kvalitet silaža, ali se signifikantno smanjuje hranljiva vrednost. Zbog toga se preporučuje primena različitih metoda indukcije i stimulacije mlečnokiselinskog vrenja za materijal košen u ranijim fenofazama, kako bi se dobila maksimalna hranljiva vrednost i maksimalan kvalitet.", publisher = "Institut PKB Agroekonomik, Padinska skela", journal = "Zbornik naučnih radova Instituta PKB Agroekonomik", title = "The influence of development phase, cut and degree of wilting on parameters of chemical composition, proteolysis and quality in lucerne silage, Uticaj fenofaze, otkosa i stepena provenulosti na parametre hemijskog sastava, proteolize i kvaliteta silaže lucerke", pages = "47-41", number = "3-4", volume = "18", url = "https://hdl.handle.net/21.15107/rcub_agrospace_3077" }
Djordjević, N., Grubić, G., Dinić, B., Stojanović, B., Radivojević, M.,& Božičković, A.. (2012). The influence of development phase, cut and degree of wilting on parameters of chemical composition, proteolysis and quality in lucerne silage. in Zbornik naučnih radova Instituta PKB Agroekonomik Institut PKB Agroekonomik, Padinska skela., 18(3-4), 41-47. https://hdl.handle.net/21.15107/rcub_agrospace_3077
Djordjević N, Grubić G, Dinić B, Stojanović B, Radivojević M, Božičković A. The influence of development phase, cut and degree of wilting on parameters of chemical composition, proteolysis and quality in lucerne silage. in Zbornik naučnih radova Instituta PKB Agroekonomik. 2012;18(3-4):41-47. https://hdl.handle.net/21.15107/rcub_agrospace_3077 .
Djordjević, Nenad, Grubić, Goran, Dinić, Bora, Stojanović, Bojan, Radivojević, Mihailo, Božičković, Aleksa, "The influence of development phase, cut and degree of wilting on parameters of chemical composition, proteolysis and quality in lucerne silage" in Zbornik naučnih radova Instituta PKB Agroekonomik, 18, no. 3-4 (2012):41-47, https://hdl.handle.net/21.15107/rcub_agrospace_3077 .