Alcalde, C. R.

Branco, A. F.

Jobim, C. C.

Macedo, F. A. F.

English

University of Kentucky

University of Kentucky UKnowledge International Grassland Congress Proceedings XXI International Grassland Congress / VIII International Rangeland Congress Quality of High Moisture Corn Silage Added of Whole Soybean, Whole Sunflower or Urea C. C. Jobim State University of Maringa, Brazil F. A. F. Macedo State University of Maringa, Brazil A. F. Branco State University of Maringa, Brazil C. R. Alcalde State University of Maringa, Brazil Follow this and additional works at: https://uknowledge.uky.edu/igc  Part of the Plant Sciences Commons, and the Soil Science Commons This document is available at https://uknowledge.uky.edu/igc/21/15-2/12 The XXI International Grassland Congress / VIII International Rangeland Congress took place in Hohhot, China from June 29 through July 5, 2008. Proceedings edited by Organizing Committee of 2008 IGC/IRC Conference Published by Guangdong People's Publishing House This Event is brought to you for free and open access by the Plant and Soil Sciences at UKnowledge. It has been accepted for inclusion in International Grassland Congress Proceedings by an authorized administrator of UKnowledge. For more information, please contact UKnowledge@lsv.uky.edu. 　 Multifunctional Grasslands in a Changing World 　 Volume Ⅱ 　 瞯 709　 瞯Grasslands/Rangelands Production Systems ——— Forage Quality ,Conservation and UtilizationQuality of high moisture corn silage added of whole soybean , whole sunflower or ureaC .C . Jobim , F .A .F . Macedo , A .F . Branco and C .R . AlcaldeDepartment o f Animal Science — State University o f Maringa , A v . Colombo , Maringa‐Pr .(cc jobim ＠ uem .br , f a f macedo ＠ uem .br , a f branco ＠ uem .br , cralcalde ＠ uem .brKey words : chemical composition ,ruminal degradability ,silage aditivesIntroduction A disadvantage when using high moisture corn silage in ruminant diets is the difficulty to formulate and storeconcentrate in advance . So , the inclusion of other feeds during ensilage could be an option to obtain silage with highernutritional value similar to commercial concentrates . Jobim et al . (２００３ ) stated that quality of high moisture corn silage can beimproved by addition of whole soybean , whole sunflower and urea , without negative effects on silage preservation . This studywas carried out to evaluate the quality of high moisture corn ensiled with whole soybean , whole sunflower and urea .Materials and methods The experiment was conducted at State University of Maringa , Maringa — Brazil . Treatments were : １ )high moisture corn silage ( HMCS) ; ２ ) HMCS ＋ ２０ ％ whole soybean ; ３ ) HMCS ＋ ２０ ％ whole sunflower , and ４ ) HMCS ＋ １ ％urea . A completely randomized design was applied with four replicates . Silages were produced in plastic containers of ２００litres . Silages were analyzed for dry matter ( DM ) , crude protein ( CP ) , ether extract ( EE) and starch . Silage degradabilitywas obtained through nylon bag in situ technique conducted using four rumen cannulated Holstein steers (４８０ kg) . Silages DMand CP degradability were calculated according Orskov & McDonald al . (１９７９ ) . Incubation times were ０ , ６ , １２ , ２４ , ４８ e ７２hours . Results were analyzed using ANOVA and means were compared by Tukey test ( SAS , ２００３ ) .Results Inclusion of whole soybean , whole sunflower and urea affected CP , EE and starch contents as shown in Table １ .Inclusion of whole sunflower in HMCS reduced potential degradability ( PD) of DM and CP . Inclusion of whole soybean andurea in HMCS decreased effective degradability of DM and CP which can be attributed to higher EE .Table 1 Chemical composition and ruminal degradability o f high moisture corn silage added with whole soybean , wholesun f lower and urea .Items DM( ％ )OM( ％ )EE( ％ )CP( ％ )Starch( ％ )PD ED (２ ％ / h)DM CP DM CPHMCS ６２ .１ ９４ .５ ５ .２c １０ .１b ６４ .２b ９１ .４３ab ９６ .５３a ８８ .８６a ９５ .５２aHMCSWSB ６５ .６ ９３ .０ １０ .３b １７ .７a ５１ .２c ９３ .４６a ９８ .６７a ８０ .５１b ８４ .９９bHMCSWSF ６５ .０ ９５ .１ １１ .９b １０ .９b ５６ .８bc ８４ .７５b ９２ .７５b ７３ .８１c ８５ .３９bHMCSU ６５ .７ ９４ .４ ４ .９c ２０ .２a ５９ .３b ９０ .６１ab ９７ .８４a ８７ .３４a ９６ .９１aVC ５ .２ ３ .８ ８ .７ ９ .６ １３ .４ ７ .６ ９ .２ ８ .３ ８ .６HMCS ＝ high moisture corn silage ; HMCSSF ＝ high moisture corn silage ＋ whole sunflower ; HMCSU ＝ high moisture corn silage ＋ １ ％ urea ; P ＝ P values , VC ＝variation coefficientDifferent letters within a column indicate significant differences ( Tukey Test ; P ＜ ０ .０５ ) .Conclusion Addition of whole soybean , whole sunflower and urea improved chemical composition of high moisture corn silage .ReferencesORSKOV , E . R . ; McDONALD , I . ( １９７９ ) . The estimation of protein degradability in the rumen from incubationmeasurements weighted according to rate of passage . Journal o f Agriculture Science , v .９２ , n .２ , p .４９９‐５０４ .REIS , W . ; JOBIM , C .C . ; MACEDO , F .A .F . ; MARTINS , E .N . ; CECATO , U . (２００１ ) . Caracterí sticas da carca毕a decordeiros alimentados com dietas contendo gr本os de milho conservados em diferentes formas . Revista Brasileira deZootecnia , v . ３０ , n .０４ , p .１３０８‐１３１５ .SAS Institute . Statistics analysis systems . Version ８ .０２ , Cary , ２００３ .

Quality of High Moisture Corn Silage Added of Whole Soybean, Whole Sunflower or Urea

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Quality of High Moisture Corn Silage Added of Whole Soybean, Whole Sunflower or Urea

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