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Availability

Rumen8 can be downloaded and used straight away in trial mode but is restricted to 4 diet ingredients until it is registered. Registration is free.

To apply for a registration number please send an email to Richard Morris at support@rumen8.com.au with your name (first and surname) and the email you would like to be contacted on. If you don't mind telling us where you are (country and region will do) and your role in the dairy industry it helps us see who is using Rumen8 and better target improvements in the future. Rumen8 emails are very infrequent and your email address will not be shared.

Rumen8 3 can be registered with your Rumen8 2 user name and code so if you still have it just use that. If you have lost it send Richard and email on the address above.

Requirements

Rumen8 runs on Windows 7, 8.1 and 10 computers and needs a minimum screen resolution of 1024 x 768. Other than that, if your computer can run Windows adequately it should run Rumen8.


Download the installer

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Download the Windows installer for Rumen8 3 (49 MB)
If your virus scanner will not let you download an executable file (.EXE) download the installer in a zip file from here (password is 'password', all lower case).

The SAP Crystal Reports Runtime is required to create reports - 32bit and 64bit (97 MB)
These can also be downloaded from the SAP website



Download the Rumen8 User Guide (6 MB - included in the Rumen8 3 installer)





Download the Rumen8 Training Manual (3 MB - included in the Rumen8 3 installer)





Download the Rumen8 Feed Companion (2 MB - included in the Rumen8 3 installer)


If you are having trouble downloading and installing Rumen8, download the User Guide above which includes step by step instructions with screen shots to help you.
If the Windows 'SmartScreen' is preventing you running the installer look in the FAQ for instructions.


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Version 3.3.0.3 April 2019

  • IMPORTANT CHANGE
  • Protein demand by the cow is now calculated using the ‘Feed into Milk’ standard. Rumen8 will change to this method automatically when it starts for the first time. Using the previous AFRC method is not recommended but can be selected in the Advanced Preferences.

  • NEW
  • The cow protein demand model has been updated to the ‘Feed into Milk’ standard.
  • The currency now defaults to the system symbol and can be changed in the Preferences.
  • Currency cents can be turned off in the Preferences.
  • Diet ingredients can be dragged from the ingredient number and dropped on another ingredient number or name to swap the position of the two ingredients.
  • When importing feeds and mixes you can now choose to use feeds already in the feed library if they have the same parameters (other than the name).
  • Multiple feeds and mixes can be deleted at once in the feed editor.
  • The cost of feed ingredients is displayed in the mix editor.
  • Enteric methane production has been added to the diet copy/paste function.

  • CHANGED
  • Improved sort buttons layout in the feed editor.
  • Feed lists update more quickly in the feed editor.
  • Import and export feeds now prevents you from exporting to or importing from the current feed library.

  • FIXED
  • Silage ‘Feed protein type’ may be incorrectly classed as ‘Grass silage’ instead of ‘Other silage’ when editing.
    Note: Rumen8 will correct all the provided non-grass silages on start-up. User created feeds will also be corrected if their name is the same as the Rumen8 provided feed with the addition of a suffix.
    Please check all silages to ensure feed protein type is correct.
  • The methane intensity units now change correctly based on milk units.
  • Feed import settings and folder paths are now remembered between sessions.
  • Bug fixed that allowed feed or mix edit after import without feed or mix selected.

Version 3.2.3.0 February 2019

  • NEW
  • Enteric methane intensity and total production equations have been added to the diet detail tab.
  • Diet ingredients weight as fed is now appended to data copied to the clipboard by the Edit->Copy menus allowing it to be pasted into other applications.
  • Total fat in the diet is now reported in the fat % tool tip on the Diet detail tab.

Version 3.2.2.5 February 2019

  • NEW
  • Active recommended levels are now shown in the tool tips for the small traffic lights on the Animal tab and the constraint range text on the Optimiser tab.

  • FIXED
  • Optimiser update message links to the correct section of the User Guide.
  • Optimiser updater improved.
  • Missing feed library file message now exits correctly if the user chooses no new file.
  • Diet comparison reports can now be saved to PDF files.
  • Diet comparison reports no longer display 0’s for empty compare diets.
  • Numerous minor cosmetic improvements.

Version 3.2.2.3 January 2019

  • NEW
  • NDF intake potential can be set individually for cows, dries, transition cows and heifers in the Preferences.
  • Standard intake potential now has user preferences for dry and transition cows.
  • Dry matter intake for NDF on the Diet Detail tab now shows the target quantity in the tool tip.
  • Recommended levels sets in the Preferences can now be linked to a cow days in milk range and will change sets automatically. Switching between automatic and manual selection of recommended levels can be done on the Diet Detail tab via a new A/M button.
  • When opening a saved diet you will be warned if the intake potential parameters have changed since the diet was saved. This is on by default in the Preferences.
  • When opening a saved diet you can be warned if the milk price has changed since the diet was saved. This is off by default in the Preferences.
  • The Split Herd tab can now be hidden in the Preferences if you don’t have split calving herds.
  • DCAD has been added to the diet report.
  • The start up window now shows a progress bar while Rumen8 loads.
  • The Diet tab progress bars and percentage values now show actual values in the tool tip.

  • CHANGED
  • Intake potential estimation methods renamed to Standard and NDF.
  • Intake potential method is now a property of the cow and set on the Animal tab, not a preference setting applied to all animals.
  • The NDF recommended level maximum has been increased from 50 to 70%
  • The Advanced Preferences value for net weight gain energy requirement has been changed from 19 to 22 MJ/kg liveweight gain if the values for net weight gain and loss are still the defaults. This is the result of updated literature search.
  • Forage:Concentrate ratio now reports 0:100 or 100:0 instead of – if the diet is all one type.
  • Milk price components ‘Volume’ discount has been renamed ‘Discount’ and units change with the milk units preference.
  • The optimiser parameter sliders have been widened to make them easier to set accurately.
  • Total solids ratio renamed to Fat to Protein ratio to be clearer for international users.

  • FIXED
  • The Organic matter tool tip now correctly shows – when no diet is loaded.
  • The Diet tab now returns to the correct location if it is hidden and then turned back on.
  • Recommended levels for NDF from forage as a percentage of liveweight now save correctly.
  • A bug in the MilkPrice.db3 upgrade routine that caused an occasional failure during the upgrade has been fixed.
  • Feed costs in the Diet detail window now display correctly when greater than $9999.
  • Feed as a percent of income now displays percentages greater than 100.

Version 3.2.1.2 December 2018

  • Fixed bug that displayed the equivalent milk prices incorrectly for dry cows.
  • Fixed a bug that reset the heifer weight to 40kg occasionally.

Version 3.2.1.1 November 2018

  • Fixed a bug that prevented Rumen8 from prompting to save when quitting with unsaved changes.

Version 3.2.1.0 November 2018

  • NEW
  • New diet comparison report added.
  • Warnings added to the diet ingredients if the maximum feeding rate is exceeded.
  • A fifth set of recommended levels added along with an off option. Now allows parameter ranges for early, mid & late lactation plus dry and transition herds.
  • Maximum milk price increased to $9999.99.
  • Diet ash content/organic matter content tool tip added to the Diet Detail tab.

  • CHANGED
  • Milk price now changes to cents per kilogram when the milk units are kilograms.
  • Cow live weight change body condition score calculator revised and includes Penn State 1-5 system.
  • Penn State body condition score system added to the live weight change tool tip.

  • FIXED
  • Fixed a bug that prevented some diet costs saving.

Version 3.2.0.1 August 2018

  • CHANGED
  • Feed costs are no longer displayed if any diet ingredient is missing its cost.

  • FIXED
  • Fixed a bug in the calculation of the $Milk/$Feed efficiency parameter.

Version 3.2.0.0 June 2018

  • NEW
  • Heifer mineral requirement added.
  • Standard cows with 2000, 3000 & 4000 litre lactations added.
  • Restoring a stored diet now has the option to also restore the animal.
  • Maximum feed cost has been increased to $9999999/tonne.
  • The herd margin will now display negative margins.
  • Shift clicking a diet ingredient number will remove that ingredient.
  • Provided grams of MP/litre of milk table in the tooltip for true protein concentration on the Animal tab.
  • Added MP efficiency coefficients to the MP Detail window.

  • CHANGED
  • Feed editor import cancel button changed to Skip All to make the function clearer.
  • Added tool tips to the Feed editor import CSV buttons.
  • Changed the Import, Diet menu text to make it’s function clearer.
  • Pasted forage:concentrate ratio increased to 2 decimal places and the title is clearer.
  • The report disclaimer entry box style now matches others.
  • Calculated ingredient amount (wet from entered dry matter and vice versa) now rounded to 2 decimal places to prevent rounding inconsistencies.
  • Expanded the explanation for excess protein removal cost tooltip and changed units to KJ/g N.
  • Expanded the excess protein forgone milk explanation in the tool tip.
  • Improved wording of save default animal dialog box.
  • Improved wording in the User Feed Library flag tooltip.
  • Improved wording for menu option to move dry cow into transition herd.

  • FIXED
  • Fixed a bug that prevented the eNDF recommended levels traffic light from working.
  • Fixed a bug that prevented the Forage:Concentrate recommended levels traffic light from turning off when no diet was loaded.
  • Fixed a bug that prevented the recommended DCAD levels being updated to the 2017 values.
  • Fixed a bug that prevented restoring the Split Herd diet in some circumstances.
  • Fixed a bug that blanked wet cost when dry matter cost was entered as 0 and vice versa in feed and mix editor.
  • Fixed calculation of the non-entered cost when the dry matter of the mix is changed and the mix is complete.
  • Numerous internal updates to allow easier maintenance and future updates.

Version 3.1.2.0 May 2018

  • NEW
  • Added the NDF intake as a percent of liveweight to the Max DMI NDF% value on the Diet Detail tab.

  • CHANGED
  • Improved the heifer protein demand calculation by replacing the default 1.25 adjustment with a correction factor based on liveweight (Tedeschi 2015). This will increase heifer protein demand.
  • Expanded tooltip information in Preferences for MP requirement adjustment and NDF intake as a percent of liveweight.

Version 3.1.1.4 April 2018

  • Fixed a bug that prevented ingredient 10 restoring correctly from the Compare tab.
  • Fixed a calculation error on the Diet report for ingredient mineral supply. Thanks to David H. for reporting this.
  • Fixed the calculation of mix mineral absorption rates.

Version 3.1.1.3 March 2018

  • NEW
  • Added dry matter intake as a percentage of cow liveweight to the Diet detail tab.
  • Added tool tips to the Milk price tab headings.

  • CHANGED
  • The Diet report now allows negative margin over feed costs and larger dollar values.
  • The minimise and maximise controls have been restored to the main windows.

  • FIXED
  • Fixed a mix cost bug that prevented fresh weight costs being entered. Thanks to Glenys H. for reporting this.
  • Fixed bug where preference validation values were not being read from the file correctly.

Version 3.1.1.2 March 2018

  • Fixed occasional bug when importing an old diet file after a failed attempt to import a non-Rumen8 csv file.
  • Improved milk prices database upgrade process.

Version 3.1.1.1 March 2018

  • NEW
  • Additional information about the Metabolisable Protein Correction Factor added to the User Guide, Help and Advanced preferences tooltip.

  • FIXED
  • Fixed a bug when importing a v2 feed library.
  • Fixed bug when exporting mixes.

Version 3.1.1.0 March 2018

  • NEW
  • Diet, Batch and Feeding reports can be printed or saved as PDFs from the File menu (reports require the SAP runtime software to be installed, see Getting Started in the User Guide for details).
  • Easily share feeds and mixes by exporting and importing them from the Feed Editor Selection tab.
  • Combine separate diets for split herds in the new Split herd tab.
  • Define up to 10 milk price sets in the Milk Price tab.
  • Create diets for heifers by selecting a heifer in the Breed & Maturity drop-down menu.
  • Calculate the target growth rate for heifer herds with the calculator on the Animal tab.
  • Suggest cow live weight change with the calculator on the Animal tab.
  • Estimate the additional liveweight change required to increase body condition score in the cow live weight change calculator.
  • Milk fever risk is estimated for transition cow diets on the Diet Detail tab.
  • There is now a warning on the Diet tab if a monitored parameter on the Diet Detail tab is out of the recommended range.

  • CHANGED
  • Animal parameters can be entered directly on the Animal tab in addition to using the sliders.
  • The updated User Guide is now available from the Help menu, the F1 key or the help button (?) in the window title bar.

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