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Author Moran, John
Title Feedpads for Grazing Dairy Cows
Imprint Victoria : CSIRO Publishing, 2011
book jacket
Descript 1 online resource (237 pages)
text txt rdacontent
computer c rdamedia
online resource cr rdacarrier
Note Intro -- Title -- Copyright -- Foreword -- Contents -- Acknowledgements -- Chemical warning -- 1 Introduction -- Why write this manual? -- Understanding the feedpad system -- An outline of the manual -- A historical perspective of feedpad development in Australia -- Definitions relevant to feedpads and feedlots -- 2 An overview of Australia's dairy industry -- Recent changes in dairy production technology -- Examples of improved production technology -- Recent changes in dairy farm costs and returns -- Performance by rate of return -- Survey of effluent management on feedpads -- Survey of dairy feeding systems throughout Australia -- 3 The role of feedpads in pasture-based dairy farming -- Planning feedpad development -- Why develop a feedpad? -- Considerations when planning feedpads -- The benefits of feedpads in grazing dairy systems -- Consequences of a poorly planned and designed feedpad -- The role of feedpads in risk management -- The classification of feedpads -- Published feedpad classification schemes -- Preferred classification system for feedpads -- Stages of feedpad development using farm plans -- The on-farm development of feedpad technology -- Colour plates -- 4 Physical aspects of feedpad design -- Capacity of feedpads -- Siting the feedpad -- Topography -- Flooding -- Groundwater impacts -- Pad slope -- Soils -- Effluent and manure management -- Feedpad design -- Feedpad type -- Surface construction material -- Specifications for concrete -- Feedpad sizing and layout -- Access for stock and vehicles -- Constructing and maintaining laneways -- Entrance to the feedpad -- Yard requirements -- Height and orientation -- Drainage -- Loafing pads -- Free stall cubicles and sheds -- Other aspects of feedpad design -- Air pollution: odours and dust -- Noise -- Landscaping -- The role of a stand off pad -- Considerations with stand off pads
A checklist for planning a feedpad -- 5 Managing feedpad effluent -- What is feedpad effluent? -- Pad-cleaning systems to remove effluent and manure -- Mechanical scraping -- Using hoses -- Flood washing -- Handling and storing feedpad effluent -- Taking rainfall runoff into account -- Solid separation prior to pondage -- Using the existing effluent system -- Recycling effluent water for feedpad cleaning -- Irrigation reuse dams -- Drainage -- Pond maintenance -- Managing effluent odour -- Minimising flies and vermin -- Recycling feedpad effluent -- Effluent as fertiliser -- Animal health issues -- Triggers to address effluent management -- 6 Key principles of dairy nutrition -- The digestive system of the dairy cow -- The rumen and reticulum -- Microbes of the rumen and reticulum -- The omasum and abomasum -- The small and large intestines -- Nutrients supplied by feeds -- Describing feed energy -- Describing feed protein -- Describing feed fibre -- Predicting cow performance from nutrient intakes -- Water -- Energy -- Protein -- Fibre -- Nutrient requirements of different classes of dairy stock -- The lactation cycle -- From calving to peak lactation -- Peak lactation to peak intake -- Mid and late lactation -- Dry period -- Persistency of milk production throughout lactation -- How cows respond to supplements -- Substitution for basal forage -- Decreasing marginal responses -- An example of marginal milk responses -- Feeding formulated supplements -- Immediate and delayed milk responses -- 7 Partial mixed rations -- Formulating rations for dairy stock on a feedpad -- Total and partial mixed rations -- The principles of formulating feedpad rations -- Nutritive value of ration ingredients -- Agro-industrial by-products -- Chemical residues -- Types of by-products -- Wet by-products -- Dry by-products -- Troubleshooting potential feeding problems
Feed toxicities -- The effects of mould on animal health -- Urea toxicity -- Changes in milk composition -- Monitoring manure consistency -- Metabolic disorders -- Maintaining normal rumen metabolism -- Lactic acidosis -- Mineral buffers and feed additives -- 8 Feeding management of partial mixed rations -- Purchasing feeds -- Preparing a feed budget -- Selecting the feeds -- Purchasing the feeds -- Reducing feed wastages -- Storing the feeds -- Commodity bunkers -- Storing silages -- Storing hays -- Hay fires -- Feeding out conserved forages -- Removing the forage from storage -- Feeding the forage to stock -- Design of water and feed troughs and feeding strips -- Water supplies -- Feed troughs and feeding strips -- Keeping cows out of the feed -- Other aspects of feedbunk management -- Integrating feedpads with grazed pastures -- Principles of effective grazing management -- Using computers to aid feeding decisions -- Checklists for feeding management -- Planning the diet -- Sourcing feed ingredients -- Measuring and mixing feed -- Delivering the feed -- Grazing management -- Feeding management during periods of heat stress -- 9 Cow management -- Animal welfare issues -- Animal health issues -- Lameness -- Mastitis -- Acidosis -- Fertility -- Physical attributes of healthy and sick cows -- Symptoms of health problems -- Other tools to diagnose health problems -- Monitoring stock in free stall sheds -- Identifying, treating and preventing lameness -- Multiple causes of bruised soles -- Assessing cow lameness -- Treating cow lameness -- Preventing bruising -- Preventing other physical trauma injuries -- Minimising heat stress in dairy herds -- How cattle lose body heat -- Effects of heat stress -- The Temperature Humidity Index -- Monitoring respiration rates -- Clinical signs of heat stress -- Feeding management during heat stress
Developing a heat stress management program -- Designing feedpads to minimise heat stress -- Roofing -- Flooring -- Orientation -- Installing sprinklers and fans -- Minimising cold stress in dairy herds -- The effects of severe cold stress -- Management strategies to combat cold weather -- 10 Farm management -- Preparing the farm team -- Occupational health and safety issues -- Understanding how confined cattle react to people -- Safety issues with effluent systems -- Contingency plans for emergencies -- Machinery for mixing and feed out -- Mixer wagons -- 11 Economics of feedpad technology -- Milk income less feed costs -- Feed costs -- Milk returns -- Calculating feeding profit -- Examples of calculating feeding profit -- The high costs of feed wastage -- Estimates of losses from inefficient feed out systems -- Calculations of financial losses and investment payback periods -- Computer software to assist with making feedpad investment decisions -- The value of feedpad effluent -- Using partial budgets to plan farm development -- Steps for a partial budget -- Example of a partial budget -- Sensitivity analyses -- 12 Guidelines and legislation -- Guidelines for feedpad development -- Legislation and planning requirements -- Concerns of government agencies in Victoria -- 13 The future role for feedpads in Australia's dairy industry -- Major concerns from DPIV effluent management advisers -- Mixer wagon survey of Queensland dairy farmers -- The potential for feedpads to improve feed conversion efficiency -- A scenario of irrigated dairy farming in years' time -- Modelling different dairy feeding systems -- Future R & D needs for feedpad production technology -- Abbreviations and conversions -- Glossary -- References and further reading -- Index
Comprehensive guide to the use of feedpads in the dairy industry, written especially for farmers
Description based on publisher supplied metadata and other sources
Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2020. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries
Link Print version: Moran, John Feedpads for Grazing Dairy Cows Victoria : CSIRO Publishing,c2011 9780643097681
Subject Dairy cattle -- Feeding and feeds -- Australia.;Dairy farming -- Australia.;Cattle -- Feed utilization efficiency -- Australia
Electronic books
Alt Author McDonald, Scott
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