Download Animal Husbandry Regained: The Place of Farm Animals in by John Webster PDF

By John Webster

The farming of animals for meat and milk confronts a stark problem. whereas international call for from a turning out to be and extra prosperous human inhabitants is expanding speedily, there are powerful counter-arguments that we must always consume much less meat and pay extra recognition to environmental security, animal welfare and human healthiness and wellbeing and fitness.  

The target of this e-book is to spot and clarify the factors and participants to present difficulties in animal husbandry, particularly these relating to 'factory farming', and increase arguments which can give a contribution to its winning re-orientation. Husbandry is taken into account in its broadest feel, specifically the efficient and sustainable use of the land for the nice of all (plants, people and different animals). 

The first a part of the booklet outlines rules and arguments essential to have interaction with present difficulties: depletion of normal assets and destruction of atmosphere, animal welfare, meals and future health, reasonable alternate and sharing assets. those arguments are illustrated by means of examples and enough proof to justify the argument with out obscuring the message. the second one half provides a chain of optimistic proposals for switch and improvement in animal husbandry, either within the built global and subsistence agriculture. those comprise extra built-in crop and cattle farming platforms, the ethics of animal welfare and environmental administration, and the evolution of a brand new social agreement wherein the rights of the folk to a good percentage of excellent, secure foodstuff and a eco-friendly and delightful land are matched by way of a shared accountability to maintain these items.

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Extra info for Animal Husbandry Regained: The Place of Farm Animals in Sustainable Agriculture

Sample text

I am reassured however by the words of Albert Einstein who said ‘Everything should be as simple as possible, but no simpler’. It is my thesis that, for most practical purposes, the multiplicity of influences on agriculture, food production and land use can be addressed according to first principles and categorised within a manageable number of proximate causes. These first principles and proximate causes are reviewed under the generic headings of resource use, food quality, environmental quality, animal health and welfare, ethics, politics and economics.

The snag with this approach is, of course, that there would be very little to sell, certainly not enough to justify the cost of feeding the breeding generation all year. 5/38). 3╇ Factors affecting the efficiency of utilization of metabolizable energy (ME) for growth in mammals. RE is energy retention, H is heat production. W and M are weights at weaning and maturity. Em is maintenance energy exchange (ME=H) at maturity. (Webster 1989) leanness in pigs can be attributed to genetic selection for animals that are leaner at any age.

2╇ Efficiency of energy and protein conversion in meat, milk and egg production, described by the ratio of output to input. 30 Input/year (MJ ME in total) MJ ‘competitive’ ME Input/year (kg protein in total) kg ‘competitive’ protein Efficiency the contribution of the breeding beef cow is only one calf/year, plus her own carcass at eventual slaughter. In each column the efficiency of conversion of feed energy and protein is expressed in two ways: • Overall efficiency: food energy and protein (for human consumption) relative to total feed energy and protein consumed by the animals (both the breeding and slaughter generations).

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