Feed Strategy - January 2018 - 30

30 ❙ FeedStrategy

Advances in ruminant
environmental impact reductions
Examining recent developments in the study of rumen microbial
ecosystem, genetic selection
HELEN WARREN

G

lobally, agricultural livestock account directly
for about 9 percent of total anthropogenic
greenhouse gas (GHG) emissions. Most people
in the ruminant industry are familiar with the publication, "Livestock's Long Shadow," that ascribes about 18
percent of the global anthropogenic emissions to livestock
production. However, there are fewer people familiar with
the response to that paper, which attempts to highlight
some of the shortcomings of the publication and tries to
represent ruminant livestock's contribution in a more level
playing field.
Producers are continually reminded, by government,
consumers and the media, of the ever-increasing focus on
producing high-quality products with lower levels of environmental emissions. For example, the Irish government

A liter of milk is now produced using
p
less resources compared
with 1944

90% less land
9

Created using iStockPhoto elements

65% less water
6
75% less manure
7
63% smaller carbon footprint
6

has set targets to reduce emissions from agriculture by
50 percent by 2050, while the U.K. government is legally
required to reduce greenhouse gas emissions across agriculture by 80 percent of the 1990 levels by 2050 - with
an interim target of 11 percent reduction by 2020.
At the same time, despite rising input costs, production must increase to meet demands, and businesses
must remain profitable.

Highlighting the efficiencies of ruminants
The consumer media has a tendency to see increasing
efficiency of ruminant production in a negative light as far
as environmental impact goes. Despite this, producers start
to consider that achieving greater efficiency at farm level is
an absolute requirement for simultaneously lowering environmental impact and improving the farm's bottom line.
Numerous innovations implemented over the past 50
years have helped farmers to reduce their environmental
impact by doing more with less. For example, a liter of
milk is now produced using 90 percent less land, 65 percent less water, 75 percent less manure and a 63 percent
smaller carbon footprint compared with 1944.
Going forward, one of the critical points for justifying the survival of ruminant agriculture will be the ability to utilize human non-edible feedstuffs. We know that
the ruminant is only about 20 to 30 percent efficient at
producing meat and milk in terms of energy and protein,
meaning a huge 0.8 kg of nitrogen is excreted for every
kilogram of product produced. However, when taken in
the context of converting human non-edible feedstuffs
into human edible food, energy and protein, efficiencies
www.WATTAgNet.com ❙ January 2018


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Table of Contents for the Digital Edition of Feed Strategy - January 2018

Feed Strategy - January 2018
Contents
In the Mix
Consumer interest drives transparency in feed production
6 challenges facing the global animal feed industry
Marketing-driven poultry production’s real feed costs
How feed extrusion can improve digestibility, safety
Advances in ruminant environmental impact reductions
Secrets of successful piglet feeding after weaning
EU’s history of fraudulent organic grain imports
Products
Marketplace
Feed Strategy - January 2018 - Feed Strategy - January 2018
Feed Strategy - January 2018 - Cover2
Feed Strategy - January 2018 - Contents
Feed Strategy - January 2018 - In the Mix
Feed Strategy - January 2018 - 3
Feed Strategy - January 2018 - 4
Feed Strategy - January 2018 - 5
Feed Strategy - January 2018 - Consumer interest drives transparency in feed production
Feed Strategy - January 2018 - 7
Feed Strategy - January 2018 - 8
Feed Strategy - January 2018 - 9
Feed Strategy - January 2018 - 10
Feed Strategy - January 2018 - 11
Feed Strategy - January 2018 - 12
Feed Strategy - January 2018 - 13
Feed Strategy - January 2018 - 6 challenges facing the global animal feed industry
Feed Strategy - January 2018 - 15
Feed Strategy - January 2018 - 16
Feed Strategy - January 2018 - 17
Feed Strategy - January 2018 - 18
Feed Strategy - January 2018 - 19
Feed Strategy - January 2018 - Marketing-driven poultry production’s real feed costs
Feed Strategy - January 2018 - 21
Feed Strategy - January 2018 - 22
Feed Strategy - January 2018 - 23
Feed Strategy - January 2018 - 24
Feed Strategy - January 2018 - 25
Feed Strategy - January 2018 - How feed extrusion can improve digestibility, safety
Feed Strategy - January 2018 - 27
Feed Strategy - January 2018 - 28
Feed Strategy - January 2018 - 29
Feed Strategy - January 2018 - Advances in ruminant environmental impact reductions
Feed Strategy - January 2018 - 31
Feed Strategy - January 2018 - 32
Feed Strategy - January 2018 - 33
Feed Strategy - January 2018 - Secrets of successful piglet feeding after weaning
Feed Strategy - January 2018 - 35
Feed Strategy - January 2018 - 36
Feed Strategy - January 2018 - 37
Feed Strategy - January 2018 - EU’s history of fraudulent organic grain imports
Feed Strategy - January 2018 - 39
Feed Strategy - January 2018 - 40
Feed Strategy - January 2018 - 41
Feed Strategy - January 2018 - 42
Feed Strategy - January 2018 - 43
Feed Strategy - January 2018 - 44
Feed Strategy - January 2018 - 45
Feed Strategy - January 2018 - Products
Feed Strategy - January 2018 - 47
Feed Strategy - January 2018 - Marketplace
Feed Strategy - January 2018 - Cover3
Feed Strategy - January 2018 - Cover4
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