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Establishing a Network to Reduce Heat Stress in Livestock. Brad Scharf Division of Animal Sciences University of Missouri Columbia, Missouri. THE PROBLEM. ANNUAL INDUSTRY LOSSES DUE TO HEAT STRESS IN THE US $897,000,000Dairy $369,000,000 Beef $299,000,000 Swine. - PowerPoint PPT Presentation
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Establishing a Network to Reduce Heat Stress
in Livestock
Brad ScharfBrad ScharfDivision of Animal Sciences Division of Animal Sciences
University of MissouriUniversity of MissouriColumbia, MissouriColumbia, Missouri
ANNUAL INDUSTRY LOSSES DUE TO HEAT STRESS IN THE US
$897,000,000$897,000,000 DairyDairy
$369,000,000 $369,000,000 BeefBeef
$299,000,000 Swine $299,000,000 Swine
THE PROBLEM
Incidence of thermal extremes also rising
5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 10010 54 54 54 54 53 53 53 53 52 52 52 52 52 51 51 51 51 50 50 5012 56 56 56 56 55 55 55 55 55 55 55 55 54 54 54 54 54 54 54 5414 58 58 58 58 58 58 57 57 57 57 57 57 57 57 57 57 57 57 57 5716 59 59 59 60 60 60 60 60 60 60 60 60 60 60 60 60 61 61 61 6118 61 61 61 62 62 62 62 62 62 63 63 63 63 63 64 64 64 64 64 6420 63 63 63 64 64 64 64 65 65 65 66 66 66 66 67 67 67 67 68 6822 64 65 65 66 66 66 67 67 67 68 68 69 69 69 70 70 70 71 71 7224 66 67 67 68 68 69 69 70 70 70 71 71 72 72 73 73 74 74 75 7526 68 69 69 70 70 71 71 72 73 73 74 74 75 75 76 77 77 78 78 7928 70 70 71 72 72 73 74 74 75 76 76 77 78 78 79 80 80 81 82 8230 71 72 73 74 74 75 76 77 78 78 79 80 81 81 82 83 84 84 85 8632 73 74 75 76 77 77 78 79 80 81 82 83 84 84 85 86 87 88 89 9034 75 76 77 78 79 80 81 82 83 84 84 85 86 87 88 89 90 91 92 9336 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 93 94 95 96 9738 78 79 81 82 83 84 85 86 88 89 90 91 92 93 95 96 97 98 99 10040 80 81 82 84 85 86 88 89 90 91 93 94 95 96 98 99 100 101 103 10442 82 83 84 86 87 89 90 91 93 94 95 97 98 99 101 102 104 105 106 10844 83 85 86 88 89 91 92 94 95 97 98 99 101 102 104 105 107 108 110 11146 85 87 88 90 91 93 94 96 98 99 101 102 104 105 107 109 110 112 113 115
LIVESTOCK WEATHER SAFETY INDEX
Relative Humidity, %
Te
mp
era
ture
, oC
Normal: 74 Alert: 75-78 Danger: 79-83 Emergency: 84
Air Temperature (C)
20 25 30 35 40
Bo
dy
Te
mp
era
ture
(C
)
38.0
38.5
39.0
39.5
40.0
40.5
41.0 Beef
Air Temperature (C)
20 25 30 35 40
Re
spir
atio
n R
ate
(b
pm
)
70
80
90
100
110
120
130
140
150
160 Beef
Develop a network
of information exchange
using state-of-art technology
to reduce the impact of
heat stress
THE IDEA
PRODUCER
RESEARCHERS
SMARTPHONE APP
ENVIRONMENT
ANIMAL
THERMALAIDTHERMALAID
STUDENTS
RESEARCH & EDUCATION
PRODUCERS
APP DEVELOPMENT
Device Attachments
THERMALNETTHERMALNET
Websitewww.thermalnet.missouri.edu
• General informationGeneral information• TipsTips• Ask the expertAsk the expert
INTEGRATIVE, NOVEL NETWORKS TO TACKLE COMPLEX PROBLEMS
FUTURE DEVELOPMENT
Additional Livestock > Pets > Humans+ Research Tool
Attachments to Automate the App•On Farm weather data transmitter•Body temperature transmitter
Panting Score
Current Transmitters
Development
Development
Development
Development
Temperature Humidity I ndex Heat Stress Category Below 75 No Stress
75-79 Alert
80-89 Danger
Above 90 Emergency
Temperature Humidity I ndex Heat Stress Category Below 72 No Stress
72-79 Alert
80-89 Danger
Above 90 Emergency
Beef
Dairy
Cattle THI Categories
Predicted Breathing Rate Heat Stress Category Less than 90 breaths per minute No Stress From 90 - 110 breaths per minute Alert From 110 - 130 breaths per minute Danger Above 130 breaths per minute Emergency
Predicted Breathing Rate Heat Stress Category Less than 75 breaths per minute No Stress From 75 - 85 breaths per minute Alert From 85 - 120 breaths per minute Danger Above 120 breaths per minute Emergency
Cattle Respiration Rate CategoriesBeef
Dairy
THI Formula = Air Temp-(0.55-0.55*Relative humidity/100)*(Air Temp – 58.8)THI Formula = Air Temp-(0.55-0.55*Relative humidity/100)*(Air Temp – 58.8)
