Black Soldier Fly Augmentation

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-One of top ten states in -beef -horses -dairy
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-District 8 -22 Counties -Erath
Comanche -100,000 dairy cattle -Bosque Leon
Rivers
-Water concerns south of these counties due to
nutrient release from dairies
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Black soldier fly in Georgia
-House fly suppression in poultry
manure -reduce nitrogen phosphorous
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Black soldier fly in Texas
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Preliminary Study on Using Black Soldier Fly
Larvae to Reduce Fly Populations Manure in Calf
Facilities

• Jeffery K. Tomberlin Bob Whitney
• Department of Entomology, Texas AM University
  Texas Cooperative Extension

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Objectives

• House fly
• Manure
• Nutrient

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-21 July through 15 September -Gore
Brothers -Comanche, Texas -Calves birth to 8
weeks -4 treatments replicated 4 times in block
design
-Each treatment manure platforms (1 x 1.2 m)
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-Inoculated with approximately 2,000 5-d-old
black soldier fly larvae -Treated with 1 cup
Prozap/30 sq meter -Treated with 1 pint Prozap/30
sq meter -No treatment
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(No Transcript)
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Sample 3 sites for house fly maggots
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Fly maggot counts
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Weekly gravimetrical estimates of manure (P lt
0.05)
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Final moisture of collected manure
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Final weight of manure 29 reduction
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Nitrogen Phosphorous Reduction
-3 samples (150 g) -55 oC (5 days) -Ground to
powder
-Kjeldahl micro-analysis
Richard Wolfe
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Total Kjeldahl Nitrogen Phosphorous
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Study Summary

• House fly reduction?
• Manure reduction due to soldier fly?
• Nitrogen Phosphorous reduction?
• Replicates needed to support initial results
• Practicality