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Black Soldier Fly Augmentation

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... Black Soldier Fly Larvae to Reduce Fly Populations & Manure in Calf Facilities ... Calves: birth to 8 weeks -4 treatments replicated 4 times in block design ... – PowerPoint PPT presentation

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Title: Black Soldier Fly Augmentation


1
-One of top ten states in -beef -horses -dairy
2
-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
3
Black soldier fly in Georgia
-House fly suppression in poultry
manure -reduce nitrogen phosphorous
4
Black soldier fly in Texas
5
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

6
Objectives
  • House fly
  • Manure
  • Nutrient

7
-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)
8
-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
9
(No Transcript)
10
Sample 3 sites for house fly maggots
11
Fly maggot counts
12
Weekly gravimetrical estimates of manure (P lt
0.05)
13
Final moisture of collected manure
14
Final weight of manure 29 reduction
15
Nitrogen Phosphorous Reduction
-3 samples (150 g) -55 oC (5 days) -Ground to
powder
-Kjeldahl micro-analysis
Richard Wolfe
16
Total Kjeldahl Nitrogen Phosphorous
17
Study Summary
  • House fly reduction?
  • Manure reduction due to soldier fly?
  • Nitrogen Phosphorous reduction?
  • Replicates needed to support initial results
  • Practicality
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