Upcoming SlideShare
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Standard text messaging rates apply

# Salinity &amp; Tilapia Culture

441
views

Published on

2011 uog summer research apprentice program

2011 uog summer research apprentice program

0 Likes
Statistics
Notes
• Full Name
Comment goes here.

Are you sure you want to Yes No
• Be the first to comment

• Be the first to like this

Views
Total Views
441
On Slideshare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
25
0
Likes
0
Embeds 0
No embeds

No notes for slide

### Transcript

• 1. The Beginning: Calculations
• 2. Exchange rate Salinity R H V Inflow Rate Exchange Rate (ppt) (in.) (m) (in.) (m) (m3) (m3/min) (%) 33 27.5 0.6985 23 0.5842 0.895 0.016 2574 24 28 0.7112 24 0.6096 0.968 0.019 2826 4 27.5 0.6985 23.25 0.59055 0.905 0.01 1592 14 27.75 0.70485 24 0.6096 0.951 0.0165 2498Calculating Salinity Adjustments Target Exchange Target Calculate Inflow Total Total Exhange 3 Rate Salinity Rate(m /min) Inflow Rate(liter/min) Inflow Rate Tank # Time: Freshwate (%) (ppt) Seawater r Seawater Freshwater (m3/min) (%) 1:04p OT5 m 100 33 0.001 0.000 0.622 0.000 0.001 100 1:30p OT6 m 1600 24 0.007 0.004 7.134 3.567 0.011 1592 1:44p OT11 m 1600 4 0.000 0.01 0.000 10.000 0.010 1600.000 1:45p OT12 m 1600 14 0.004 0.007 3.504 7.007 0.011 1592
• 3. Salinity vs. Tilapia Weight 20 y = 0.6542x - 0.1481 R = 0.981 18 y = 0.61x - 0.403 R = 0.971 y = 0.530x + 1.134 16 R = 0.980 y = 0.524x + 1.041 4Average Weight (g) 14 R = 0.969 14 24 33 12 Linear (4) Linear (14) Linear (24) 10 Linear (33) 8 6 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 July
• 4. 4 Food Conversion Rate 3.5 3 2.5FCR (%) 33 2 24 4 1.5 14 1 0.5 0 18 20 22 24 26 28 30 32 July
• 5. Specific Growth Rate 4.5 4.4 4.3Daily SGR in Percentages (%) 4.2 4.1 4 3.9 3.8 33 24 4 14 Salinity (ppt)
• 6. Survival Rate 100 98 96Survival Rate in Percentages (%) 94 92 90 88 86 84 82 33 24 4 14 Salinity (ppt)
• 7. Weight Gain 80 78 76Body Mass Gained in Grams (g) 74 72 70 68 66 64 62 33 24 4 14 Salinity (ppt)
• 8. Feeding
• 9. CENSORED