FAQ in Ericulture

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FREQUENTLY ASKED QUESTIONS (FAQ) IN ERI

• Scientific name of eri silkworm: = Samia ricini (Donovan)
• Average fecundity (No.)= 300 (± 50 )
• Weight of 1 dfls (g) = 0.60
• Av. Hatching percentage (%) = 85 (± 5% )
• Av. ERR (%)= 75 (± 5% )
• Average cocoons production /1 dfl (No.) = 200 (± 50)
• Average cocoons production /100 dfl (No.)= 20,000
• Average weight of single cocoon (g)= 3.50 (± 0.30 )
• Av. Weight of single shell (castor fed)(g) = 0.40 (± 0.10)
• Average cocoons production / acre/year (No.) = 80,000
• Average cocoons production / ha/year. ( No.). = 2,00,000
• Average green cocoons production / ha/year (kg)= 280
• Average green cocoon production /100 dfls(kg)= 70
• Average no. of green cocoons nos. / 1 kg.(No.)= 300
• Average number of shell per kg (kg)= 2500
• Average production of shell per 100 dfls(kg)= 8
• Average production of cut cocoon per acre(kg)= 32
• Average production of cut cocoon per ha (kg)= 80
• Average production of raw silk per 100 dfls (kg)= 6
• Average production of raw silk per acre (kg) = 24
• Average recovery percentage of raw silk(%) = 80
• Average production of raw silk per hectare (kg) = 60
• Cost of 1 kg green cocoon ( )= 50/-
• Cost of 1 kg shell (in rupees )= 400/-
• Cost of 1 kg pupa (in rupees )= 120/-
• Cost of 1 kg raw silk ( in rupees)= 1500/-
• Cost of 1 mtre eri fabric ( in rupees)= 450/-
• Cost of Gent’s plain shawl (in rupees )= 1800/-
• Cost of ladies shawl (in rupees )= 800/-
• Castor leaf production per acre (kg)= 4800
• Kesseru leaf production per acre (kg)= 10000
• Castor leaf production/ plant/ year (4 harvest) (kg)= 1.2
• Kesseru leaf production/plant/year (3 harvest) (kg)= 10
• Castor leaf production per ha (MT) = 12
• Kesseru leaf production per ha (MT)= 25
• Rearing capacity per acre of castor (dfls in No.)= 400
• Rearing capacity per acre of kesseru (dfls in No.)= 1000
• Castor leaf consumption per dfl (kg)= 12
• Kesseru leaf consumption per dfl (kg)= 10

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