BIVOLTINE RACE AND

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Figs. L to 2. Disinfection 3 to 4. Incubation - Fig. 1 Disinfection of rearing house - Fig. 3 Egg Carrying Box Fig. 2 Lime wash mixed vvi1fo $lsnghing powder Fig. 4Incubation room
3.5 Standard method of incubation of eggs 1. Hibernated eggs (Univoltine) on the day of hatching about 10 da 1 day 23"C 75 - 807o Take out from cold storage 10"c 2. Hibernated eggs or Acid treated and (Bivoltine) cold stored on the day of hatching about i0 days 25.< - 26.5"C 1 day 25"C 75 - 80Vo Thke out from cold storage 10"c 3. Common acid treated eggs (Bivoltine) followed by incubation (r.vithout cold storage) on the day of hatchi Egg laying - 20th hour - acid treatment - 4. Acid-treatment after chilling (Bivoltine) about 9 da 25"C 75 - 80% on the day of hatchi Thke out from cold storage 5-6 hours 'before acid treatment 25?C 75 - 80Vo Note: Provide 16 hours light duing incubation,
Page 2 and 3: MANUAL ON BIVOLTINE REARING RACE MA
Page 4 and 5: PREFACB Sericulture, the aiable agr
Page 6 and 7: 5.5. Silkworrn diseases and prevent
Page 8 and 9: INTRODUCTION The bivoltine silkworm
Page 10 and 11: 2.3. Estimation of quantity to disi
Page 14 and 15: During incubation, hurnidity is rna
Page 16 and 17: 4.1. Hygiienic conditions - - - - -
Page 18 and 19: Thc irrrportant technical aspects f
Page 20 and 21: The standard practice is to give 3-
Page 22 and 23: - - - - - - - Avoid feeding of soil
Page 24 and 25: - - - - - Make the rearing house fl
Page 26 and 27: - - - - - - - - - - - - - - Arrange
Page 28 and 29: INFLUENCE OF TEMPERATURE ON PUPATIO
Page 30 and 31: y using cocoon counter specially me
Page 32 and 33: 6.5 Parameters for investigation Pr
Page 34 and 35: Fig.14 Multiend reeling 6nshine, Fi
Page 36 and 37: 8. Rearing environment I, trI, III,
Page 38 and 39: 8.0. COCOON DRYING : ': : The prima
Page 40 and 41: The formula for calculation of reel
Page 42 and 43: e.g. Conelitionec weight of raw sil
Page 44 and 45: .- Freserve coeoonslpupae at optimu
Page 46 and 47: Figs.1,6 - L8 Egg Production Fig.16
Page 48 and 49: 10.6.2. Individual moth examination
Page 50 and 51: 113.1b. C'rid acid treatrnerat ' ':
Page 52 and 53: The strength of acid will also chan
Page 54 and 55: efrigerated at2.5"C. Intermediate c
Page 56 and 57: - Record data systematically. , '',
Page 58 and 59: In addition to the generation of in
Page 60 and 61: - Record data systematically. ';,'.
Page 62 and 63:
In addition to the generation of in
Page 64 and 65:
I 50 1,07.5 25.7 M MEAN 50 84.0 23.
Page 66 and 67:
- - t-lse disinfected eleaning nets
Page 68 and 69:
Figs.19 ' 23' Cocoons of Different
Page 70 and 71:
A srnall cornmittee af Z-3 rnenrber
Page 72 and 73:
- The method suggested by Shimizu (
Page 74 and 75:
Cocoon - &duscardiire infection (No
Page 76:
AICAF Datta, R.K. ESCAP ESCAP JOCV
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BIVOLTINE RACE AND

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