Yield Performance of Bulgarian Race of Silkworm Fed on Local Mulberry Supplemented with Vitamins and Amino Acids. | [Biologia • 2018]

Author(s):

1. Maimoona Kanwal: Department of Zoology, University of Gujrat-50700, Pakistan

2. Mubashar Hussain: Department of Zoology, University of Gujrat-50700, Pakistan

3. ZAHEER ABBAS: Department of Statistics, University of Gujrat-50700, Pakistan

4. Shakil Ahmad Khan: Sericulture Research Laboratory, Lahore, Pakistan

5. FATIMA ZAFAR: Department of Zoology, University of Gujrat-50700, Pakistan

Abstract:

Silkworm rearing is being practiced for commercial purpose in different parts of Pakistan by rural masses as a cottage industry. Silk seed improvement through importation is one of the key initiative towards popularising and ameliorating silk production in Pakistan. The performance of Bulgarian race of silkworm reared on local mulberry supplemented with vitamins(Band C) in addition to amino acids (Alanine and Glycine) was evaluated at24 - 28 ?C and 70± 5 % RH during early larval instars (1stand 2nd)and 24-28?C and 85 ± 5 % RH during last three (3rd -5th) larval instars. Early in stars were fed on chopped mulberry leaves whereas later instars were reared on mulberry leaves dipped with 10% solutions of vitamins (B and C) and 2%amino acid (Alanine and Glycine) in different combinations. Data collected at the end of 3rd,4th and 5th instars showed significant variations in larval body length (2.81, 4.27 and 6.02 cm),body weight (0.35, 1.03 and2.74 g) and food consumption (2.60, 3.26 and 4.12 g) when larvae were fed on mulberry leaves dipped in 10 % Vitamin C Solution + 2 % Glycine + Alanine (T9).Significant differences were also observed in all growth parameters. Fecundity (439.67 #), Fertility (86.0%) and Hatchability (84.67%) were highest in T9which were significantly different from control (T0), 422.67, 79.33 and 76.33, respectively. Cocoon Weight (1.36 g), Shell Weight (0.33 g) and Cocoon shell percentage (24.02%) in T9were significantly different from control, 1.26 g, 0.25 g and 19.89%, respectively. Bulgarian race has potential to thrive under prevailing environmental conditions if reared on mulberry leaves rich in vitamins (B and C) in addition to amino acids (Alanine and Glycine) contents or supplemented.

Page(s): 45-53

DOI: DOI not available

Published: Journal: Biologia, Volume: 64, Issue: 1, Year: 2018

Keywords:

Keywords are not available for this article.

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