Influence of quantity of the amounts of mulberry leaves to be give as the last daily meal in tile production of cocoon of silkworm Bombyx mori L.

Authors

  • Roque Takahashi Universidade Estadual Paulista, Faculdade de Ciências Agrárias e Veterinárias, Departamento de Produção Animal, Jaboticabal, SP
  • Rodolfo N. Kronka Universidade Estadual Paulista, Faculdade de Ciências Agrárias e Veterinárias, Departamento de Produção Animal, Jaboticabal, SP
  • Gisela A. Tominaga Universidade Estadual Paulista, Faculdade de Ciências Agrárias e Veterinárias, Jaboticabal, SP

Abstract

This research was conducted in the Setor de Sericicultura da Faculdade de Ciências Agrárias e Veterinárias, Campus de Jaboticabal, Unesp, State of São Paulo, Brazil, from August, 1985 to July, 1986. The purpose of the experiment was to determine the ideal percentage of the amounts of mulberry leaves to be given as the last daily meal in the spring, summer and autumn, to get better use of mulberry leaves by the silkworm. Treatments varied according the amount of leaves given in the last daily meal (7:30 PM) beign: T1 = 20%; T2 = 30%; T, = 40% and T4 = 50% of the total amount of leaves. Therefore, the amount given at the four daily meals (7:30 AM, 10:30 AM, 1:30 PM and 4:30 PM) was of 80%, 70%, 60%, and 50% respectively of the total amount offered daily.Data were analysed according a completely randomized block design with 5 repetitions. The studied indexes were: cocoon mean weight (g), silk net quantity (%), and price/kg of cocoon (Cr$). The results obtained allow the following conclusion: mulberry leaves were used more efficiently increasing the amount offered in the last meal. Production of cocoon was higher in the three seasons when 50% of the total amount of leaves was offered in the last meal.

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Published

2014-01-29

Issue

Section

QUANTITATIVE METHODS AND ECONOMY

How to Cite

Influence of quantity of the amounts of mulberry leaves to be give as the last daily meal in tile production of cocoon of silkworm Bombyx mori L. (2014). Bulletin of Animal Husbandry, 44(1), 103-109. http://bia.iz.sp.gov.br/index.php/bia/article/view/737

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