نتایج جستجو برای: silk cocoon
تعداد نتایج: 9850 فیلتر نتایج به سال:
Abstract In many foreign countries where cocooning is developed, new effective scientific-based innovative technologies are being developed for the cultivation of high-quality cocoon raw materials, their preliminary processing and increase productivity. It pivotal to obtain high quality, thin strong silk fiber from cultivated cocoons. This research was aimed at researching differential incubati...
Juvenile hormone mimics are known to prolong larval life in insects and thus sericulture, it has been shown boost good cocoon silk yield. In the present experiment, double hybrid (FC1XFC2) silkworm was utilized analysed performance of economic traits. The influence juvenile ie., phytojuvenoids from Pinus (Pinus roxburghii), Custard apple (Annona squamosa) Tapioca (Manihot esculenta), a commerci...
This experiment was conducted to determine the effect of selection index in four iranian commercial silkworm lines (107, 110, 153, 154) on resistance of their hybrids including 107×110, 110×107, 153×154, 154×153 under stress of nuclear polyhedrosis virus (N.P.V) Infection. Selection index program was performed on 3P commercial lines during 9 generations. Later generation parents of 3P lines wer...
Biological materials are hierarchically organized complex composites, which embrace multiple practical functionalities. As an example, the wild silkworm cocoon provides multiple protective functions against environmental and physical hazards, promoting the survival chance of moth pupae that resides inside. In the present investigation, the microstructure and thermal property of the Chinese tuss...
BACKGROUND Intestinal obstruction remains a common problem encountered in the surgical emergency, and usually occurs secondary to adhesions, obstructed herniae or tubercular strictures. However, at times, rare causes of obstruction can also be encountered. METHODS A 24-year-old male patient presented with recurrent episodes of intestinal obstruction that was found to be secondary to an abdomi...
Abdominal cocoon is a rare cause of intestinal obstruction. It is difficult to diagnose in most of the cases preoperatively. Surgical removal of the membrane resulted in complete recovery in the majority of the cases. The exact etiology of abdominal cocoon is still unknown. We reported a male patient who presented with features of intestinal obstruction and has been diagnosed as abdominal cocoo...
Abdominal cocoon is a rare disease which causes small-bowel obstruction that is characterized by a thick, fibrotic and cocoon-like membrane encapsulating total or partially the small bowel1,2,3. Its etiology remains unknown4,5. Surgical management is the treatment of choice1. In this report, it is described a young patient with abdominal cocoon who presented clinical signs and paraclinical find...
"Peritonitis fibrosa incapsulata", first described in 1907, is a condition characterized by encasement of the bowel with a thick fibrous membrane. This condition was renamed as "abdominal cocoon" in 1978. It presents as small bowel obstruction clinically. 35 cases of abdominal cocoon have been reported in the literature over the last three decades. Abdominal cocoon is more common in adolescent ...
Cocoon related characteristics are economically important traits in the silkworm, Bombyx mori L. (Lepidoptera: Bombycidae). In this study a genetic linkage map was developed that identified QTL controlling the cocoon weight, cocoon shell weight, and cocoon shell percentage using 161 amplified fragment length polymorphism (AFLP) markers. Twenty PstI/TaqI primer combinations were employed to geno...
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