Utilization of fermented silkworm pupae silage in feed for carps

Rangacharyulu, P. V.; Giri, S.S.; Paul, B.N.; Yashoda, K.; Rao, R. Jagannatha; Mahendrakar, N. S.; Mohanty, S.N.; Mukhopadhyay, Pratap Kumar

doi:10.1016/s0960-8524(02)00113-x

Cited by 48 publications

(36 citation statements)

References 3 publications

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“…Experiments demonstrated that the pupae, being non-toxic and highly nutritious Per Se, can be regarded as a top class unconventional protein and energy feed and utilized directly for poultry and fisheries (Khatun et al 2005;Rangacharyulu et al 2003). Oral administration is considered a most practicable method for shrimp culture, but the apparent destruction of the proteins in the digestive tract brought about its potential drawback, namely, the reduced efficiency.…”

Section: Discussionmentioning

confidence: 99%

Effects of oral recombinant VP28 expressed in silkworm (Bombyx mori) pupa on immune response and disease resistance of Procambarus clarkii

Wei

2009

World J Microbiol Biotechnol

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The envelope protein VP28 of white spot syndrome virus (WSSV) was overexpressed in the silkworm Bombyx mori, which was achieved by using a baculovirus (HyNPV) expression system and by making silkworm pupa as an alternative host, and then it was directly supplemented in diet at a dose of 20 g kg -1 without purification. During a 30 day feeding period, the levels of phenoloxidase (PO) and superoxide dismutase (SOD) in the haemolymph of the tested Procambarus clarkii increased greatly (P \ 0.05) when compared to the control crayfish fed with wild-type HyNPV baculovirusinfected silkworms or normal silkworms. Compared with two controls, the crayfish which had been infected for 20 days showed a significantly lower (P \ 0.05) mean cumulative mortality (15.6%), which respectively, resulted in relative percent survivals (RPS) of 83.7 and 84.4%. The efficacy to inhibition of viral infection was further studied by in situ hybridization with a WSSV-specific DNA probe. The high levels of PO and SOD might be important for developing resistance against WSSV in these crayfish.

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Section: Discussionmentioning

confidence: 99%

Effects of oral recombinant VP28 expressed in silkworm (Bombyx mori) pupa on immune response and disease resistance of Procambarus clarkii

Wei

2009

World J Microbiol Biotechnol

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“…Brewery waste in the supplementary feed of rohu at 30% replacement of fish meal has shown satisfactory growth performance of fishes (Kaur and Saxena 2004). Replacement of fish meal by animal by-products like fermented silk worm pupae silage in the feed of carp (Rangacharyulu et al 2003) and shrimp industry waste in the feed of tilapia (Cavalheiro et al 2007) has shown promising results.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of corn steep liquor as a supplementary feed for Labeo rohita (Ham.) fingerlings

2010

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The effects of corn steep liquor (CSL), a by-product of corn starch industry, in the fish diet at 25% (D1), 50% (D2) and 75% (D3) replacement of fish meal are investigated on the growth of Labeo rohita (rohu) fingerlings. Formulated feeds were isonitrogenous (39% crude protein) and iso-energetic (15.8 kJ/g). The CSL is found to be rich in protein (43.48%), lactic acid (20.79%) and minerals and is free from fibres, phytic acid and trypsin inhibitors. The sulphur amino acid content of CSL is found to be 2.43%, though it is deficient in lysine (0.73%). With diets D1 and D2, growth performance and feed efficiency in terms of weight gain, specific growth rate (SGR), feed intake, feed conversion ratio (FCR) and protein efficiency ratio (PER) as well as apparent digestibility (APD and ALD) were higher when compared to CD. With diet D3, they were similar to CD. Up to 50% level of CSL in the diets (D1 and D2), the protein and lipid contents of carcass were significantly higher (P \ 0.05) when compared to CD. The digestive enzyme activities are found to be similar in all the diet groups. The findings suggest that in the diet of rohu, fish meal can be replaced up to 75% level with CSL without hampering the growth of the fishes. The CSL appear to be a better plant protein source as partial replacement of fish meal.

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“…There has been a considerable research effort towards utilization of less expensive renewable ingredients in fish diet formulations to alleviate problems related to shortage of quality fish meal (Pongmaneerat et al 1993, El Sayed 1994, Rangacharyulu et al 2003, Yang et al 2004, Mukhopadhyay and Mitra 2007. Fish offal, which is generated in large quantities on a daily basis in the urban and sub-urban markets in India, has immense potential to be used as a predominant nutrient source in fish diet formulations.…”

Section: Introductionmentioning

confidence: 99%

“…The process of fermentation improves nutritional quality of animal product also. Rangacharyulu et al (2003) observed that fermented silk worm pupae silage (SWP) was nutritionally superior to untreated SWP or fishmeal. Bertsch and Coello (2005) used a strain of keratinolytic bacteria to ferment poultry feather and obtained poultry feather meal with 71% crude protein and improved bioavailability of some amino acids.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of fermented fish offal in formulated diet of the Indian major carp, rohu, Labeo rohita (Hamilton)

Mondal¹,

Kaviraj²,

Mukhopadhyay³

et al. 2007

Acta Icth et Piscat

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. 2007. Evaluation of fermented fish offal in formulated diet of the Indian major carp, rohu, Labeo rohita (Hamilton). Acta Ichthyol. Piscat. 37 (2): 99-105.Background. Carp fish offal contains high amount of protein and lipid. The quest for protein sources alternative to fish meal has been a priority in aquaculture research because of growing concerns on the future availability of fish meal for incorporation in fish diets. This study determined the extent to which carp fish offal could be fermented and used to replace fish meal in the formulation of diet for fingerlings of Labeo rohita. Materials and Methods. Fish offal, comprising viscera of carp, was fermented along with mustard oil cake and rice bran anaerobically by a microbial suspension (10 8 cells · mL -1 ) under ambient temperature (27-30ºC). The fermented mixture was mixed with fish meal, mineral-and vitamin mixture to prepare three experimental diets: 1) a reference diet (T1), without any fermentation mixture, containing 40% fish meal, 2) a diet containing 25% fish offal (fermented) and 25% fish meal (T2), and 3) a diet containing 30% fish offal (fermented) and 20% fishmeal (T3). These diets were tested to evaluate growth and biochemical composition of the body of the fingerlings of Labeo rohita and apparent protein digestibility (APD) and intake rate of the diets by the fish. Proximate analysis of feed ingredients, experimental diets, faecal samples and the carcass were performed following the AOAC procedures. Results. Fingerlings of Labeo rohita, reared for 60 days with the diets containing fermented fish offal mixture (T2 and T3), showed higher growth and higher values of protein and lipid in the carcass than those reared with the reference diet (T1). Apparent protein digestibility of the diets did not vary significantly, but average feed intake rate of the T2 and T3 diets were higher than the T1 diet. Conclusions. Fermented fish offal is a viable alternative of fish meal in the formulation of diet for fingerlings of Labeo rohita. Fifty percent replacement of fish meal is possible by a mixture containing 30% fish offal. Further studies are required to improve quality of the fermentation mixture and increase the rate of replacement of fish meal.Keywords: fish offal, recycling, fishmeal, protein, growth, rohu, Labeo rohita ascertained as nutrient sources probably because of inherent difficulties in handling it either in dried or in raw condition. While drying of the offal results in considerable loss of the nutrients, its direct use leads to rapid spoilage of the whole diet. In the present study an attempt was made to evaluate if fish offal (FO) could be fermented and used to replace fish meal (FM) in the preparation of formulated fish diet. The process of fermentation or composting is widely employed in fish diet formulation to decrease the anti-nutritional factors and crude fibre content of plant diet stuff Das 1992, Bairagi et al. 2002). The process of fermentation improves nutritional quality of animal product also. Rangacharyulu et al. (2003) o...

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Utilization of fermented silkworm pupae silage in feed for carps

Cited by 48 publications

References 3 publications

Effects of oral recombinant VP28 expressed in silkworm (Bombyx mori) pupa on immune response and disease resistance of Procambarus clarkii

Effects of oral recombinant VP28 expressed in silkworm (Bombyx mori) pupa on immune response and disease resistance of Procambarus clarkii

Evaluation of corn steep liquor as a supplementary feed for Labeo rohita (Ham.) fingerlings

Evaluation of fermented fish offal in formulated diet of the Indian major carp, rohu, Labeo rohita (Hamilton)

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