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  artificial diet
It is shown that in larvae reared on an artificial diet, trophic indices depend on several factors, including the age and sex of larvae and the food plant on which the parental generation developed in nature.
      
The extracts were incorporated into artificial diet at a rate of 0.0% (control), 1.0%, 2.5%, 5.0%, and 10.0% (w/w).
      
Young hamsters were reared on an artificial diet with rice starch as carbohydrate and without added fat.
      
A practical artificial diet for the diamondback moth
      
A new artificial diet for the diamondback moth,Plutella Xylostella (L), had been selected out successfully.
      
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  artificial diets
The paper reviews the recent advances in studying grouper nutrition requirement for the development of cost-effective and environmentally friendly artificial diets.
      
Three groups of young white mice (strain NMRI) were reared on artificial diets without added fat, consisting of casein 20%, carbohydrate 74.3%, salt mixture 5%, vitamin mixture 0.5%, and choline chloride 0.2%.
      
The physical properties of artificial diets, texture, hardness, homogeneity, and water content are regulated by the addition of cellulose, agar, polysaccharide gums, and other large molecules.
      
This implies that certain combinations of non-specific nutritive substances, such as in artificial diets, can in principle support growth of insects, provided that the same dietary constituents also elicit feeding in the insects.
      
persicae of artificial diets from which each of the 20 dietary amino acids was individually omitted, or in the case of methionine, incorporated at different concentrations.
      
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  artificial feed
Proportional growth differences between the European and European X Chinese crossbreds, were several times higher in manured ponds than in ponds with artificial feed.
      
Although lipoprotein synthesis and transport were observed in larvae given artificial feed, they showed abnormalities in their intestinal mucosa.
      
In 18 to 19 d-old larvae given artificial feed, intestinal folds disappeared and the constituent cells showed limited differentiation.
      
An artificial feed-forward neural network with one hidden layer and error back-propagation learning is used to predict the geomagnetic activity index (Dst) one hour in advance.
      
The fish were cultured, without supplying artificial feed, from August 1994 to December 1995.
      
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In either case the first diet was given at hatching of the larvae, then the first method was to transfer the silkworm to a new diet at the beginning of 4th instar and the second method was to transfer the silkworms at the beginning of the 5th instar. Both of the scheduled feeding methods gave equivalent results on the growth of silkworms and no disease was found during rearing. The cocoon characters were similar to those under conventional rearing methods.

人工饲料全龄2次给饵法(1—3龄1次、4—5龄1次,1—4龄1次,5龄1次)育蚕的结果表明:幼虫发育良好,且无蚕病发生,茧质亦较优。本饲育法与对照区(全龄3次给饵育)相比,饲育劳力更节省,适用于人工饲料育的丝茧和蚕种生产。

The antiseptic effects of DF on artificial diet of Bombyx mori were studied and the results showed

用DF作为家蚕人工饲料的防腐剂,试验其防腐效果。结果表明,DF在高温多湿的养蚕环境中对家蚕人工饲料中的霉菌具有强烈抑制作用,防腐效果明显优于山梨酸和丙酸等防腐剂,添加2000ppm剂量,即可使饲料30天不生霉菌。在一定剂量范围内对蚕体发育无不良影响,其成本也比较便宜。

In this test, the 5th instar female larvae of silkworm were fed with 8 kinds of artificial diets with different content of defatted soybean meal and cellulose powder. The result showed as folloms :the larvae reared on the diet with 5. 62% protein survived only for 6. 12 days;those on 9. 12% protein only made a few cocoons and couldn 't pupate; and those on the diets with protein content higher than 12. 63% could make cocoons and pupate normally. With the increase of protein content from 9. 12% to 37. 18% , the...

In this test, the 5th instar female larvae of silkworm were fed with 8 kinds of artificial diets with different content of defatted soybean meal and cellulose powder. The result showed as folloms :the larvae reared on the diet with 5. 62% protein survived only for 6. 12 days;those on 9. 12% protein only made a few cocoons and couldn 't pupate; and those on the diets with protein content higher than 12. 63% could make cocoons and pupate normally. With the increase of protein content from 9. 12% to 37. 18% , the duration of 5th instar shortened from 10. 5 to 7. 0 days, weight of matured larvae increased from 2. 35g to 3. 93g, the dry food digested rised from 0. 40 to 0. 86 g, and digestibility increased from 14. 49 to 33. 08%. But the amount of the diet ingested and feces excreted during the whole instars were the highest in the larvae reared on diet with 12. 63% protein, and were the lowest with 37. 18% protein. Moreover,the weight of pupae, egg -laying amount and egg weight increased with the rising on protein content.

本试验用脱脂大豆粉和纤维素粉含量不同的8种人工饲料处理5龄雌蚕。结果用含蛋白质5.62%的饲料,蚕仅存活6.12天;含9.12%的,结茧少且不能化蛹,高于12.63%时能正常结茧化蛹。随着饲料蛋白质含量从9.12%增至37.18%,五龄经过从10.5缩短至7天,熟蚕体重从2.35克增至3.93克,干物消化量从0.40克升至0.86克,消化率从14.49%升至33.08%。但全龄干物食下量和排粪量则以取食蛋白质含量为12.63%的最高,而以取食37.18%的最低。蛹重和卵量也随五龄饲料蛋白含量升高而增加。

 
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