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diet
Chinese Early Cretaceous birds had experienced a significant differentiation in morphology, flight, diet and habitat.
      
For each test group, 20 loaches with similar body size (5.17-7.99 g; 11.79-13.21 cm) were selected and kept in aquaria with dechlorinated water at (22±1)°C and fed a commercial diet every 48 h.
      
Diet composition of post-metamorphic bullfrogs (Rana catesbeiana) in the Zhoushan archipelago, Zhejiang Province, China
      
The analysis of the stomach contents shows that, for adult bullfrogs, the most important prey (by diet volume) overall were Decapoda, Coleoptera, Odonata, Mesogastropoda, Raniformes, and Cypriniformes.
      
Moreover, the prey size and diet volume increased with the body size of both adult and juvenile bullfrogs.
      
The diet composition of primary preys of bullfrogs was significantly different among the islands.
      
The enrolled included control (basic chow), hyperlipidemia and fenofibrate-treated groups (high fat diet).
      
The hyperlipidemia model was set up by four-week atherogenic diet, followed by a 16-week treatment in the fenofibrate-treated group (fenofibrate 40 mg/kg every day) and without treatment in the hyperlipidemia group, respectively.
      
subtilis 8130 to the diet of pigs (0.2% of fodder weight) made it possible to increase the daily weight gain by 19% and decrease the consumption of mixed fodder by 10%.
      
Our study confirms the presence of chitinolytic, chitosanolytic, and deacetylase activities in the hepatopancreas of the red king crab, related to the specific diet of this species.
      
When provided with two kinds of standard laboratory food (about 20% and 0% digestible protein, respectively) ad libitum(cafeteria diet), the voles chose a diet of 14% protein.
      
When provided with a protein-free diet alone, the animals lost 0.90 ± 0,05 mg N/ g body mass per day, comprising about 3% of their body mass daily.
      
It was proposed that the consumption of a low-fiber diet (about 4% in both kinds of food) could affect the gastrointestinal bacterial flora and, thus, lead to changes in the primarily herbivorous nitrogen metabolism.
      
Under the same cage conditions and free access to food, all three species have similar energy value of their daily diet.
      
Apparently, this contribution depends on the fish diet.
      
As against zooplankton, the biomass of zoobenthos features much less contingencies with the biomass of microalgae as well as zooplankton, since detritus, higher plant tissues, and small animals are the basis of the diet of benthic organisms.
      
Benthic bacteria insignificantly contributed to the scallop diet.
      
The addition of plaferon LB to the diet attenuated the cytotoxic effect of toluene.
      
In the eye, in contrast to the gut, a constant level of β-carotene (1.3-1.4 μg/g wet weight) is found regardless of the diet.
      
This phenomenon remained unchanged over three years of feeding of the cockroaches with the carotenoid-deficient diet, suggesting that P.
      
 

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