Abstract The study aimed to evaluate metabolic parameters, nutrient intake, and absorption of two diets formulated for Dasypus novemcinctus armadillos under human care. Were studied two diets: D1—a diet with dry dog food, ground beef, and boiled chicken egg with shells; D2—a diet with the same ingredients as D1, with added banana and papaya. Both are mixed in water. The parameters analyzed were body weight (BW), weight gain (WG), maintenance energy requirement (MER), Lee index, biometrics, body condition score, glucose, triglycerides, total cholesterol, and cholesterol fractions for eight male armadillos. Dietary intake (DI) and efficiency, nutrient intake, metabolizable energy, and digestibility coefficient for the diets were evaluated in six male armadillos. The diet that included fruits showed higher BW, WG, MER, Lee index, and better glucose metabolism. Both diets promoted increases in WG and Lee Index, as well as improvements in glucose metabolism. The diet without fruit improved the lipid profile of the animals. D2 presented the highest DI, better dietary efficiency, and higher energy intake but also a lower crude fiber intake. However, it showed the best utilization of gross fiber and all other nutrients. In conclusion, the diets constituted an adequate nutritional option for captive armadillos and can be used in malnutrition and pathological processes recovery. Although both diets were adequate, the nonfruit diet was preferable due to the improved lipid profile. 

Intake and digestibility of two diets for nine-banded armadillos (Dasypus novemcinctus: Linnaeus, 1758) kept under human care.

The Ukrainian people’s diet lacks a number of biologically active substances. But their addition to the food is not effective enough as aggressive bodily fluids influence their activity and substantially reduce it. There are undesirable changes in the properties of biologically active substances during their storage, too. That is why it is so urgent a task to increase the effectiveness of biologically active substances by compounding them with polysaccharides in order to protect them from the unfriendly environment. It has been considered how practical it is to form a complex of papain and maize germs arabinoxylan to modify the properties of the enzyme in the intended direction. It has been proved that the complex formation taking place when biopolymer solutions are combined results in the enzyme activity increase. A number of factors (the concentrations of biopolymers solutions, their volumetric ratios, the duration of the contact, pH medium) influencing the enzyme activity in the complex have been studied. The rational conditions have been determined under which a complex can be obtained far more active than the original papain. These conditions are: a 0.25 % polysaccharide solution mixed with a 4.0 % enzyme solution, with the volumetric ratio being 1:1 and pH 6, at room temperature, for 20 minutes. Introducing papain into the complex makes it more resistant to pH and temperature changes. For the physiological pH values ranging 2 to 8, the enzyme activity in the complex composition is higher than free papain. Complex formation increases the enzyme resistance to higher temperatures, especially in the first 90 minutes. Obtaining of the complex is proved by thermogravimetric analysis.

Obtaining and characteristics of a papain and maize arabinoxylan complex

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Obtaining and characteristics of a papain and maize arabinoxylan complex