The protein metabolism in pheasants when using vermiculture in combined feed biomass

Geysun, A. A.; Stepchenko, L. M.

doi:10.32819/2018.63002

Cited by 2 publications

(2 citation statements)

References 7 publications

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“…Це проявляється збільшенням умісту загального білка, альбумінів, креатиніну та сечової кислоти, але вміст глобулінів крові залишався однаковим. Кореляційний аналіз підтвердив наявність тісних зв'язків між показниками загального білка плазми крові та маси тіла фазанят за умови згодовування їм кормової добавки вермикультури (Geysun & Stepchenko, 2018).…”

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Determination of the level of safety of Humilid during biotesting at ciliates

Stepchenko¹,

Kryvaya²,

Chumak³

2019

TAVM

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The «Humilide»-Biologically Active Feed Supplement is a 10 % solution of humic acids that, by its antioxidant, immunostimulatory and antimicrobial properties, affects feed conversion, productivity and meat quality of farm animals. It is made according to TU In 15.7-00493675 004: 2009 in the conditions of the Research Laboratory of Humic Substances named of prof. L. A. Khristeva. Most of the work on the effects of the supplement has been done on poultry of different species and pigs. The available data on the safety of the feed additive «Humilide» were analyzed and biotested on Paramecium caudatum in accordance with the requirements of the current legislation in the field of control of veterinary preparations and feed additives. A series of Humilide dilutions of 0.1-100 g/l on the culture medium at ciliates were prepared for toxicological studies. Acute toxicity data of the tested concentrations were obtained according to the recommended methods of rapid bioassay. LC 50 values were determined by probit analysis of lethality curves. In solutions of «Humilide» 1.0 and 10 g/l within 1 hour of observation, the death of the protozoa was less than 10 % of the total number. A concentration of 100 g/l causes a decrease their quantity. According to the calculation of the toxicity of «Humilide» by the method of Bliss & Prozorovsky LC 50 for Paramecium caudatum is 104 g / l. Using the graphical method for calculating LC 50 from the obtained regression line, the result was 124 g/l. Thus, «Humilide» at a concentration of less than 1 % is non-toxic to protozoa, NOEC (No Observed Effect Concentration) is 2 g/l and EC 50 (Half maximal effective concentration) is 104-124 g/l. Therefore, the results on the activity of «Humilide» in relation to the Paramecium caudatum allow to classify it as a non-toxic substance, LC 50-over 5 000 mg/kg. It is IV class acute toxicity according to SP 8.8.1.2.002-98 (Ukraine) and international criteria-5 toxicity category. When converted to the content of humic acids in the composition of the sample, this corresponds to 10.4-12.4 g/l.

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Section: вступunclassified

Determination of the level of safety of Humilid during biotesting at ciliates

Stepchenko¹,

Kryvaya²,

Chumak³

2019

TAVM

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“…The chemical formula of vermiculite depends on the mineral deposit [ 12 ]. Elements such as potassium (K), sodium (Na), calcium (Ca), titanium (Ti), and chromium (Cr) may be present in small amounts.…”

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confidence: 99%

Vermikom feed additive effects on dairy cows' blood and milk parameters

et al. 2022

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Background and Aim: Dairy cattle breeding plays a significant role in providing the population with high-quality, reasonably priced goods. The development of this industry and its effectiveness depends on the proper use of available feed products. Feed additives (FAs), as a rule, should compensate for missing elements in the diet. This study aimed to determine the effect of the FA Vermikom on blood parameters, as well as milk physicochemical and mineral composition and yield in lactating dairy cows. Materials and Methods: A total of 30 Holstein cows, with an average weight of 650±5 kg, were randomly divided into three groups of 10. Over a period of 5 months, each group was fed one of three diets: Mixed main diet without supplements (control), main diet supplemented with 2% Vermikom, and main diet supplemented with 4% Vermikom. Results: Hematological parameters, productivity, and physicochemical and mineral composition of milk from animals provided the FA Vermikom were higher than those of the control group. In the Vermikom groups, the hemoglobin content was higher by 5.75%, calcium by an average of 10.8%, and total protein by 2.5%. The average daily milk yield was also higher by 8.4% than the control group. Regarding the mineral composition of the milk, the content of calcium, phosphorus, and iron exceeded that of the control on average by 2.9%, 3.4%, and 14.8%, respectively. Conclusion: We propose introducing 4% Vermikom into the diet of dairy cows based on the study results. Future research will expand our knowledge regarding cows' needs for all recommended nutrients, thereby improving animal productivity and milk quality. The results obtained contribute to further expanding the food base of animal husbandry in the Republic of Kazakhstan.

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The protein metabolism in pheasants when using vermiculture in combined feed biomass

Cited by 2 publications

References 7 publications

Determination of the level of safety of Humilid during biotesting at ciliates

Determination of the level of safety of Humilid during biotesting at ciliates

Vermikom feed additive effects on dairy cows' blood and milk parameters

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