vetpressАграрная наукаAgrarian science0869-81552686-701XРедакция журнала "Аграрная наука"10.32634/0869-8155-2023-376-11-64-69vetpress-2857Research ArticleЗООТЕХНИЯ И ВЕТЕРИНАРИЯZOOTECHNICS AND VETERINARY MEDICINEВлияние липидной фракции личинок Чёрной львинки на продуктивность, резистентность и обменные процессы у телят молочного периода выращиванияInfluence of lipid fraction of Black Soldier fly larvae on productivity, resistance and metabolic processes in milk-fed period calveshttps://orcid.org/0000-0003-4242-2239НекрасовР. В.NekrasovR. V.

Роман Владимирович Некрасов, доктор сельскохозяйственных наук, профессор РАН

пос. Дубровицы, 60, Московская обл., 142132

Roman Vladimirovich Nekrasov, Doctor of Agricultural Sciences, Professor of the Russian Academy of Sciences

60 Dubrovitsy, Moscow region, 142132

nek_roman@mail.ruhttps://orcid.org/0000-0003-1889-6063ЧабаевМ. Г.ChabaevM. G.

Магомед Газиевич Чабаев, доктор сельскохозяйственных наук

пос. Дубровицы, 60, Московская обл., 142132

Magomed Gazievich Chabaev, Doctor of Agricultural Sciences

60 Dubrovitsy, Moscow region, 142132

chabaev.m.g-1@mail.ruТуаеваЕ. В.TuaevaE. V.

Евгения Викторовна Туаева, доктор сельскохозяйственных наук

пос. Дубровицы, 60, Московская обл., 142132

Evgenia Viktorovna Tuaeva, Doctor of Agricultural Sciences

60 Dubrovitsy, Moscow region, 142132

tuaeva80@mail.ruhttps://orcid.org/0000-0001-5164-244XНикановаД. А.NikanovaD. A.

Дарья Александровна Никанова, кандидат биологических наук

пос. Дубровицы, 60, Московская обл., 142132

Daria Aleksandrovna Nikanova, Candidate of Biological Sciences

60 Dubrovitsy, Moscow region, 142132

dap2189@gmail.comhttps://orcid.org/0000-0002-0520-7022БоголюбоваН. В.BogolyubovaN. V.

Надежда Владимировна Боголюбова, доктор биологических наук

пос. Дубровицы, 60, Московская обл., 142132

Nadezhda Vladimirovna Bogolyubova, Doctor of Biological Sciences

60 Dubrovitsy, Moscow region, 142132

652202@mail.ruШаповаловС. О.ShapovalovS. O.

Сергей Олегович Шаповалов, доктор биологических наук

ул. Дорожная, 14, дер. Яковлевское, Москва, 143340

Sergey Olegovich Shapovalov, Doctor of Biological Sciences

14 Dorozhnaya Str., Yakovlevskoye village, Moscow, 143340

s.shapovalov@cherkizovo.comИвановГ. А.IvanovG. A.

Геннадий Анатольевич Иванов, генеральный директор

ул. Мельникова, 7, г. Новодвинск, Архангельская обл., 164900

Gennady Anatolyevich Ivanov, General Director

7 Melnikov Str., Novodvinsk, Arkhangelsk region, 164900

mipnts@mail.ruФедеральный исследовательский центр животноводства – ВИЖ им. академика Л.К. ЭрнстаРоссияFederal Research Center for Animal Husbandry named after Academy Member L.K. ErnstRussian FederationООО НИЦ «Черкизово»РоссияLLC SIC CherkizovoRussian FederationООО «НордТехСад»РоссияNordTekhSad LLCRussian Federation2023251120230116469Copyright © Некрасов Р.В., Чабаев М.Г., Туаева Е.В., Никанова Д.А., Боголюбова Н.В., Шаповалов С.О., Иванов Г.А., 20232023Некрасов Р.В., Чабаев М.Г., Туаева Е.В., Никанова Д.А., Боголюбова Н.В., Шаповалов С.О., Иванов Г.А.Nekrasov R.V., Chabaev M.G., Tuaeva E.V., Nikanova D.A., Bogolyubova N.V., Shapovalov S.O., Ivanov G.A.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.vetpress.ru/jour/article/view/2857Актуальность

Актуальность. Имеются данные о повышении иммунитета у животных при скармливании им компонентов из личинок насекомых.

Цели исследований – изучение некоторых сторон состава и бактерицидных свойств липидной фракции, полученной из биомассы личинок Чёрной львинки (ЛЧЛ-лф); установление эффективности использования ЛЧЛ-лф в качестве добавки к рациону телят молочного периода выращивания.

Методика

Методика. Научно-хозяйственный опыт по изучению действия различных уровней использования липидной фракции, полученной из биомассы личинок Чёрной львинки, в рационах телят молочного (с 59-го по 123-й день) периода выращивания проведен в АО «Молоди» Московской области. Животным контрольной группы скармливался сбалансированный по энергии и питательным веществам рацион, 1-й опытной дополнительно к основному рациону ежедневно (индивидуально) в утреннее кормление скармливали 5 г ЛЧЛ-лф, 2-й опытной – 10 г ЛЧЛ-лф.

Результаты

Результаты. Жирнокислотный состав ЛЧЛ-лф: сумма насыщенных ЖК – 85,9%, лауриновой кислоты – 55,6%. Антимикробные свойства экстракта из ЛЧЛ-лф в значительной степени отмечены в отношении грамположительных бактерий. Отмечено, что скармливание личинок в диетах молодняка улучшало бактерицидные свойства сыворотки крови подопытных животных – с 31,4 до 42,9–48,6% (р < 0,05). Более высоким в крови животных 2-й группы было содержание эритроцитов (11,6% против 10,3 × 1012/л в контроле, p = 0,08) и гематокрита (40,9 против 37,1% в контроле, p = 0,02), что свидетельствует о повышении окислительно-восстановительной способности крови подопытных животных. В крови животных опытных групп повышалось содержание свободных водорастворимых антиоксидантов – с 14,8 мг/л в контроле до 17,8 мг/л (p = 0,08) и до 15,7 мг/л (p = 0,39) в крови животных опытных групп, 1-й и 2-й соответственно. В целом за двухмесячный период опыта увеличение ССП составило: в 1-й группе – 8,4%, во 2-й группе – 18,7% по сравнению с контролем (703,1–769,5 г против 648,4 г, p < 0,05).

Relevance

Relevance. There is evidence of increased immunity in animals when they are fed components from insect larvae. The research objectives are to study some aspects of the composition and bactericidal properties of the lipid fraction obtained from the biomass of Black Lion larvae (LCL-lf); to establish the effectiveness of using LCL-lf as an additive to the diet of calves of the dairy growing period.

Methodology

Methodology. Scientific and economic experience in studying the effect of various levels of use of the lipid fraction obtained from the biomass of Black Lion larvae in the diets of dairy calves (from the 59th to the 123rd day) of the growing period was carried out in JSC «Molodi» of the Moscow region. The animals of the control group were fed a balanced diet in terms of energy and nutrients, the 1st experimental in addition to the main diet daily (individually) in the morning feeding was fed 5 g of LCHL-lf, the 2nd experimental – 10 g of LCHL-lf.

Results

Results. Fatty acid composition of LCHL-lf: the sum of saturated LC – 85.9%, lauric acid – 55.6%. The antimicrobial properties of the extract from LCL-lf are largely noted in relation to gram-positive bacteria. It was noted that feeding larvae in the diets of young animals improved the bactericidal properties of the blood serum of experimental animals – from 31.4 to 42.9–48.6% (p < 0.05). The content of erythrocytes (11.6% vs. 10.3 × 1012/l in the control, p = 0.08) and hematocrit (40.9 vs. 37.1% in the control, p = 0.02) was higher in the blood of group 2 animals, which indicates an increase in the redox capacity of the blood of experimental animals. In the blood of animals of the experimental groups, the content of free water–soluble antioxidants increased – from 14.8 mg/l in the control to 17.8 mg/l (p = 0.08) and to 15.7 mg/l (p = 0.39) in the blood of animals of the experimental groups, 1st and 2nd, respectively. In general, over the two-month period of the experiment, the increase in SSP was: in group 1 – 8.4%, in group 2 – 18.7% compared with the control (703.1–769.5 g vs. 648.4 g, p < 0.05).

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The authors declare that there are no conflicts of interest present.