13 research outputs found

    [Towards advanced biotechnological developments to realize the genetic potential of egg-type poultry] НаправлСния соврСмСнных биотСхнологичСских Ρ€Π°Π·Ρ€Π°Π±ΠΎΡ‚ΠΎΠΊ для Ρ€Π΅Π°Π»ΠΈΠ·Π°Ρ†ΠΈΠΈ гСнСтичСского ΠΏΠΎΡ‚Π΅Π½Ρ†ΠΈΠ°Π»Π° яичной ΠΏΡ‚ΠΈΡ†Ρ‹

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    Realization of the genetic potential of laying hens makes it feasible to achieve the maximum possible yield of egg products against, while using effective feed compositions and various feed additives. Implementation of molecular genetic technologies for the analysis of intestinal microbiota and the expression of key genes for productivity and resistance is an important tool in studying mechanisms of the effects of feed preparations on microorganism of birds. Within the framework of the project for the development of modern biotechnologies to assess gene expression, we carried out an experiment to assess influence of human recombinant interferon alpha-2b on the expression of genes for productivity and immunity in laying hens. A positive effect of the additive on the immune system of birds and the effectiveness of molecular genetic technologies for assessing the expression of key genes and the use of the studied additives in feeding of egg-type poultry have been shown. РСализация гСнСтичСского ΠΏΠΎΡ‚Π΅Π½Ρ†ΠΈΠ°Π»Π° ΠΊΡƒΡ€-Π½Π΅ΡΡƒΡˆΠ΅ΠΊ позволяСт Π΄ΠΎΡΡ‚ΠΈΠ³Π°Ρ‚ΡŒ максимально Π²ΠΎΠ·ΠΌΠΎΠΆΠ½Ρ‹ΠΉ Π²Ρ‹Ρ…ΠΎΠ΄ яичной ΠΏΡ€ΠΎΠ΄ΡƒΠΊΡ†ΠΈΠΈ Π½Π° Ρ„ΠΎΠ½Π΅ примСнСния эффСктивных ΠΊΠΎΠΌΠΏΠΎΠ·ΠΈΡ†ΠΈΠΉ ΠΊΠΎΡ€ΠΌΠΎΠ² ΠΈ Ρ€Π°Π·Π»ΠΈΡ‡Π½Ρ‹Ρ… ΠΊΠΎΡ€ΠΌΠΎΠ²Ρ‹Ρ… Π΄ΠΎΠ±Π°Π²ΠΎΠΊ. Π’Π½Π΅Π΄Ρ€Π΅Π½ΠΈΠ΅ молСкулярно-гСнСтичСских Ρ‚Π΅Ρ…Π½ΠΎΠ»ΠΎΠ³ΠΈΠΉ для Π°Π½Π°Π»ΠΈΠ·Π° ΠΌΠΈΠΊΡ€ΠΎΠ±ΠΈΠΎΡ‚Ρ‹ ΠΊΠΈΡˆΠ΅Ρ‡Π½ΠΈΠΊΠ° ΠΈ экспрСссии ΠΊΠ»ΡŽΡ‡Π΅Π²Ρ‹Ρ… Π³Π΅Π½ΠΎΠ² продуктивности ΠΈ рСзистСнтности являСтся Π²Π°ΠΆΠ½Ρ‹ΠΌ инструмСнтом Π² исслСдовании ΠΌΠ΅Ρ…Π°Π½ΠΈΠ·ΠΌΠΎΠ² воздСйствия ΠΊΠΎΡ€ΠΌΠΎΠ²Ρ‹Ρ… ΠΏΡ€Π΅ΠΏΠ°Ρ€Π°Ρ‚ΠΎΠ² Π½Π° ΠΌΠ°ΠΊΡ€ΠΎΠΎΡ€Π³Π°Π½ΠΈΠ·ΠΌ ΠΏΡ‚ΠΈΡ†Ρ‹. Π’ Ρ€Π°ΠΌΠΊΠ°Ρ… ΠΏΡ€ΠΎΠ΅ΠΊΡ‚Π° ΠΏΠΎ Ρ€Π°Π·Ρ€Π°Π±ΠΎΡ‚ΠΊΠ΅ соврСмСнных Π±ΠΈΠΎΡ‚Π΅Ρ…Π½ΠΎΠ»ΠΎΠ³ΠΈΠΉ для ΠΎΡ†Π΅Π½ΠΊΠΈ экспрСссии Π³Π΅Π½ΠΎΠ² Π½Π°ΠΌΠΈ осущСствлСн экспСримСнт ΠΏΠΎ ΠΈΠ·ΡƒΡ‡Π΅Π½ΠΈΡŽ чСловСчСского Ρ€Π΅ΠΊΠΎΠΌΠ±ΠΈΠ½Π°Π½Ρ‚Π½ΠΎΠ³ΠΎ ΠΈΠ½Ρ‚Π΅Ρ€Ρ„Π΅Ρ€ΠΎΠ½Π° Π°Π»ΡŒΡ„Π°-2b Π½Π° ΡΠΊΡΠΏΡ€Π΅ΡΡΠΈΡŽ Π³Π΅Π½ΠΎΠ² продуктивности ΠΈ ΠΈΠΌΠΌΡƒΠ½ΠΈΡ‚Π΅Ρ‚Π° Ρƒ ΠΊΡƒΡ€-Π½Π΅ΡΡƒΡˆΠ΅ΠΊ. ΠŸΠΎΠΊΠ°Π·Π°Π½Ρ‹ ΠΏΠΎΠ»ΠΎΠΆΠΈΡ‚Π΅Π»ΡŒΠ½ΠΎΠ΅ влияниС ΠΏΡ€Π΅ΠΏΠ°Ρ€Π°Ρ‚Π° Π½Π° ΠΈΠΌΠΌΡƒΠ½Π½ΡƒΡŽ систСму ΠΏΡ‚ΠΈΡ† ΠΈ ΡΡ„Ρ„Π΅ΠΊΡ‚ΠΈΠ²Π½ΠΎΡΡ‚ΡŒ молСкулярно-гСнСтичСских Ρ‚Π΅Ρ…Π½ΠΎΠ»ΠΎΠ³ΠΈΠΉ для ΠΎΡ†Π΅Π½ΠΊΠΈ экспрСссии ΠΊΠ»ΡŽΡ‡Π΅Π²Ρ‹Ρ… Π³Π΅Π½ΠΎΠ² ΠΈ использования ΠΈΠ·ΡƒΡ‡Π°Π΅ΠΌΡ‹Ρ… Π΄ΠΎΠ±Π°Π²ΠΎΠΊ Π² ΠΊΠΎΡ€ΠΌΠ»Π΅Π½ΠΈΠΈ яичной ΠΏΡ‚ΠΈΡ†Ρ‹

    [Mathematical assessment of BAC-based interspecies hybridization data in the process of genomic mapping in the white-throated sparrow as an avian behavioral model] ΠœΠ°Ρ‚Π΅ΠΌΠ°Ρ‚ΠΈΡ‡Π΅ΡΠΊΠ°Ρ ΠΎΡ†Π΅Π½ΠΊΠ° Π΄Π°Π½Π½Ρ‹Ρ… ΠΌΠ΅ΠΆΠ²ΠΈΠ΄ΠΎΠ²ΠΎΠΉ Π‘ΠΠš-Π³ΠΈΠ±Ρ€ΠΈΠ΄ΠΈΠ·Π°Ρ†ΠΈΠΈ Π² процСссС Π³Π΅Π½ΠΎΠΌΠ½ΠΎΠ³ΠΎ картирования Ρƒ бСлошСйной Π·ΠΎΠ½ΠΎΡ‚Ρ€ΠΈΡ…ΠΈΠΈ ΠΊΠ°ΠΊ ΠΌΠΎΠ΄Π΅Π»ΠΈ повСдСния ΠΏΡ‚ΠΈΡ†

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    The white-throated sparrow (Zonotrichia albicollis) known for its morphological, behavioral and chromosomal polymorphisms represents a quite new model system to study genomic mechanisms underlying variable behavioral repertoire interwoven with population biology, reproduction and adaptation in this species. It was previously shown that these polymorphisms could be due to chromosomal rearrangements (inversions) on sparrow chromosome 2 (ZAL2) that is characterized by a heterogeneity in two distinct morphs, tan (ZAL2/ZAL2) and white (ZAL2/ZAL2m). To construct a comparative genomic map of ZAL2 and other chromosomes, we used a sparrow genomic BAC library, CHORI-264. Following a cross-species overgo hybridization approach, we screened the library and developed a first-generation BAC-based comparative physical map using the chicken and zebra finch reference genomes. The map includes 640 BAC-gene assignments for 77 loci and serves for further refining the genomic regions and identifying candidate genes that are affected by rearrangements and contribute to the observed behavioral polymorphisms. Mathematical assessment of the BAC-based hybridization data was undertaken to show evolutionary relationships of avian genomes. Π’ настоящСй Ρ€Π°Π±ΠΎΡ‚Π΅ прСдставлСна матСматичСская ΠΎΡ†Π΅Π½ΠΊΠ° ΠΌΠ΅ΠΆΠ²ΠΈΠ΄ΠΎΠ²ΠΎΠΉ Π‘ΠΠš-Π³ΠΈΠ±Ρ€ΠΈΠ΄ΠΈΠ·Π°Ρ†ΠΈΠΈ Π² процСссС Π³Π΅Π½ΠΎΠΌΠ½ΠΎΠ³ΠΎ картирования Ρƒ бСлошСйной Π·ΠΎΠ½ΠΎΡ‚Ρ€ΠΈΡ…ΠΈΠΈ – Π²ΠΈΠ΄Π° Π²ΠΎΡ€ΠΎΠ±ΡŒΠ΅Π², рассматриваСмого Π² качСствС ΡƒΠ΄ΠΎΠ±Π½ΠΎΠΉ ΠΌΠΎΠ΄Π΅Π»ΠΈ повСдСния ΠΏΡ‚ΠΈΡ†

    [Research in the International Laboratory of Molecular Genetics and Genomics of Poultry, FSBEI HE MGAVMiB – MBA named after K. I. Skryabin] ИсслСдования ΠΌΠ΅ΠΆΠ΄ΡƒΠ½Π°Ρ€ΠΎΠ΄Π½ΠΎΠΉ Π»Π°Π±ΠΎΡ€Π°Ρ‚ΠΎΡ€ΠΈΠΈ молСкулярной Π³Π΅Π½Π΅Ρ‚ΠΈΠΊΠΈ ΠΈ Π³Π΅Π½ΠΎΠΌΠΈΠΊΠΈ ΠΏΡ‚ΠΈΡ†Ρ‹ Π€Π“Π‘ΠžΠ£ Π’Πž ΠœΠ“ΠΠ’ΠœΠΈΠ‘ – MBA ΠΈΠΌΠ΅Π½ΠΈ К. И. Бкрябина

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    The development of research in the International Laboratory of Molecular Genetics and Genomics of Poultry at the Moscow State Academy of Medical Sciences - MBA named after K.I.Skryabin in 2017-2020 is considered. The results of the main scientific research of the laboratory team achieved during the implementation of the project under Contract No. 14.W03.31.0013 dated 20.02.2017 on the topic "Development of modern biotechnologies for assessing gene expression in connection with productivity and resistance to diseases in poultry" in 2020 are presented. РассматриваСтся Ρ€Π°Π·Π²ΠΈΡ‚ΠΈΠ΅ исслСдований Π² ΠΌΠ΅ΠΆΠ΄ΡƒΠ½Π°Ρ€ΠΎΠ΄Π½ΠΎΠΉ Π»Π°Π±ΠΎΡ€Π°Ρ‚ΠΎΡ€ΠΈΠΈ молСкулярной Π³Π΅Π½Π΅Ρ‚ΠΈΠΊΠΈ ΠΈ Π³Π΅Π½ΠΎΠΌΠΈΠΊΠΈ ΠΏΡ‚ΠΈΡ†Ρ‹ Π€Π“Π‘ΠžΠ£ Π’Πž ΠœΠ“ΠΠ’ΠœΠΈΠ‘ – MBA ΠΈΠΌΠ΅Π½ΠΈ К. И. Бкрябина Π² 2017-2020 Π³ΠΎΠ΄Π°Ρ…. ΠŸΡ€ΠΈΠ²Π΅Π΄Π΅Π½Ρ‹ Ρ€Π΅Π·ΡƒΠ»ΡŒΡ‚Π°Ρ‚Ρ‹ основных Π½Π°ΡƒΡ‡Π½Ρ‹Ρ… исслСдований ΠΊΠΎΠ»Π»Π΅ΠΊΡ‚ΠΈΠ²Π° Π»Π°Π±ΠΎΡ€Π°Ρ‚ΠΎΡ€ΠΈΠΈ достигнутых Π² Ρ…ΠΎΠ΄Π΅ выполнСния ΠΏΡ€ΠΎΠ΅ΠΊΡ‚Π° ΠΏΠΎ Π”ΠΎΠ³ΠΎΠ²ΠΎΡ€Ρƒ β„– 14.W03.31.0013 ΠΎΡ‚ 20.02.2017 ΠΏΠΎ Ρ‚Π΅ΠΌΠ΅ Β«Π Π°Π·Ρ€Π°Π±ΠΎΡ‚ΠΊΠ° соврСмСнных Π±ΠΈΠΎΡ‚Π΅Ρ…Π½ΠΎΠ»ΠΎΠ³ΠΈΠΉ для ΠΎΡ†Π΅Π½ΠΊΠΈ экспрСссии Π³Π΅Π½ΠΎΠ² Π² связи с ΠΏΡ€ΠΎΠ΄ΡƒΠΊΡ‚ΠΈΠ²Π½ΠΎΡΡ‚ΡŒΡŽ ΠΈ ΡƒΡΡ‚ΠΎΠΉΡ‡ΠΈΠ²ΠΎΡΡ‚ΡŒΡŽ ΠΊ заболСваниям Π² птицСводствС» Π² 2020 Π³ΠΎΠ΄Ρƒ

    [New biotechnologies and feed additives for solving the problems of poultry production] НовыС Π±ΠΈΠΎΡ‚Π΅Ρ…Π½ΠΎΠ»ΠΎΠ³ΠΈΠΈ ΠΈ ΠΊΠΎΡ€ΠΌΠΎΠ²Ρ‹Π΅ Π΄ΠΎΠ±Π°Π²ΠΊΠΈ ΠΏΡ€ΠΈΠΌΠ΅Π½ΠΈΡ‚Π΅Π»ΡŒΠ½ΠΎ ΠΊ Ρ€Π΅ΡˆΠ΅Π½ΠΈΡŽ ΠΏΡ€ΠΎΠ±Π»Π΅ΠΌ птицСводства

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    ΠΊ.Π±.Π½. Π ΠΎΠΌΠ°Π½ΠΎΠ² М.Н., Π΄. с.-Ρ…. Π½. ΠšΠΎΡ‡ΠΈΡˆ И.И., ΠΊ.ΠΏ.Π½. Π‘Π΅Π»ΠΈΠ½Π° М.Π’. Π‘ΠΎΠ²Ρ€Π΅ΠΌΠ΅Π½Π½ΠΎΠ΅ птицСводство ΠΏΡ€Π΅Π²Ρ€Π°Ρ‚ΠΈΠ»ΠΎΡΡŒ Π² ΠΌΠΈΡ€ΠΎΠ²ΠΎΠΌ ΠΌΠ°ΡΡˆΡ‚Π°Π±Π΅ Π² Π²Ρ‹ΡΠΎΠΊΠΎΡ€Π΅Π½Ρ‚Π°Π±Π΅Π»ΡŒΠ½ΡƒΡŽ ΠΈ Π²Ρ‹ΡΠΎΠΊΠΎΡ‚Π΅Ρ…Π½ΠΎΠ»ΠΎΠ³ΠΈΡ‡Π½ΡƒΡŽ ΠΎΡ‚Ρ€Π°ΡΠ»ΡŒ производства мяса ΠΈ яиц ΠΏΡ‚ΠΈΡ†Ρ‹. Π’ России этот сСктор сСльского хозяйства Ρ‚Π°ΠΊΠΆΠ΅ находится Π½Π° подъСмС, Ρ‡Ρ‚ΠΎ стимулируСт поиск ΠΈ использованиС Π½ΠΎΠ²Ρ‹Ρ… Ρ‚Π΅Ρ…Π½ΠΎΠ»ΠΎΠ³ΠΈΠΉ для ΠΎΡ†Π΅Π½ΠΊΠΈ Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΎΠ½Π°Π»ΡŒΠ½ΠΎΠ³ΠΎ состояния ΠΏΡ‚ΠΈΡ†Ρ‹, Π΅Π΅ ΠΏΠΎΡ‚Π΅Π½Ρ†ΠΈΠ°Π»Π° продуктивности ΠΈ устойчивости ΠΊ заболСваниям, примСнСния Π½ΠΎΠ²Ρ‹Ρ… ΠΏΠΎΠ΄Ρ…ΠΎΠ΄ΠΎΠ² ΠΊ ΡΠΎΠ΄Π΅Ρ€ΠΆΠ°Π½ΠΈΡŽ, ΠΊΠΎΡ€ΠΌΠ»Π΅Π½ΠΈΡŽ ΠΈ Π²Π΅Ρ‚Π΅Ρ€ΠΈΠ½Π°Ρ€Π½ΠΎΠΉ Π·Π°Ρ‰ΠΈΡ‚Π΅ ΠΏΡ€ΠΎΠΌΡ‹ΡˆΠ»Π΅Π½Π½Ρ‹Ρ… стад ΠΏΡ‚ΠΈΡ†Ρ‹. Π’ Ρ€Π°ΠΌΠΊΠ°Ρ… осущСствляСмого Π² ΠœΠ’Π ΠΈΠΌΠ΅Π½ΠΈ К. И. Бкрябина ΠΏΡ€ΠΎΠ΅ΠΊΡ‚Π° проводятся Π½Π°ΡƒΡ‡Π½Ρ‹Π΅ исслСдования, Π½Π°ΠΏΡ€Π°Π²Π»Π΅Π½Π½Ρ‹Π΅ Ρ€Π°Π·Ρ€Π°Π±ΠΎΡ‚ΠΊΡƒ молСкулярно-гСнСтичСских Ρ‚Π΅Ρ…Π½ΠΎΠ»ΠΎΠ³ΠΈΠΉ для Π°Π½Π°Π»ΠΈΠ·Π° экспрСссии Π³Π΅Π½ΠΎΠ², ΠΈΠ³Ρ€Π°ΡŽΡ‰ΠΈΡ… ΠΊΠ»ΡŽΡ‡Π΅Π²ΡƒΡŽ Ρ€ΠΎΠ»ΡŒ Π² обСспСчСнии продуктивности ΠΈ устойчивости ΠΊ заболСваниям Ρƒ ΠΊΡƒΡ€, Π° Ρ‚Π°ΠΊΠΆΠ΅ для ΠΎΡ†Π΅Π½ΠΊΠΈ ΠΌΠΈΠΊΡ€ΠΎΡ„Π»ΠΎΡ€Ρ‹ ΠΊΠΈΡˆΠ΅Ρ‡Π½ΠΈΠΊΠ° ΠΈ ΠΊΠΎΡ€ΠΌΠΎΠ², воздСйствия ΠΊΠΎΡ€ΠΌΠΎΠ²Ρ‹Ρ… Π΄ΠΎΠ±Π°Π²ΠΎΠΊ. Π’ Ρ€Π΅Π·ΡƒΠ»ΡŒΡ‚Π°Ρ‚Π΅ ΠΏΡ€ΠΎΠ²ΠΎΠ΄ΠΈΠΌΡ‹Ρ… исслСдований Ρ€Π°Π·Ρ€Π°Π±ΠΎΡ‚Π°Π½Ρ‹ Π±ΠΈΠΎΡ‚Π΅Ρ…Π½ΠΎΠ»ΠΎΠ³ΠΈΠΈ для ΠΎΡ†Π΅Π½ΠΊΠΈ экспрСссии Π³Π΅Π½ΠΎΠ², связанных с ΠΏΡ€ΠΎΠ΄ΡƒΠΊΡ‚ΠΈΠ²Π½ΠΎΡΡ‚ΡŒΡŽ ΠΈ ΡƒΡΡ‚ΠΎΠΉΡ‡ΠΈΠ²ΠΎΡΡ‚ΡŒΡŽ ΠΏΡ‚ΠΈΡ†Ρ‹ ΠΊ нСблагоприятным Ρ„Π°ΠΊΡ‚ΠΎΡ€Π°ΠΌ, ΠΌΠ΅Ρ‚ΠΎΠ΄ΠΎΠΌ количСствСнной ПЦР Π² Ρ€Π΅Π°Π»ΡŒΠ½ΠΎΠΌ Π²Ρ€Π΅ΠΌΠ΅Π½ΠΈ; ΠΈΠ·ΡƒΡ‡Π΅Π½Ρ‹ ΠΌΠ΅Ρ‚Π°Π³Π΅Π½ΠΎΠΌΠ½Ρ‹Π΅ ΠΏΡ€ΠΎΡ„ΠΈΠ»ΠΈ Π±Π°ΠΊΡ‚Π΅Ρ€ΠΈΠ°Π»ΡŒΠ½ΠΎΠ³ΠΎ сообщСства Π² слСпой кишкС ΠΊΡƒΡ€-Π½Π΅ΡΡƒΡˆΠ΅ΠΊ использовали Ρ‚Π΅Ρ…Π½ΠΎΠ»ΠΎΠ³ΠΈΡŽ NGS-сСквСнирования; Ρ€Π°Π·Ρ€Π°Π±ΠΎΡ‚Π°Π½Ρ‹ ΠΈ тСстированы систСмы ΠΌΠΎΠ½ΠΈΡ‚ΠΎΡ€ΠΈΠ½Π³Π° ΠΈ ΠΏΡ€ΠΎΡ„ΠΈΠ»Π°ΠΊΡ‚ΠΈΠΊΠΈ Π±Π°ΠΊΡ‚Π΅Ρ€ΠΈΠΉ-ΠΏΠ°Ρ‚ΠΎΠ³Π΅Π½ΠΎΠ² Π½Π° Ρ„ΠΎΠ½Π΅ зараТСния ΠΏΡ‚ΠΈΡ†Ρ‹ возбудитСлями ΠΈΠ½Ρ„Π΅ΠΊΡ†ΠΈΠΎΠ½Π½Ρ‹Ρ… Π±ΠΎΠ»Π΅Π·Π½Π΅ΠΉ, Π² Ρ‚. Ρ‡. с ΠΏΠΎΠΌΠΎΡ‰ΡŒΡŽ T-RFLP-Π°Π½Π°Π»ΠΈΠ·ΠΎΠ² содСрТимого ΠΊΠΈΡˆΠ΅Ρ‡Π½ΠΈΠΊΠ° ΠΊΡƒΡ€; Ρ€Π°Π·Ρ€Π°Π±ΠΎΡ‚Π°Π½Ρ‹ матСматичСскиС ΠΌΠΎΠ΄Π΅Π»ΠΈ зависимости продуктивности/рСзистСнтности ΠΈ экспрСссии связанных с Π½Π΅ΠΉ Π³Π΅Π½ΠΎΠ² ΠΏΡ‚ΠΈΡ†Ρ‹ ΠΎΡ‚ состава Ρ€Π°Ρ†ΠΈΠΎΠ½Π° ΠΈ ΠΌΠΈΠΊΡ€ΠΎΠ±ΠΈΠΎΡ†Π΅Π½ΠΎΠ·Π° ΠΊΠΈΡˆΠ΅Ρ‡Π½ΠΈΠΊΠ°; Ρ€Π°Π·Ρ€Π°Π±ΠΎΡ‚Π°Π½Ρ‹ ΠΈ Π°ΠΏΡ€ΠΎΠ±ΠΈΡ€ΠΎΠ²Π°Π½Ρ‹ основы Ρ‚Π΅Ρ…Π½ΠΎΠ»ΠΎΠ³ΠΈΠΈ кормлСния яичных ΠΊΡƒΡ€, Π²ΠΊΠ»ΡŽΡ‡Π°Ρ ΠΏΠΎΠ»ΡƒΡ‡Π΅Π½Π½Ρ‹Π΅ ΠΊΠΎΠΌΠΏΠΎΠ·ΠΈΡ†ΠΈΠΈ ΠΊΠΎΡ€ΠΌΠΎΠ²Ρ‹Ρ… Π΄ΠΎΠ±Π°Π²ΠΎΠΊ, ΠΎΠ±Π΅ΡΠΏΠ΅Ρ‡ΠΈΠ²Π°ΡŽΡ‰ΠΈΠ΅ высокий ΠΏΡ€ΠΎΡ†Π΅Π½Ρ‚ Ρ€Π΅Π°Π»ΠΈΠ·Π°Ρ†ΠΈΠΈ гСнСтичСского ΠΏΠΎΡ‚Π΅Π½Ρ†ΠΈΠ°Π»Π° продуктивности яичных ΠΊΡƒΡ€

    [Modern biotechnology and optimization of intestinal microbiota in poultry industry] Π‘ΠΎΠ²Ρ€Π΅ΠΌΠ΅Π½Π½Ρ‹Π΅ Π±ΠΈΠΎΡ‚Π΅Ρ…Π½ΠΎΠ»ΠΎΠ³ΠΈΠΈ ΠΈ оптимизация ΠΌΠΈΠΊΡ€ΠΎΠ±ΠΈΠΎΡ‚Ρ‹ ΠΊΠΈΡˆΠ΅Ρ‡Π½ΠΈΠΊΠ° Π² условиях ΠΏΡ€ΠΎΠΌΡ‹ΡˆΠ»Π΅Π½Π½ΠΎΠ³ΠΎ птицСводства

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    Currently, special attention is paid to the optimization of the microbiota in the gastrointestinal tract (GIT) of highly productive commercial poultry. Many studies in the field of feeding, physiology, genetics, and resistance of poultry are devoted to this important area [1–4]. Various feed additives are studied and tested to help create and maintain optimal GIT microflora. Within the framework of a research project supported by the Government of the Russian Federation, biotechnologies are developed at the Skryabin MVA, including scientific approaches and practical techniques for managing the microbiota of the gastrointestinal tract, using modern methods such as assessing the expression of key genes using real-time PCR [5] and the composition of the gut microbiome based on T-RFLP analysis [6,7] and next generation sequencing. The developed technologies are successfully tested in the conditions of commercial egg production and adapted to the conditions of modern egg poultry farms in Russia. At the same time, the effects of feed additives are evaluated not only on the general state of the birds’ organism, including the GIT microbiota [8–12], but also on the productivity and resistance of poultry to infectious diseases [13, 14]. In the future, it is planned to organically integrate the developed microbiota management technology into the existing technological programs for egg production, including that during prolonged exploitation of layers (after the peak of egglaying). At the same time, the synergistic interaction of microflora and various feed additives will be of great importance in order to achieve a favorable effect of additives on the intestinal microbiota and in order to maximize the genetic potential of modern egg laying crosses. This work was supported by a grant from the Government of the Russian Federation (contract No. 14.W03.31.0013 of February 20, 2017)

    [Methodical recommendations on the application of the foundations of the technology of feeding egg-type chickens, providing a high percentage of realization of their genetic potential for productivity] ΠœΠ΅Ρ‚ΠΎΠ΄ΠΈΡ‡Π΅ΡΠΊΠΈΠ΅ Ρ€Π΅ΠΊΠΎΠΌΠ΅Π½Π΄Π°Ρ†ΠΈΠΈ ΠΏΠΎ ΠΏΡ€ΠΈΠΌΠ΅Π½Π΅Π½ΠΈΡŽ основ Ρ‚Π΅Ρ…Π½ΠΎΠ»ΠΎΠ³ΠΈΠΈ кормлСния яичных ΠΊΡƒΡ€, ΠΎΠ±Π΅ΡΠΏΠ΅Ρ‡ΠΈΠ²Π°ΡŽΡ‰Π΅ΠΉ высокий ΠΏΡ€ΠΎΡ†Π΅Π½Ρ‚ Ρ€Π΅Π°Π»ΠΈΠ·Π°Ρ†ΠΈΠΈ ΠΈΡ… гСнСтичСского ΠΏΠΎΡ‚Π΅Π½Ρ†ΠΈΠ°Π»Π° продуктивности

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    The recommendations are intended for specialists and managers of poultry farms, farmers, researchers, teachers and students of agricultural universities as well as students of the advanced training system. Π Π΅ΠΊΠΎΠΌΠ΅Π½Π΄Π°Ρ†ΠΈΠΈ ΠΏΡ€Π΅Π΄Π½Π°Π·Π½Π°Ρ‡Π΅Π½Ρ‹ для спСциалистов ΠΈ Ρ€ΡƒΠΊΠΎΠ²ΠΎΠ΄ΠΈΡ‚Π΅Π»Π΅ΠΉ птицСводчСских хозяйств, Ρ„Π΅Ρ€ΠΌΠ΅Ρ€ΠΎΠ², Π½Π°ΡƒΡ‡Π½Ρ‹Ρ… Ρ€Π°Π±ΠΎΡ‚Π½ΠΈΠΊΠΎΠ², ΠΏΡ€Π΅ΠΏΠΎΠ΄Π°Π²Π°Ρ‚Π΅Π»Π΅ΠΉ ΠΈ студСнтов ΡΠ΅Π»ΡŒΡΠΊΠΎΡ…ΠΎΠ·ΡΠΉΡΡ‚Π²Π΅Π½Π½Ρ‹Ρ… Π²ΡƒΠ·ΠΎΠ², ΡΠ»ΡƒΡˆΠ°Ρ‚Π΅Π»Π΅ΠΉ систСмы ΠΏΠΎΠ²Ρ‹ΡˆΠ΅Π½ΠΈΡ ΠΊΠ²Π°Π»ΠΈΡ„ΠΈΠΊΠ°Ρ†ΠΈΠΈ

    [Methodical recommendations on the use of antimicrobial feed additive for the prevention of stress in industrial crosses of laying hens] ΠœΠ΅Ρ‚ΠΎΠ΄ΠΈΡ‡Π΅ΡΠΊΠΈΠ΅ Ρ€Π΅ΠΊΠΎΠΌΠ΅Π½Π΄Π°Ρ†ΠΈΠΈ ΠΏΠΎ ΠΏΡ€ΠΈΠΌΠ΅Π½Π΅Π½ΠΈΡŽ Π°Π½Ρ‚ΠΈΠΌΠΈΠΊΡ€ΠΎΠ±Π½ΠΎΠΉ ΠΊΠΎΡ€ΠΌΠΎΠ²ΠΎΠΉ Π΄ΠΎΠ±Π°Π²ΠΊΠΈ для ΠΏΡ€ΠΎΡ„ΠΈΠ»Π°ΠΊΡ‚ΠΈΠΊΠΈ стрСссов Ρƒ ΠΏΡ€ΠΎΠΌΡ‹ΡˆΠ»Π΅Π½Π½Ρ‹Ρ… кроссов ΠΊΡƒΡ€-Π½Π΅ΡΡƒΡˆΠ΅ΠΊ

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    The methodological recommendations were developed within the framework of the Grant Agreement No. 14.W03.31.0013 dated February 20, 2017 as part of the implementation of the Russian Federation Government Resolution No. 220 dated April 9, 2010 on the topic β€œDevelopment of State-of-the-Art Biotechnologies to Assess Gene Expression in Relation to Performance and Disease Resistance in Poultry Industry”. The methodological recommendations are intended for specialists and managers of poultry farms, farmers, researchers, teachers and students of agricultural universities as well as students of the advanced training system. The methodological recommendations were approved by the UMK FZTA, Protocol No. 04 dated December 14, 2021. ΠœΠ΅Ρ‚ΠΎΠ΄ΠΈΡ‡Π΅ΡΠΊΠΈΠ΅ Ρ€Π΅ΠΊΠΎΠΌΠ΅Π½Π΄Π°Ρ†ΠΈΠΈ Ρ€Π°Π·Ρ€Π°Π±ΠΎΡ‚Π°Π½Ρ‹ Π² Ρ€Π°ΠΌΠΊΠ°Ρ… Π”ΠΎΠ³ΠΎΠ²ΠΎΡ€Π° ΠΎ Π²Ρ‹Π΄Π΅Π»Π΅Π½ΠΈΠΈ Π³Ρ€Π°Π½Ρ‚Π° β„– 14.W03.31.0013 ΠΎΡ‚ 20 фСвраля 2017 Π³. Π² Ρ€Π°ΠΌΠΊΠ°Ρ… Ρ€Π΅Π°Π»ΠΈΠ·Π°Ρ†ΠΈΠΈ постановлСния ΠŸΡ€Π°Π²ΠΈΡ‚Π΅Π»ΡŒΡΡ‚Π²Π° Российской Π€Π΅Π΄Π΅Ρ€Π°Ρ†ΠΈΠΈ ΠΎΡ‚ 9 апрСля 2010 Π³. β„– 220 ΠΏΠΎ Ρ‚Π΅ΠΌΠ΅ Β«Π Π°Π·Ρ€Π°Π±ΠΎΡ‚ΠΊΠ° соврСмСнных Π±ΠΈΠΎΡ‚Π΅Ρ…Π½ΠΎΠ»ΠΎΠ³ΠΈΠΉ для ΠΎΡ†Π΅Π½ΠΊΠΈ экспрСссии Π³Π΅Π½ΠΎΠ² Π² связи с ΠΏΡ€ΠΎΠ΄ΡƒΠΊΡ‚ΠΈΠ²Π½ΠΎΡΡ‚ΡŒΡŽ ΠΈ ΡƒΡΡ‚ΠΎΠΉΡ‡ΠΈΠ²ΠΎΡΡ‚ΡŒΡŽ ΠΊ заболСваниям Π² птицСводствС». ΠœΠ΅Ρ‚ΠΎΠ΄ΠΈΡ‡Π΅ΡΠΊΠΈΠ΅ Ρ€Π΅ΠΊΠΎΠΌΠ΅Π½Π΄Π°Ρ†ΠΈΠΈ ΠΏΡ€Π΅Π΄Π½Π°Π·Π½Π°Ρ‡Π΅Π½Ρ‹ для спСциалистов ΠΈ Ρ€ΡƒΠΊΠΎΠ²ΠΎΠ΄ΠΈΡ‚Π΅Π»Π΅ΠΉ птицСводчСских хозяйств, Ρ„Π΅Ρ€ΠΌΠ΅Ρ€ΠΎΠ², Π½Π°ΡƒΡ‡Π½Ρ‹Ρ… Ρ€Π°Π±ΠΎΡ‚Π½ΠΈΠΊΠΎΠ², ΠΏΡ€Π΅ΠΏΠΎΠ΄Π°Π²Π°Ρ‚Π΅Π»Π΅ΠΉ, аспирантов ΠΈ студСнтов ΡΠ΅Π»ΡŒΡΠΊΠΎΡ…ΠΎΠ·ΡΠΉΡΡ‚Π²Π΅Π½Π½Ρ‹Ρ… Π²ΡƒΠ·ΠΎΠ², ΡΠ»ΡƒΡˆΠ°Ρ‚Π΅Π»Π΅ΠΉ систСмы ΠΏΠΎΠ²Ρ‹ΡˆΠ΅Π½ΠΈΡ ΠΊΠ²Π°Π»ΠΈΡ„ΠΈΠΊΠ°Ρ†ΠΈΠΈ. ΠœΠ΅Ρ‚ΠΎΠ΄ΠΈΡ‡Π΅ΡΠΊΠΈΠ΅ Ρ€Π΅ΠΊΠΎΠΌΠ΅Π½Π΄Π°Ρ†ΠΈΠΈ ΠΎΠ΄ΠΎΠ±Ρ€Π΅Π½Ρ‹ УМК ЀЗВА, ΠŸΡ€ΠΎΡ‚ΠΎΠΊΠΎΠ» β„– 04 ΠΎΡ‚ Β«14Β» дСкабря 2021 Π³

    [Methodical recommendations on the implementation of the developed system for the prevention of pathogen bacteria by correcting diets in laying hens and using antimicrobial additives] ΠœΠ΅Ρ‚ΠΎΠ΄ΠΈΡ‡Π΅ΡΠΊΠΈΠ΅ Ρ€Π΅ΠΊΠΎΠΌΠ΅Π½Π΄Π°Ρ†ΠΈΠΈ ΠΏΠΎ Π²Π½Π΅Π΄Ρ€Π΅Π½ΠΈΡŽ Ρ€Π°Π·Ρ€Π°Π±ΠΎΡ‚Π°Π½Π½ΠΎΠΉ систСмы ΠΏΡ€ΠΎΡ„ΠΈΠ»Π°ΠΊΡ‚ΠΈΠΊΠΈ Π±Π°ΠΊΡ‚Π΅Ρ€ΠΈΠΉ-ΠΏΠ°Ρ‚ΠΎΠ³Π΅Π½ΠΎΠ² ΠΏΡƒΡ‚Π΅ΠΌ ΠΊΠΎΡ€Ρ€Π΅ΠΊΡ†ΠΈΠΈ Ρ€Π°Ρ†ΠΈΠΎΠ½ΠΎΠ² питания Ρƒ ΠΊΡƒΡ€ Π½Π΅ΡΡƒΡˆΠ΅ΠΊ ΠΈ примСнСния Π°Π½Ρ‚ΠΈΠΌΠΈΠΊΡ€ΠΎΠ±Π½Ρ‹Ρ… Π΄ΠΎΠ±Π°Π²ΠΎΠΊ

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    The recommendations are intended for specialists and managers of poultry farms, farmers, researchers, teachers and students of agricultural universities as well as students of the advanced training system. Π Π΅ΠΊΠΎΠΌΠ΅Π½Π΄Π°Ρ†ΠΈΠΈ ΠΏΡ€Π΅Π΄Π½Π°Π·Π½Π°Ρ‡Π΅Π½Ρ‹ для спСциалистов ΠΈ Ρ€ΡƒΠΊΠΎΠ²ΠΎΠ΄ΠΈΡ‚Π΅Π»Π΅ΠΉ птицСводчСских хозяйств, Ρ„Π΅Ρ€ΠΌΠ΅Ρ€ΠΎΠ², Π½Π°ΡƒΡ‡Π½Ρ‹Ρ… Ρ€Π°Π±ΠΎΡ‚Π½ΠΈΠΊΠΎΠ², ΠΏΡ€Π΅ΠΏΠΎΠ΄Π°Π²Π°Ρ‚Π΅Π»Π΅ΠΉ ΠΈ студСнтов ΡΠ΅Π»ΡŒΡΠΊΠΎΡ…ΠΎΠ·ΡΠΉΡΡ‚Π²Π΅Π½Π½Ρ‹Ρ… Π²ΡƒΠ·ΠΎΠ², ΡΠ»ΡƒΡˆΠ°Ρ‚Π΅Π»Π΅ΠΉ систСмы ΠΏΠΎΠ²Ρ‹ΡˆΠ΅Π½ΠΈΡ ΠΊΠ²Π°Π»ΠΈΡ„ΠΈΠΊΠ°Ρ†ΠΈΠΈ

    [Practical recommendations for the use of feed additives to improve the productivity and stress resistance of egg poultry] ΠŸΡ€Π°ΠΊΡ‚ΠΈΡ‡Π΅ΡΠΊΠΈΠ΅ Ρ€Π΅ΠΊΠΎΠΌΠ΅Π½Π΄Π°Ρ†ΠΈΠΈ ΠΏΠΎ ΠΏΡ€ΠΈΠΌΠ΅Π½Π΅Π½ΠΈΡŽ ΠΊΠΎΡ€ΠΌΠΎΠ²Ρ‹Ρ… Π΄ΠΎΠ±Π°Π²ΠΎΠΊ для ΡƒΠ»ΡƒΡ‡ΡˆΠ΅Π½ΠΈΡ продуктивности ΠΈ стрСссоустойчивости яичной ΠΏΡ‚ΠΈΡ†Ρ‹

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    The recommendations are intended for specialists and managers of poultry farms, farmers, researchers, teachers and students of agricultural universities as well as students of the advanced training system. Π Π΅ΠΊΠΎΠΌΠ΅Π½Π΄Π°Ρ†ΠΈΠΈ ΠΏΡ€Π΅Π΄Π½Π°Π·Π½Π°Ρ‡Π΅Π½Ρ‹ для спСциалистов ΠΈ Ρ€ΡƒΠΊΠΎΠ²ΠΎΠ΄ΠΈΡ‚Π΅Π»Π΅ΠΉ птицСводчСских хозяйств, Ρ„Π΅Ρ€ΠΌΠ΅Ρ€ΠΎΠ², Π½Π°ΡƒΡ‡Π½Ρ‹Ρ… Ρ€Π°Π±ΠΎΡ‚Π½ΠΈΠΊΠΎΠ², ΠΏΡ€Π΅ΠΏΠΎΠ΄Π°Π²Π°Ρ‚Π΅Π»Π΅ΠΉ ΠΈ студСнтов ΡΠ΅Π»ΡŒΡΠΊΠΎΡ…ΠΎΠ·ΡΠΉΡΡ‚Π²Π΅Π½Π½Ρ‹Ρ… Π²ΡƒΠ·ΠΎΠ², ΡΠ»ΡƒΡˆΠ°Ρ‚Π΅Π»Π΅ΠΉ систСмы ΠΏΠΎΠ²Ρ‹ΡˆΠ΅Π½ΠΈΡ ΠΊΠ²Π°Π»ΠΈΡ„ΠΈΠΊΠ°Ρ†ΠΈΠΈ

    Skewness and kurtosis of mean transverse momentum fluctuations at the LHC energies

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    The first measurements of skewness and kurtosis of mean transverse momentum (〈pTβŒͺ) fluctuations are reported in Pb–Pb collisions at sNN = 5.02 TeV, Xe–Xe collisions at sNN = 5.44 TeV and pp collisions at s=5.02 TeV using the ALICE detector. The measurements are carried out as a function of system size 〈dNch/dΞ·βŒͺ|Ξ·|<0.51/3, using charged particles with transverse momentum (pT) and pseudorapidity (Ξ·), in the range 0.2<pT<3.0 GeV/c and |Ξ·|<0.8, respectively. In Pb–Pb and Xe–Xe collisions, positive skewness is observed in the fluctuations of 〈pTβŒͺ for all centralities, which is significantly larger than what would be expected in the scenario of independent particle emission. This positive skewness is considered a crucial consequence of the hydrodynamic evolution of the hot and dense nuclear matter created in heavy-ion collisions. Furthermore, similar observations of positive skewness for minimum bias pp collisions are also reported here. Kurtosis of 〈pTβŒͺ fluctuations is found to be in good agreement with the kurtosis of Gaussian distribution, for most central Pb–Pb collisions. Hydrodynamic model calculations with MUSIC using Monte Carlo Glauber initial conditions are able to explain the measurements of both skewness and kurtosis qualitatively from semicentral to central collisions in Pb–Pb system. Color reconnection mechanism in PYTHIA8 model seems to play a pivotal role in capturing the qualitative behavior of the same measurements in pp collisions
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