Overview: prevalence and structure of metabolic diseases of laying chickens, their influence on egg quality and condition of young chickens

Shcherbatyy, A. R.; Slivinska, L. G.

doi:10.32718/nvlvet10401

Cited by 3 publications

(3 citation statements)

References 21 publications

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“…According to the data (Nishhemenko et al, 2013), increase in alkaline phosphatase is seen during cholestasis and impairment of mineral metabolism. Increase in activity in this enzyme was also recorded during egg production and oviposition (Shcherbatyy & Slivinska, 2021).…”

Section: Discussionmentioning

confidence: 76%

Efficacy of hepatoprotectors in prophylaxis of hepatosis of laying hens

Slivinska

Yaremchuk²,

Shcherbatyy³

et al. 2022

Regul. Mech. Biosyst.

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Hepatoses of laying hens are quite common in poultry farms as a result of improper practices of poultry maintenance consisting in excessive number of protein feeds for provision of high productivity. The objective of the study was preventive efficacy of Gep-A-Stress hepatoprotectors (carnitine hydrochloride, D L methionine, sorbitol, choline chloride, magnesium sulfate heptahydrate) and Hepasan VS (L-carnitine hydrochloride, sorbitol, choline chloride, magnesium sulfate hepahydrate, betaine hydrochloride, L-arginin) against hepatosis of laying hens. To determine the efficacy of Hep-A-Stres and Hepasan-VS hepatoprotectors during production tests (n = 4,500), we monitored the parameters of survival rate (the final number of individuals as percentage of the initial number) and egg productivity of laying hens. We determined that after 30 days of using the hepatoprotectors, the content of overall protein in blood serum of laying hens of the first and the second experimental groups decreased by 21.4% and 18.9% compared with the parameters prior to providing the hepatoprotectors and by 26.3% and 23.3% compared with the control group after receiving the drug. The urea contents in blood serum increased by 19.0% and 10.5%. Compared with the control, the activity of alanine aminotransferase decreased by 43.7% and 24.1% in the first experimental group and by 23.4% and 14.9% in the second. The activity of aspartate aminotransferase in blood serum of the experimental groups decreased by 10.7%. The cholesterol concentration decreased by 50% and 58.3%. The content of triaglycerols decreased by 24.1% and 8.9% respectively. The concentrations of high-density lipoproteins after 30 days of the experiment decreased by 33.3% and 77.8% respectively, the content of low-density lipoproteins decreased by 61.3% and 40.4% and 42.3%. Population maintenance equaled respectively 97.1%, 98.3% and 98.1%. At the end of the experiment, the egg productivity of laying hens of the first and second groups increased by 4% and 3.6% compared with the control. Therefore, intake of the hepaprotectors by laying hens stimulated their metabolism, positively influenced the blood parameters, survival and egg productivity. The conducted studies confirm the benefits of using hepatoprotectors for the prohylaxis of hepatosis of hens.

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Section: Discussionmentioning

confidence: 76%

Efficacy of hepatoprotectors in prophylaxis of hepatosis of laying hens

Slivinska

Yaremchuk²,

Shcherbatyy³

et al. 2022

Regul. Mech. Biosyst.

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“…Зазвичай неінфекційні шлунково-кишкові захворювання молодняку тварин і птиці поширені повсюдно, розвиваються з перших годин життя тварини, супроводжуються важкими токсичними явищами, характеризуються високою смертністю, завдаючи господарству значних економічних збитків (Shcherbatyy & Slivinska, 2021) (Polycarpo et al, 2014;Berri, 2015;Podolyan, 2017;Al-Khalaifah, 2018;Оrishchuk & Tsap, 2020;Areq Yahya, 2021). Їх можна розглядати як альтернативу призначення птиці антибіотиків або інших антимікробних агентів.…”

Section: вступunclassified

Bacterial indicators during storage of slaughter products of turkeys of the meat sector of productivity with the use of the prebiotic drug Aktigen

Konopelko,

Lyasota

2023

SMLNUVMB

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Poultry breeding is one of the economically profitable branches of Ukraine. Poultry meat is in the greatest demand on the market, because it is affordable and dietary, poultry is easy to grow both on the farm and at home. This is one of the types of branches in agriculture, which in a short period of time is able to provide the population with biologically complete and high-quality products. One of the main questions remains: how to produce high-quality products without the use of prohibited antibiotics, which provoked a number of problems in the already imperfect agriculture. The refore, scientists began to look for an alternative that would replace antibiotics, while at the same time increasing the quality of meat and the resistance of poultry to diseases, increasing the increase in live weight. Therefore, farms began to use biologically active additives (BVD), one of them is Aktigen. The purpose of our research was to determine the effect of the complex prebiotic drug Actigen on the level of bacterial indicators during storage of slaughter products of turkeys of the meat sector of productivity. The object of study was turkeys of the BIG-6 breed. The prebiotic Actigen was added to the basic ration (OR) of turkeys in the following doses: from the 1st to the 21st day: 0.4; 0.8 and 1 g/kg feed; from the 22nd to the 42nd day: 0.4; 0.6 and 0.8 g/kg feed; from the 42nd to the 120th day: 0.2; 0.4 and 0.7 g/kg feed. Mixing of prebiotics with compound feed was carried out with a feed mixer at the farm for the production of compound feed. The bird had free access to feed and water during the entire fattening period. Research methods. Microscopic, microbiological (MAFAnM content, pathogenic and opportunistic microorganisms; bacterioscopy of swabs-imprints from poultry meat by counting the number of microorganisms per 1 average field of vision according to (DSTU DSTU 8381:2015; DSTU 8381:2015; DSTU ISO 6888–2:2003; GOST 7702.2.7–95), DSTU ENISO 6579-1:2017. Variational and statistical processing of experimental data was carried out using computer software packages “Microsoft Exel”, “Maple-12” (Company Maplesoft, 2008) for variational and statistical processing of digital data. Reliability was determined according to the Student's criterion, taking into account the confidence limit: Р ≤ 0.05; Р ≤ 0.01, Р ≤ 0.001. It was established that when feeding the prebiotic Actigen in the following doses: from the 1st to the 21st day: 0.4; 0.8 and 1 g/kg feed; from the 22nd to the 42nd day: 0.4; 0.6 and 0.8 g/kg feed; from the 42nd to the 120th day: 0.2; 0.4 and 0.7 g/kg of feed both in the pectoral muscles and in the femoral muscles of broiler turkeys of the control and experimental groups, MAFAnM indicators did not exceed the permissible level during the four-day storage period. During the storage period of thigh muscles, the indicator of total bacterial contamination gradually increased in all groups and on the fourth day reached the level in the experimental group – (1.73 ± 0.05)×103. The MAFAnM indicator of the thigh muscles of birds of the control group was (1.75 ± 0.11)×103 CFU. The insignificant difference between MAFAnM indicators of the control and experimental groups is not reliable. The level of opportunistic microorganisms, in particular, BGKP and Proteus in the muscles of the femoral group is not reliable between the indicators of the control and experimental groups, and does not exceed the permissible levels regulated by the regulatory documents of Ukraine. When examining the slaughter products of broiler turkeys for the presence of pathogenic microorganisms, in particular the genus Salmonella, S. aureus, L. Monocytogenes, Pasteurella ceae, Pasteurella spp., Avibacterium paragalinarum, Bordetella spp., Moraxella spp, Trueperella pyogenes, Erysipelotrix spp., Listeria spp. ., Pseudomonasspp., Enterobacreria ceae, Bacillus spp., Corynebacterium spp., yeast and mold were not detected in the muscles and edible offal of broiler turkeys in both control and experimental groups. The prebiotic Actigen used in the diet of broiler turkeys negatively affects the development of the above-mentioned microorganisms both during the life of broiler turkeys and under the conditions of storage of slaughter products during the specified periods. Slaughter products of broiler turkeys, which were fed with the prebiotic “Actigen” in the recommended doses according to indicators of bacterial insemination during the established storage period, can be sold without restrictions.

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“…Ефективність підвищення продуктивності сільськогосподарської птиці залежить від того, наскільки технології виробництва дають змогу реалізувати її генетичний потенціал. Головним фактором реалізацій генетичного потенціалу птиці є згодовування повноцінних комбікормів та білково-вітамінних добавок (Sobolev et al, 2019;Shcherbatyy & Slivinska, 2021;Yaremchuk et al, 2022;.…”

Section: вступunclassified

Effect of mineral feed additive on productivity of broiler chickens

Poberezhets,

Ohorodnichuk,

Razanova

et al. 2023

SMLNUVMB

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Mineral elements play an essential role in the metabolic processes carried out in the animal body at the cellular level. They support homeostasis, acid-base balance, and osmotic pressure. Lack of mineral elements leads to disturbances in metabolic metabolism, reduced productivity, and increased morbidity in poultry. Therefore, the research aimed to establish the effect of selenium-containing feed additives on broiler chickens' live weight, gains, feed consumption, slaughter, and hematological indicators. Selenium – exchanges proteins, fats, and carbohydrates to regulate enzymatic and redox reactions. The introduction of selenium into animals' rations contributes to the normalization of metabolism, preventing the accumulation of toxic oxidation products and damage to the cell membrane. The experiment lasted 42 days. Two groups of Ross-308 cross-broiler chickens, 20 heads each, were selected for the experiment. In addition to compound feed, the second experimental group used a mineral feed additive at the rate of 100 g per 1 ton of compound feed. When broiler chickens were fed a mineral feed additive, live weight increased by 4.9 %, average daily weight gain by 4.8 %, and absolute weight gain by 5.0 %, relative to control counterparts. It was established that using a mineral feed additive in feeding broiler chickens of the 2nd group, the consumption of feed per 1 kg of growth decreased by 9.0 %, compared to control analogs. It was found that the pre-slaughter live weight of broiler chickens of the 2nd group increased by 5.0 %, the weight of non-carcass carcass by 5.6 %, half-carcass by 5.5 %, and carcass weight by 6.2 %, compared to the control value. In addition, under the influence of the studied feed additive, the mass of the pectoral muscles in broilers of the 2nd group increases by 16.0 % (Р ≤ 0.05) and thigh muscles by 36.0 % (Р ≤ 0.001) relative to control indicators. It was found that in the broilers of the 2nd group, under the influence of the additive, the slaughter yield of the thigh muscles increased by 29.4 % (Р ≤ 0.05) compared to the control group. It was established that under the action of the mineral supplement, the level of hemoglobin in broiler chickens of the 2nd group increased by 5.3 % (Р ≤ 0.05) relative to the control value.

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Overview: prevalence and structure of metabolic diseases of laying chickens, their influence on egg quality and condition of young chickens

Cited by 3 publications

References 21 publications

Efficacy of hepatoprotectors in prophylaxis of hepatosis of laying hens

Efficacy of hepatoprotectors in prophylaxis of hepatosis of laying hens

Bacterial indicators during storage of slaughter products of turkeys of the meat sector of productivity with the use of the prebiotic drug Aktigen

Effect of mineral feed additive on productivity of broiler chickens

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