Name
Osepchuk Denis Vasilievich
Scholastic degree
•
Academic rank
—
Honorary rank
—
Organization, job position
North-Caucasus Research Institute of Animal
Web site url
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Articles count: 7
The isolation of E.coli phages from samples of natural
and waste water obtained during expeditions in the
different regions of Russian Federation was carried
out. The obtained phages (286 isolates) were tested for
their ability to lyse the pathogenic strains of E. coli –
pathogenic agents of pig colibacteriosis in Krasnodar
region. The study was conducted of their ability to
phage transduction, the molecular-genetic
characterization and biotechnological parameters of
selected bacteriophages. For first experimental design
of veterinary drugs was selected 5 coliphages having no ability of plasmids transduction. It has been shown
that all the investigated phages are representatives of
T4-type phages of family Myoviridae. The reported
study was partially supported by RFBR, research
projects No. 08-04-99111, 09-04-10132, 16-44-
230855
The experiment studied the use of an herbal
component in feeding of young geese, consisting of
hay meal and alfalfa juices coagulate. The replacement
of 50 % of complete feed by the studied feeding stuff
reduced the protein content in the diet by 9.9-14.9 %
and increased the content of crude fiber 1.76-2.01
times. Gross weight gain in the experimental group
decreased by 3.9 %, with an increase in feed cost by
17.1 %. However, carcasses of geese in experimental
group increased absolute weight of muscles of the
breast and legs by 28.6%, and the relative – 5.6 %
(Ð ˃0.05). Using of herbal ingredients tended to
increase the yield of dressed carcass by 4.8 %, while
the share of internal fat and skin with subcutaneous fat
was decreased. There were no differences in the
chemical composition of poultry muscle tissue in the
groups. Using of herbal ingredients decreased the cost
of 1 kg of feed by 0.7 rubles, but the cost price of
weight gain increased by 5.0 %. It was concluded that
it is necessary to carry out additional studies involving
the feeding of poultry with the identical by nutritional
value compound feed with the additive under study or
without it
The article presents the materials of research on
studying of influence of various levels of crude fat in
the complete feed (CF) for the young geese of
Lindovskaya breed on chemical composition and
organoleptic quality of goose meat. In the
experimental groups we increased the concentration of
crude fat in the start and finish of the CF to 7.4 % and
6,85 %, respectively. As the lipid supplement, we used
sunflower oil. It is established that muscle tissue of
geese, consuming finishing CF with sunflower oil, has
a more pronounced taste, odour, tenderness and
juiciness. We may highlight the tendency to increase
the proportion of monounsaturated oleic acid, in the
background of the decrease of specific weight of
palmitic acid in the fat muscle 60 day goslings who
received the start and finish of CFs with the addition
of sunflower oil
This work considers the needs and methods of phage
therapy of two bacterial infections in poultry. The
review examines the use of bacteriophages, from the
moment of their discovery to the present day. We
discuss the relevance of such diseases as
compilobacteriosis and colibacteriosis transmitted
from birds to humans, we show how to use
bacteriophages and their efficacy in models of adult
birds and chickens, including information provided on
the pilot study of phage therapy at a poultry farm. The
reported study was partially supported by RFBR,
research projects No. 16-44-230855 and No. 13-04-
00991 and № 16-44-230855-р_а
The aim of the research was to study the impact of
starter complete feed (CF) with different levels of
crude fat on the chemical composition of muscle tissue
and liver of young geese. During days 5-28 the poultry
was fed CF with 5.1-8.1 % crude fat, from 29- to 60-
day age – with 5.4 %. By increasing the level of crude
fat in starter CF there was a trend to an increase of the
phosphorus content in muscle samples of geese hip
and thigh - by 4.4-9.6 %, in the liver - by 27.2-53.5 %
(P≤0,05). The chest muscles of the young geese fed
high-calorie CF had 2.8-6.0 % higher fat content, than
that of counterparts in the first group. At the same
time, there was a tendency to a decrease in the
concentration of fat in the muscles of the hip and thigh
- by 1.9-5.0 % (P˃0,05). Increased level of crude fat in
CF did not have a negative impact on the accumulation
of heavy metals in the muscle and liver of geese, the
concentration of the studied elements was within the
permissible level established for food products
In the experimental work, we studied the effect of the
inulin prebiotic on the growth, development and
efficiency of growing broiler chickens of the Isa cross.
In accordance with the scheme of the experiment, the
first control group was fed a complete feed (CF) by
periods of growth. In the second group, inulin was
added to the CF for the first 21 days of growth. In the
third group prebiotic was added to the CF at the same
rate throughout the whole period of rearing the chicks
(42 days). In the second and third groups, we found the
tendency to increase the intensity of growth rate in
poultry by 1.6 and 3.0%, respectively, compared with
the control. Feed costs for weight gain were decreased
by 2.1-2.7%. In the chime of the blind processes of the
intestine of the chickens of 2-3 experimental groups it
was found the reduction of staphylococci and
enterococci CFU, while similar to the control group
lactobacilli CFU. The muscle tissue in the chickens of
experimental groups had greater protein content. The
optimal range of indicators is the use of inulin for the
first 21 days of rearing poultry. Because of the
production audit, an increase in live weight of chickens
was found, in the experimental group by 2.7% (p ≤
0.05), a decrease of feed costs by 7.5%, increase of the
survival rate of poultry by 2.0% and profitability by
3.1%