Agrarian
Bulletin
of the Urals

Russian Journal of Agricultural Research

The publication is registered by the Ministry of the Russian Federation
for Affairs of the Press, Television and Radio Broadcasting and Mass Communication Media.
Registration certificate: PI number 77-12831 on May 31, 2002
Subscription index in catalog «Russian Press» - 16356
ISSN 1997 - 4868 (Print)

The Journal is included in the list of the leading peer-reviewed scientific journals and publications, which should be published by the main results of theses for the degree of doctor and Ph.D.
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Journal is included in the list of VAK (from 25.09.2017), No. 291

ISSN 2307-0005 (Online)
Key title: Agrarnyj vestnik Urala (Online)
Abbreviated key title: Agrar. vestn. Urala (Online)

Аграрный вестник Урала № 06 (185) 2019

Биология и биотехнологии

Шацких Е. В. доктор биологических наук, профессор, заведующий кафедрой Уральский государственный аграрный университет

Галиев Д. М. аспирант Уральский государственный аграрный университет

УДК:636.5.085

Development of internal organs of broilers when including in the diet of feed additives “Safmannan” and “Immunosan”

Currently around the world, including in Russia, an intensive search for alternative replacement of feed antibiotics in animal husbandry. One of the real alternative ways are feed additives with sorption properties, for example, preparations based on yeast cell walls. The article discusses the effect of replacing feed antibiotics in the compound feed and feed supplements “SafMannan” and “Immunosan”, which represent carbohydrate complexes in yeast cell walls, on productive indicators and the development of the internal organs of broiler chickens. It was established that in the experimental groups, which received “SafMannan” (1 experimental group) and “Immunosan” (2 experimental group) supplements, the absolute increase in live weight over the growing period was 1.3 % and 0.07 higher than the control in male broilers, in chickens by 3.5 and 0.1 %. The highest safety was in males of the control group, reaching 97.5 %; in 1 and 2 experimental groups, this indicator was 1.2 % lower than the control. Among the chickens, the highest preservation differed in bird 2 of the experimental group (97.5 %), in the control and 1 experimental group the safety of the livestock was the same – 96.3 %. During all the analyzed periods (22 and 38 days) in chickens from the experimental groups, an increase in liver mass and intestinal length was observed within the physiological norm, which may indicate the best detoxification capabilities of broilers and activation of the intestinal absorption function.


Keywords:

broiler chickens, feed antibiotics, replacement of antibiotics, development of internal organs, anatomical cutting, feed additives, productivity, mannanoligosaccharides, liver, intestines


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