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)

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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 № 02 (169) 2018

Биология и биотехнологии

В. А. ПОРУБЛЕВ доктор биологических наук, профессор Ставропольский государственный аграрный университет

Т. И. БОТАШЕВА аспирант Ставропольский государственный аграрный университет

УДК:636.32/.38:611

MORPHOLOGY OF THE INORGANIC VENOUS BED OF THE JEJUNUM OF SHEEP OF THE NORTH CAUCASIAN BREED IN POSTNATAL ONTOGENESIS

 With use of modern morphometric methods of a researchat sheep of the North Caucasian breed of four age groups (newborn, monthly,four-month and 18-month) the structure, topography and age changes ofmorphometric indicators of extraorgan veins of a jejunum gut have been studied.It is established that the most intensive increase in the maximum length the jejunalveins of sheep is observed during postnatal development from monthly to four-monthage, the minimum length the jejunal veins with four-month to 18-month age. Themost intensive increase in diameter the jejuna veins of sheep is observedduring postnatal development from four-month to 18-month age. In a gleam thejejunal veins on all extent two-fold valves meet their number at newbornanimals has made 0,60 ± 1,20, at monthly age – 1,20 ± 0,80, in four-months –1,80 ± 0,80, at 18-month – 2,20 ± 0,80. The valvate index was equal at newbornanimals – 0,14 ± 0,07, at monthly – 0,23 ± 0,03, at four-month – 0,29 ± 0,02,at 18-month – 0,30 ± 0,02. The most intensive growth of the length of the commonroot of the jejunal veins in sheep is observed in the period from a month to four-month.The most intensive increase in the diameter of the common root of the jejunalveins in sheep is noted between the time of birth and the month of age. In thecavity of the common root of the jejunal veins, mainly in the middle of itssegment there are two-leaf valves. Their number in newborn animals was 1.80 ±0.80, at a monthly age of 2.60 ± 1.20, in a four-month period – 3.20 ± 0.80, in18-month-old animals – 4.20 ± 0.80. The valvate index was equal to 0.12 ± 0.00for newborns, 0.12 ± 0.00 for monthly animals, 0.10 ± 0.00 for four-monthanimals, 0.10 ± 0.00 for 18-month.


Keywords:

vein, intestine, jejunum, extraorgan, valve, sheep, North Caucasian breed.


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