Agrarian
Bulletin
of the Urals

Russian Journal of Agricultural Research

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

Аграрный вестник Урала № 04 (122) 2014

Животноводство

Ситников В.А. кандидат сельскохозяйственных наук, профессор, Пермская государственная сельскохозяйственная академия

Хохлов В. В. аспирант Пермская государственная сельскохозяйственная академия

УДК:363.32/.38.084(470.53)

THE IMPACT OF GLYCERIN IN PREGNANT AND LACTATING EWES DIET ON A LIVE WEIGHT OF THE LAMBS

The results are given of feeding glycerin as an energy supplement of pregnant and lactating ewes of the Romanov breed. It is found that in the second half of ewes pregnancy and in the first half of the lactation period the energy level of a diet is not always maintained that affects the formation and development of lambs in the embryonic period, and later a lactation of ewes. Ewes lactation affects the growth and development of lambs during the suckling period. An experimental investigation determined that the addition of 30 g of glycerin to the diet of sheep at the second half of pregnancy and at the first month of lactation led to a higher energy ration by 0.54 MJ, representing a percentage to the control group of sheep, respectively, 2.74 and 1.78 %. It is revealed that feeding glycerin to ewes at the second half of pregnancy contributes to a higher growth of a fetus, expressed by a higher birth weight by 0.78 kg. Lactating ewes treated with an additive of 30 g glycerin have a higher milk production, that leads to the growth of suckling lambs for 100 g per day, or 36.71 % compared with lambs of ewes not by glycerin. The study of blood chemistry has proved that feeding glycerin does not violate the normal course of biochemical processes in the sheep body and even strongly improves it. With an addition of 30 g glycerin the alkaline reserve has been at an optimum level, the blood sugar has exceeded figures of the control group for 80.16 % (P < 0.01), the vitamin E content by 66,80 % (P < 0.05), but within the normative values . It has been suggested to increase energy levels in the diets of pregnant and lactating ewes by use of glycerin in an amount of 30 g per head per day.

Keywords:

glycerin, sheep, diet, energy, lambs, live weight, growth, blood


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