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Advances in Engineering Research, volume 151 International Conference on Smart Solutions for Agriculture (Agro-SMART 2018) Impact of Linseed Cake in the Diet of Russian Heavy Draft Horses on Productive and Physiological Indicators Svetlana Sukhanova Nina Pozdnyakova R&D Institute Faculty of Biotechnology “Study of problems in AIC” Kurgan State Agricultural Academy named after T.S. Kurgan State Agricultural Academy named after T.S. Maltsev Maltsev Kurgan, Russia Kurgan, Russia [email protected] [email protected] Alyona Tarasova R&D Institute “Study of problems in AIC” Kurgan State Agricultural Academy named after T.S. Maltsev Kurgan, Russia Abstract—The paper studies the impact of linseed cake in the Russian Federation, excluding Central Federal Districts where diet of Russian Heavy Draft growers on their productive and they cannot compete with large heavy draft breeds physiological indicators. For the experiment, the Russian Heavy (Sovyetskaya and Vladimirskaya). Having small withers Draft growers were divided into three groups. The reference group height, Russian Heavy Draft horses possess prominent harness of animals had basic diet, the 1st test group had the diet with form and substantial live weight. Russian Heavy Draft horses addition of linseed cake of 300 grams per head a day, the 2nd test have unsophisticated taste, digest well plain food and preserve group had the diet with addition of linseed cake of 500 grams per their condition. Russian Heavy Draft breed also has good head a day. The experiment was carried out in Loginovo LLC in carcass trait and high milk yield, which opens prospects to use Makushino district of Kurgan region. this breed for food production. In general, the introduction of linseed cake into the diet of Russian Heavy Draft horses had a positive effect on morphological Correct feeding of horses is a critical factor that conditions and biochemical blood indicators. The test groups demonstrate their health, working capacity and build-up [10, 13, 14]. reliable increase in the level of hemoglobin, total protein and total nitrogen. Also, the levels of calcium and inorganic phosphorus Linseed cake is highly dietic. In the horse diet it can be used slightly increase. Over the experiment, the largest gross increment as an alternative to whole linseed. Linseed cake is of high was demonstrated by the second test group: 20.82% more then in energy value: 1 kg of the cake contains 13.73 MJ of metabolic the reference group. In the first test group, this indicator exceeded energy and 287 g of digestible protein and abundant cocktail of the reference group by 11.49%. The best results of all microelements and vitamins. Linseed cake protein differs in measurements and indices of body built were demonstrated by the high digestibility and outstanding aminoacid composition. Fats colts of the second test group. The carcass weight of the animals remaining in linseed cake after oil pressing preserve all useful from the second test group exceeded that of the reference group properties of linseed oil. The unique feature of linseed oil is a by 11.92% and by 5.98% of that in the first test group. The usage high content of alpha-linolenic (omega-3) fatty acid and other of linseed cake has increased the slaughter yield in the first group non-saturated fatty acids. The content of fatty acids in linseed by 1.59%, in the second group by 3.08%, as compared to the oil 2 times exceeds that in fish oil. Feeding of growers combines reference group. well two processes: accelerated growth and increased final body living weight, i.e. the organism accumulates muscle tissue Keywords—linseed cake, horses, Russian Heavy Draft. with contemporary fat accretion on internal organs, inside the muscles and between them and on the carcass surface as well I. INTRODUCTION [1, 2, 6, 7, 11]. Russian Heavy Draft is a breed of small heavy draft horses In this connection, the work is aimed at establishing the that is used for farming and as working and breeder horses. impact of linseed cake included into the diet of Russian Heavy Currently, it is the most widely distributed heavy draft horse Draft horses on fertility and physiology. breed in Russia. This breed is bred almost in every region of the Copyright © 2018, the Authors. Published by Atlantis Press. This is an open access article under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/). 679 Advances in Engineering Research, volume 151 To achieve the goal, the following problems were stated: III. INVESTIGATION RESULTS establish the morphological and biochemical indicators Blood plays essential role in the life of an organism. Blood of the blood of Russian Heavy Draft growers. is responsible for a critical function of living matter, metabolism. Blood is an internal medium where the study the growth and development of test animals; development and vital activities of an organism take place. It determine the meat yield of Russian Heavy Draft reflects general organization of organism, its constitution and growers. physiology connected with vital functions and living conditions. The blood composition is relatively constant, which provides preservation of species, breed and individual II. METHODS peculiarities of animals. However, the blood composition is The investigation was carried out in Loginovo LLC in fairly labile, which allows using it as an important mechanism Makushino district of Kurgan region during winter-stalled for adapting to the fluctuations of living conditions. Thus, period. To carry out the experiment, the Russian Heavy Draft practical animal husbandry, hematologic analyses are widely growers in the age of 9 months after weaning were divided into used due to comprehensive functions of blood [3, 4]. three groups 9 heads in each according to the principle of The morphological and biochemical indicator of growers’ analogues with due consideration of gender, age, productivity, blood in the beginning of the experiment are given in Table 1. origin, physiology and live weight. All keeping and management conditions and microclimate were similar for all test growers. The reference group of animals had basic diet, the TABLE I – MORPHOLOGICAL AND BIOCHEMICAL INDICATORS OF HORSE BLOOD 1st test group had the diet with addition of linseed cake of 300 IN THE BEGINNING OF THE EXPERIMENT ( xSX ) grams per head a day, the 2nd test group had the diet with Group Indicator addition of linseed cake of 500 grams per head a day. reference 1st test 2nd test 12 The full value condition of feeding and health condition of Red cells [x10 /l] 8.13±0.18 8.00±0.26 8.09±0.07 Hemoglobin [g/l] 114.33±2.15 117.61±2.09 115.82±1.66 the growers was controlled by studying the content of blood and Globular value 0.96±0.01 1.00±0.02 0.98±0.02 serum with determination of the content of hemoglobin, white Alkaline reserve [mg%] 557.14±8.07 545.30±18.55 561.29±7.25 cells, red cells, total protein and its fractions, calcium, inorganic Total protein [g/l] 60.57±3.52 60.50±1.53 61.17±3.37 phosphorus, alkaline reserve, total and residual nitrogen. Total nitrogen [mg%] 993.23±56.22 968.34±24.44 1001.13±54.31 The live weight of the test young horses was controlled on Residual nitrogen [mg%] 23.00±0.47 22.46±0.65 22.28±1.57 a monthly basis in the age of 9, 10, 11 and 12months by Calcium [mmol/l] 3.10±0.04 3.06±0.06 3.08±0.04 Inorganic phosphorus [mmol/l] 1.61±0.05 1.63±0.09 1.64±0.07 individual weighting. The parameters of the animals (withers height, heart girth, pastern girth) were measured from the left side by positioning a horse on a flat even ground so it stands on In the beginning of the experiment, for all horses in all the all 4 legs. The measurement was made by a hand stick and groups the morphological and biochemical blood indicators measuring band. The indices of body build of growers were were within normal values, which is typical for this breed and calculated by the following equations [15]. age. For instance, the average number of red cells was 8.07x1012/l, hemoglobin content was 115.92 g/l, globular value Heart girth 100 was 0.98, alkaline reserve was 554.58 mg%. The difference Withers height The heart-girth index is(%): . between maximum and minimum indicators in the groups was non-reliable: 1.63% in terms of red cells number, 2.87% and Pastern girth 100 2.93% for hemoglobin content and alkaline reserve, Withers height Pastern-girth index is (%): . respectively; 4.17% for globular value. Weight The level of blood protein components: total protein, total Withers height and residual nitrogen on average in all groups correspondingly Density index is (units): . amounted to 60.75 g/l, 987.57 and 22.58 mg%. The difference Weight between maximum and minimum as per these indicators Heart girth respectively amounted to 1.11; 3.39 and 3.23%. Mass index is (units): . The calcium level varied from 3.06 mmol/l in the 2nd group Weight up to 3.10 mmol/l in the reference group; in terms of inorganic Pastern girth The pastern load index is (units): . phosphorus the variation was from 1.61 mmol/l in the reference group up to 1.64 mmol/l in the 2nd test group. The difference between greater and smaller indicators respectively amounted To evaluate the carcass traits, a control slaughter of 3 heads to: for calcium 1.31%, for indicator phosphorus 1.86%. from each group in the age of 12 months was performed.

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