scholarly journals EXCHANGE OF MATTER AND ENERGY IN FATTENING STORE PIGS DURING FEEDING PROBIOTIC-SUPLEMENTED FEED MIX

Author(s):  
L.N. Gamko ◽  
◽  
I.I. Sidorov ◽  
А. G. Menyakina ◽  
◽  
...  

In the article the research results on feeding fattening store pigs using in its cmposition 300 and 350g/t of probiotic additive during daily feeding 2, 23 kg of feed mix in average per experiment. The research object fattening store pigs of large white with middle body weight 38,6 -39,0 kg and probiotic additive «Provagen». Store pigs for experiment were selected from sows, which were fed for 30 days before farrow by probiotic additive at the same doze in composition of feed mix. Absolute liveweight gain for reference period was 60,4 in control group, in the second experiment group 61,5 and in the third 62,0 kg. Daily average was respectively 525, 535 and 539 g. Coefficients for digestibility of nutritious matters of feed mix with probiotic additive were higher, especially in the third experimental group- crude fat and crude fiber for 4,1 and 49,8 %.Daily average balance of nitrogen, calcium and phosphorus were positive. Nitrogen of store pigs was held in the second experimental group for 10,9 and in the third for 21,2 % more in comparison to the control group. Morphological and biochemical blood indicators were within physiological normal state. Feeding probiotic additive as part of feed mix for fattening store pigs allowed to find out more effective doze of probiotic additive introduction in feed mix during integrated research for – 350g/t.

Author(s):  
M. G. Povod ◽  
О. G. Mykhalko ◽  
V. F. Andreychuk

The article compares the reproductive qualities of sows of Danish selection obtained by different breeding methods during their seven farrowings in one farm. It was found that local sows F1 obtained from mothers of Landrace breed and boars of Danish Large White breed had a significant excess of the total number of piglets at birth over analogs obtained by backcrossing of two-breed sows with boars of Danish Landrace breed by 0.90 head or 5.92 % (p<0,001). Both purebred sows of Danish Landrace and local sows significantly exceeded their peers obtained by the method of backcrossing by the number of stillborn piglets by 1.17 heads or 45.88% (p<0.001) and 0.5 heads or 26.60% (p<0.001) respectively. The probable lag of sows obtained by backcrossing in terms of the proportion of stillborn piglets from both purebred analogs by 5.03% (p<0.05) and from local analogs – by 9.29% (p<0.05). The complex indicator of reproductive qualities, calculated as an evaluation index, showed that the best such qualities were possessed by livestock for purebred breeding, where animals scored 0.05 and 0.74 points more than their peers F1 and Fr, respectively. The calculation of the estimated selection index of reproductive qualities of sows allowed to state that sows obtained from backcrossing had a higher value of 109.66 points, which is more than their purebred peers – by 4.48 points and local peers – by 3.96 points. According to the results of the first farrowing, a significant difference in the total number of piglets at birth, fertility, number of piglets at weaning, safety, nest weight at weaning, the weight of 1 head at weaning between livestock groups is not established but found that purebred sows relative to analogs obtained from backcrossing had a significantly higher number of stillborn piglets by 0.75 head or 60.00% (p<0.01) and the proportion of stillborn piglets by 5.09% (p<0.01). Evaluation of the data of the second, fourth, fifth and seventh farrowings revealed no significant difference in the bulk of the indicators of reproductive qualities of sows between the livestock of all groups. The study of the third farrowing allowed claiming that the number of stillborn piglets in this period was probably higher in sows of the first control group relative to analogs of the second experimental (F1) by 0.73 heads or 31.88% (p<0,05) and relative to analogs Experimental III (Fr) by 0.97 heads or 42.36% (p<0.01). According to the sixth farrowing piglets of the II experimental group (F1) exceeded the number of births by 1,77 heads or 12.46% (p<0.05) – control analogs, the fertility rate – by 2.32 heads or 19.66% (p<0.01) – analogs of the control and 1.41 head or 9.99% (p<0.05) – analogs of the III experimental group (Fr), but at the same time inferior in terms of safety to peers of the control group by 13.25% (p<0.01). Intergroup analysis of data showed that during the sixth farrowing piglets of the II experimental group (F1) exceeded the fertility rate – by 2.32 heads or 19.66% (p<0.01) – control analogs and 1.41 heads or 9.99% (p<0.05) – analogs of the III experimental group (Fr). The study of the dynamics of absolute, average daily, and relative growth of piglets revealed that both in the control group (purebred Danish Landrace) and in the third experimental group (Fr) in terms of seven farrowings, the indicators did not differ statistically. However, piglets of group II (F1) during the sixth farrowing had the highest values: the absolute increase was 6.18 kg, exceeding the first by 0.58 kg or 10.36% (p <0.05), the average daily gain – 221 g, which is higher than the average for the first farrowing in the group by 20 g or 10.50 % (p<0.05) and a relative increase of 138.62%, which is higher than the results of the first by 7.23% (p <0.01).


2020 ◽  
Vol 22 (2) ◽  
pp. 38-42
Author(s):  
O. Slivinska ◽  
◽  
R. Iskra ◽  

The aim of the research was to investigate the effect of chromium and zinc citrates on the NO-synthase (NOS) activity of erythrocytes in rats with streptozotocin diabetes. In three series of investigations rats were divided into four groups (I — control, II, III and IV — experimental) each one containing 7 animals. During four weeks, in the first series of investigations chromium citrate was added with water to the main diet of animals in III and IV groups in amounts of 10 and 25 μg Cr3+/kg of body weight; in the second series, zinc citrate was added in amounts of 20 and 50 mg Zn2+/kg of body weight respectively. In the third series, the animals of III group received chromium citrate in amount 25 μg Cr3+/kg of body weight and zinc citrate in amount 50 mg Zn2+/kg of body weight with water. The rats of II experimental group in all series received clean water with no citrates added. A month later, in animals of all experimental groups on the background of a 24-hour fasting an experimental diabetes mellitus was induced by a single intraperitoneal injection of streptozotocin in amounts of 45 mg/kg of body weight with the previous injection of nicotinamide. Diabetes occurred on the third day. Animals with a glucose concentration of 14 mmol/L were used for the experiment. The material for the investigation was the blood of rats, in which the concentration of glucose and the relative count of glycosylated hemoglobin were determined, in erythrocytes — NO-synthase activity: general, inducible and constitutive. As a result of the conducted research, it has been found that under streptozotocin induced experimental diabetes in erythrocytes of rats of experimental group II in both series of investigations the activity of general and inducible NOS increased, while the activity of the constitutive NOS did not change compared with the animals of the control group. The introduction of chromium and zinc citrates into the animals’ diet in the above mentioned doses led to the decrease in the activity of the general and inducible NOS compared with the animals of group II with streptozotocin diabetes, indicating a positive effect of the studied microelements on NOS activity in erythrocytes of rats. Thus, the use of chromium and zinc citrates in the diet of rats with diabetes has a normalizing effect on the state of NOS activity, what can reduce the harmful influence of hyperglycemia on the development of oxidative and nitrosative stress.


Author(s):  
Meryanti Napitupulu And Anni Holila Pulungan

This study was conducted as an attempt to discover the effect of applying Demonstration Method on students’ achievement in speaking skill. It was an experimental research. The subject was students of Grade XII, Vocational High School (Sekolah Menengah Kejuruan: SMK), which consisted of 79 students. The research was divided into two groups: experimental and control groups. The instrument used to collect the data was speaking test. To obtain the reliability of the test, the writer applied Kuder Richardson 21 formula. The result of the reliability was 0.7, and it was found that the test was reliable. The data were analyzed by using t-test formula. The analysis showed that the scores of the students in the experimental group were significantly higher than the scores of the students in the control group at the level of significant m = 0.05 with the degree of freedom (df) 77, t-observed value 8.9 > t-table value 1.99. The findings indicate that using Demonstration Method significantly affected the students’ achievement in speaking skill. So, English teachers are suggested to use Demonstration Method in order to improve students’ achievement in speaking skill.


2021 ◽  
Vol 16 (1) ◽  
Author(s):  
Mingchen Zou ◽  
Haotian Wu ◽  
Shuangquan Yao ◽  
Dong Ren ◽  
Song Liu ◽  
...  

Abstract Background This study was done to observe the incidence of Osteo-line on the femur neck and to explore the clinical application of Osteo-line in osteotomy. Methods Eighty-nine adult femur specimens were selected to observe the incidence of Osteo-line on the femur neck. From August 2015 to January 2019, a total of 278 patients who completed unilateral hip arthroplasty at the Third Hospital of Hebei Medical University were retrospectively included. Patients who accepted osteotomy via Osteo-line on the femur neck were defined as the experimental group (n = 139), and patients who accepted osteotomy via traditional method (The femoral distance 1.5 cm above the trochanter was retained for osteotomy by visual inspection.) were defined as the control group (n = 139). According to the postoperative pelvic X-ray, Photoshop was used to evaluate the leg length discrepancy (LLD) by the CFR-T-LT method. Results Among the 89 specimens, the incidence of anterior Osteo-line was 75.28%, and the incidence of posterior Osteo-line was 100%. According to the clinical application results, the incidence of anterior Osteo-line on the femur neck was 80%, and the incidence of posterior Osteo-line was 100%. The Osteo-line was clearer than those on the femoral specimens. Twenty-six cases had LLD greater than 1 cm (9.29%), including 2 cases in the experimental group and 24 cases in the control group. The average postoperative LLD in the experimental group (0.19 ± 0.38 mm) was significantly shorter than in the control group (0.54 ± 0.51 mm)(P = 0.005). Conclusion The incidence of Osteo-line on the femur neck was high, and patients who accepted osteotomy via Osteo-line on the femur neck can achieve shorter postoperative LLD than the control group.


Author(s):  
Aaron R. Caldwell ◽  
Megan E. Rosa-Caldwell ◽  
Carson Keeter ◽  
Evan C. Johnson ◽  
François Péronnet ◽  
...  

<b><i>Background:</i></b> Debate continues over whether or not individuals with low total water intake (TWI) are in a chronic fluid deficit (i.e., low total body water) [<xref ref-type="bibr" rid="ref1">1</xref>]. When women with habitually low TWI (1.6 ± 0.5 L/day) increased their fluid intake (3.5 ± 0.1 L/day) for 4 days 24-h urine osmolality decreased, but there was no change in body weight, a proxy for total body water (TBW) [<xref ref-type="bibr" rid="ref2">2</xref>]. In a small (<i>n</i> = 5) study of adult men, there were no observable changes in TBW, as measured by bioelectrical impedance, after increasing TWI for 4 weeks [<xref ref-type="bibr" rid="ref3">3</xref>]. However, body weight increased and salivary osmolality decreased indicating that the study may have been underpowered to detect changes in TBW. Further, no studies to date have measured changes in blood volume (BV) when TWI is increased. <b><i>Objectives:</i></b> Therefore, the purpose of this study was to identify individuals with habitually low fluid intake and determine if increasing TWI, for 14 days, resulted in changes in TBW or BV. <b><i>Methods:</i></b> In order to identify individuals with low TWI, 889 healthy adults were screened. Participants with a self-reported TWI less than 1.8 L/day (men) or 1.2 L/day (women), and a 24-h urine osmolality greater than 800 mOsm were included in the intervention phase of the study. For the intervention phase, 15 participants were assigned to the experimental group and 8 participants were assigned to the control group. The intervention period lasted for 14 days and consisted of 2 visits to our laboratory: one before the intervention (baseline) and 14 days into the intervention (14-day follow-up). At these visits, BV was measured using a CO-rebreathe procedure and deuterium oxide (D<sub>2</sub>O) was administered to measure TBW. Urine samples were collected immediately prior, and 3–8 h after the D<sub>2</sub>O dose to allow for equilibration. Prior to each visit, participants collected 24-h urine to measure 24-h hydration status. After the baseline visit, the experimental group increased their TWI to 3.7 L for males and 2.7 L for females in order to meet the current Institute of Medicine recommendations for TWI. <b><i>Results:</i></b> Twenty-four-hour urine osmolality decreased (−438.7 ± 362.1 mOsm; <i>p</i> &#x3c; 0.001) and urine volume increased (1,526 ± 869 mL; <i>p</i> &#x3c; 0.001) in the experimental group from baseline, while there were no differences in osmolality (−74.7 ± 572 mOsm; <i>p</i> = 0.45), or urine volume (−32 ± 1,376 mL; <i>p</i> = 0.89) in the control group. However, there were no changes in BV (Fig. <xref ref-type="fig" rid="f01">1</xref>a) or changes in TBW (Fig. <xref ref-type="fig" rid="f01">1</xref>b) in either group. <b><i>Conclusions:</i></b> Increasing fluid intake in individuals with habitually low TWI increases 24-h urine volume and decreases urine osmolality but does not result in changes in TBW or BV. These findings are in agreement with previous work indicating that TWI interventions lasting 3 days [<xref ref-type="bibr" rid="ref2">2</xref>] to 4 weeks [<xref ref-type="bibr" rid="ref3">3</xref>] do not result in changes in TBW. Current evidence would suggest that the benefits of increasing TWI are not related changes in TBW.


Author(s):  
I. A. Pushkaryev ◽  
N. M. Kostomakhin ◽  
S. V. Burtseva ◽  
N. A. Novikov

The reproductive traits of sows are of paramount importance in the production of high-quality pork. The world experience of pig farming shows the need to solve first of all the feed problem. Diets unbalanced in the content of vitamins restrain the manifestation of genetically inherent high prolificacy of sows. The purpose of the research was to study the influence of feeding the vitamin feed additive “LipoCar” on the reproductive traits of sows and the biochemical parameters of blood serum. The results of research on the introduction of vitamin feed additive “LipoCar” into the diet of pregnant sows have been presented in the article. The experiment has been carried out in the production conditions in JSC “Linevsky pedigree farm” on sows of Large White breed. Pregnant sows have received a basic diet, balanced for all the normalized elements of nutrition. Sows of the experimental group in the composition of the basic diet fed the feed additive “LipoCar”. The dosage of the drug “Lipocar” was 2,1 g/head/day. “Lipocar” has been fed for 20 days. The total duration of the experiment was 3 months. When introducing the vitamin feed additive “LipoCar” into the main diet of sows in the second half of pregnancy the increase in the number of piglets in the litter by 1,6-6,8 % and the weight of the litter – by 5,6-56,2 % (P ≤ 0,001) have been revealed in comparison with the control group of animals. There was a higher content of carotene in the blood serum of sows of the experimental group by 50,0 % (P ≤ 0,01), vitamin A - by 48,7 % (P ≤ 0,05), and total protein – by 4,9 % (P ≤ 0,05).


Author(s):  
D. Skafar ◽  
D. Shumeyko

Purpose: to study the effect of ethanol on the parameters of THC, the percentage of granulocytes and total protein in the hemolymph of the Red claw crayfish (Cherax quadricarinatus).Materials and methods. The object of this experiment was 26 males of the Australian red-clawed crayfish (Cherax quadricarinatus) weighing from 23 to 83 g. The individuals were evenly divided into two experimental groups - with an injection of ethanol and a control group without an injection of 13 crayfish for each group. The injection dose was 2515 mg per 100 g of body weight. A day after the introduction of ethanol, hemolymph was taken with a syringe from the ventral sinus, the syringe was pre-washed with a 4% EDTA-Na2 solution. Three parameters were determined: the total hemocyte count (THC), percent granulocytes and percent total protein content. Counting of hemocytes and determination of granulocytes were performed in a Goryaev chamber under a light microscope. The total protein was determined by the refractometric method.Results. Differences in THC and total protein between the groups were statistically unreliable (p>0,05). THC in the experimental group is 36% more than in the control group. The total protein after the introduction of ethanol actually increased by 0,7%, and relatively by 14%. There were statistically different indicators of the proportion of granulocytes (p<0,05) - the average value of 33,1% in the experimental group versus 24,5% in the control group. A reliable (p<0,05) strong feedback was revealed between the total protein and the mass of individuals in both experimental groups, while in the experimental group there is a visible shift in the values of dependent hemolymph indicators towards an increase in smaller individuals.Conclusion. A single injection of ethyl alcohol with a dosage of 2515 mg per 100 g of body weight into the hemolymph of C. quadricarinatus does not cause significant changes in the THC and total protein after 24 hours. At the same time, the proportion of granulocytes actually increases by 9%, relative to 37%. This may indicate that granulocytes are involved in the formation of cancer defense mechanisms when exposed to toxic substances. The effect of different dosages of ethanol injections and the duration of its effect on hematological parameters requires additional consideration. It is necessary to investigate its effect on other indicators, such as the pH and buffer capacity of the hemolymph, the concentration of hemocyanin, glucose, lactates and calcium.


Author(s):  
A. S. Ivanova ◽  
N. V. Dunaeva

Increasing the production of pork meat requires careful work not only in terms of breeding, but also in the organization of complete feeding of animals, the correct selection of feed and feed additives containing the necessary nutrients. The purpose of the work was to analyze the use of premix in feeding young pigs on fattening. Two groups of fattening young pigs (Large White×Landrace) have been selected for the researches using the method of analogous groups, taking into account the breed, age, and live weight per 20 heads in each group with a live weight of 35 kg. Pigs of the control group have received the main economic diet, and animals of the experimental group have received an additional premix Khutorok at the rate of 10 g of premix per 1 kg of feed. The results have shown that the best age to reach 100 kg was in the experimental group of pigs – 215,8 days, which received premix with feed that characterizes their higher precocity by 36,3 days (P < 0,001) than in the control group of animals. The use of this premix had a positive impact on the livability of young animals, in the experimental group it was by 9,3 abs.% more than in the control group of animals. Thus, the best fattening traits have been possessed by young pigl of the experimental group have been received the premix Khutorok in their diet at the rate of 10 g of premix per 1 kg of feed. The obtained data indicate the feasibility of using the premix Khutorok in the feeding pigs for fattening.


2016 ◽  
Vol 51 (9) ◽  
pp. 688-695 ◽  
Author(s):  
Roberto Benis ◽  
Matteo Bonato ◽  
Antonio La Torre

Context: Neuromuscular training enhances unconscious motor responses by stimulating both the afferent signals and central mechanisms responsible for dynamic joint control. Dynamic joint-control training is a vital component of injury-prevention programs. Objective: To investigate the effects of body-weight neuromuscular training on Y-Balance Test (YBT) performance and postural control in female basketball players. Design: Randomized controlled clinical trial. Setting: Basketball practice sessions. Patients or Other Participants: A total of 28 healthy elite female basketball players were randomly assigned to an experimental (n = 14) or a control group (n = 14). Intervention(s): Before their regular practice sessions, the experimental group warmed up with body-weight neuromuscular exercises and the control group with standard tactical-technical exercises twice weekly for 8 weeks. Main Outcome Measure(s): Anterior-, posteromedial-, and posterolateral-reach and composite YBT scores were measured before and after 8 weeks of training. Results: Improvement over baseline scores was noted in the posteromedial (right = 86.5 ± 4.5 cm versus 89.6 ± 2.2 cm, +3.5%, P = .049; left = 85.5 ± 4.3 cm versus 90.2 ± 2.7 cm, +5.5%, P = .038)- and posterolateral (right = 90.7 ± 3.6 cm versus 94.0 ± 2.7 cm, +3.6%, P = .016; left = 90.9 ± 3.5 cm versus 94.2 ± 2.6 cm, +3.6%, P = .011)-reach directions and in the composite YBT scores (right = 88.6% ± 3.2% versus 94.0% ± 1.8%, +5.4%, P = .0004; left = 89.2% ± 3.2% versus 94.5% ± 3.0%, +5.8%, P = .001) of the experimental group. No differences in anterior reach were detected in either group. Differences were noted in postintervention scores for posteromedial reach (right = 89.6 ± 2.2 cm versus 84.3 ± 4.4 cm, +4.1%, P = .005; left = 94.2 ± 2.6 cm versus 84.8 ± 4.4 cm, +10%, P = .003) and composite scores (right = 94.0% ± 1.8% versus 87.3% ± 2.0%, +7.1%, P = .003; left = 94.8% ± 3.0% versus 87.9% ± 3.4%, +7.3%, P &lt; .0001) between the experimental and control groups. Conclusions: Body-weight neuromuscular training improved postural control and lower limb stability in female basketball players as assessed with the YBT. Incorporating neuromuscular training into the workout routines for basketball players may enhance joint awareness and reduce the risk of lower extremity injury.


2020 ◽  
Vol 5 (2) ◽  
pp. 63-71
Author(s):  
Vladimir Nikulin ◽  
Aleksandra Mustafina

The aim of the study is to increase the productive qualities of broiler chickens by including ultrafine silicon oxide into main diet. During the experiment, the biological effect of ultrafine silicon oxide on broiler chickens was estab-lished. Use of ultrafine SiO2 particles for poultry feeding contributed to an increase in the number of red blood cells and content of total protein and albumins. By the end of the experiment, the number of red blood cells in birds in-creased by 17.43% (P≤0.001) – in the blood of birds of the first experimental group, 16.51% (P≤0.01) – the second one, 20.80% (P≤0.001) – the third experimental and 21.71% (P≤0.001) – the fourth experimental group, compared with the indicator of the control group. The amount of total protein in blood serum of chickens of the first and the second experimental groups increased by 1.36-1.39 %, in the third and fourth ones there was a significant (P≤0.05) increase by 5.45 and 3.05%, respectively. The blood glucose content of chickens in the experimental groups is higher by 8.04-23.65% compared to this indicator with ones in the control group. During the experiment feed con-sumption per 1 kg gain of live weight decreased: in the first experimental group by 3.00 % in the second by – 0.50 %, the third – 6.00 % the fourth– by 4.50 %, compared to this with the control group. The chicken’s vibrancy of the first the experimental group was higher by 4.77 %, the second – by 6.20 %, the third – by 19.25 % and the fourth– by 11.59% than in the control one. Consequently, when converting the feed energy into the body energy of a broiler chicken, the energy conversion coefficient of the experimental group of poultry is higher than that of the control one by 7.16-21.76 %. Thus, the most optimal dose for further research was determined.


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