Gunun, P.;Wanapat, M.;Gunun, N.;Cherdthong, A.;Sirilaophaisan, S.;Kaewwongsa, W.
Asian-Australasian Journal of Animal Sciences
/
v.29
no.8
/
pp.1111-1119
/
2016
Mao seed is a by-product of the wine and juice industry, which could be used in animal nutrition. The current study was designed to determine the effect of supplementation of mao (Antidesma thwaitesianum Muell. Arg.) seed meal (MOSM) containing condensed tannins (CT) on rumen fermentation, nitrogen (N) utilization and microbial protein synthesis in goats. Four crossbred (Thai Native${\times}$Anglo Nubian) goats with initial body weight (BW) $20{\pm}2kg$ were randomly assigned to a $4{\times}4$ Latin square design. The four dietary treatments were MOSM supplementation at 0%, 0.8%, 1.6%, and 2.4% of total dry matter (DM) intake, respectively. During the experimental periods, all goats were fed a diet containing roughage to concentrate ratio of 60:40 at 3.0% BW/d and pangola grass hay was used as a roughage source. Results showed that supplementation with MOSM did not affect feed intake, nutrient intakes and apparent nutrient digestibility (p>0.05). In addition, ruminal pH and ammonia nitrogen ($NH_3$-N) were not influenced by MOSM supplementation, whilst blood urea nitrogen was decreased quadraticly (p<0.05) in goats supplemented with MOSM at 2.4% of total DM intake. Propionate was increased linearly with MOSM supplementation, whereas acetate and butyrate were remained the same. Moreover, estimated ruminal methane ($CH_4$) was decreased linearly (p<0.05) when goats were fed with MOSM at 1.6% and 2.4% of total DM intake. Numbers of bacteria and protozoa were similar among treatments (p>0.05). There were linear decreases in urinary N (p<0.01) and total N excretion (p<0.01) by MOSM supplementation. Furthermore, N retention was increased linearly (p<0.05) when goats were fed with MOSM supplementation at 1.6% and 2.4% of total DM intake. Microbial protein synthesis were not significantly different among treatments (p>0.05). From the current study, it can be concluded that supplementation of MOSM at 1.6% to 2.4% of total DM intake can be used to modify ruminal fermentation, especially propionate and N utilization in goats, without affecting the nutrient digestibility, microbial populations and microbial protein synthesis.
Park, Moo-Kyung;Park, Se-Ki;Kim, Dong-Woo;Han, Yang-Hee;Jun, Chan-Yong;Park, Chong-Hyeong
The Journal of Korean Medicine
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v.20
no.2
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pp.43-53
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1999
The purpose of this study is to find out the effects of honey-fried Astragali Radix extract on the nephrotoxicity in rats induced by cyclosporin A(CsA). The experimental rats were divided into three groups of ten. The Normal group was given nothing. The Control group was given only saline water every day for 14 days after the subcutaneous IV injection of 50mg/kg in CsA every other day during a period of 14 days. The sample group was administered 4.8mg/200g of Astragali Radix extract daily for 14 days after the subcutaneous IV injection of 50mg/kg in CsA every other day for 14 days. These groups were observed for 14 days. This experimental research focused on measuring the levels of BUN, creatinine, total protein, sodium, potassium, chloride, AST and ALT in the serum and specific gravity and creatinine in the urine. The results were summarized as follows: 1. Changes in serum The levels of BUN, creatinine. AST and ALT in the serum were significantly decreased in the sample group as compared with those of the control group. Total Protein level in the serum was significantly increased in the sample group as compared with that of the control group. Sodium and Potassium levels in the serum in the sample group were a little lower than those of the control group but no significance was noted. The chloride level in the serum in the sample group significantly increased as compared with that of the control group on the 7th day but in the sample group was significantly decreased as compared with that of the control group on the 14th day 2. Changes in urine Urinary specific gravity in the sample group showed significant increase, compared to the control group on the 7th day but were a little higher than that of the control group on the 14th day. Creatinine level in the urine were a little higher than that of the control group but no significance was found. These results suggest that honey-fried Astragali Radix might be effective on the nephrotoxicity in rats caused by CsA.
A general survey of 82 perschool children and 473 school children (from 1st to 3rd grade) residing in the Dongnae area of Shindong Myun, choonseoung Gun, Kangwon Province was conducted from June 12 to 21, 1973, to obtain information concerning nutritional status, especially the protein and iron nutrition of preschool and school children in a rural area of Korea. A sample of 58 children 2 to 9 years old was selected from these 555 children for hematological, biochemical and parasitological tests. The results of these tests are presented below, 1) Both the mean body height and mean body weight of these children were higher and heavier than the averages in the Korean Physical Standards. About 39 per cent were above the 90 th percentile of the Korean Physical Standards of height and 35 per cent were above the 90th percentile of the Korean Physical Standards of weight. 2) The rate of infestation by helminthes was 67.6 per cent and there were no cases of hookworm infestation Among the ascaris-infected children, 61.6 per cent fell within an Ascaris E.P.G. count range of $501{\sim}2,000$. This was considered a rather mild intensify of ascaris infection. Nutrient loss due to helminthes was also estimated to be low. 3) The mean hemoglobin level was 11.3gm% $({\pm}0.94)$, and 68.4 per cent of the children were anemic (less than 11gm% among those 5 years old or less, less than l2gm% among those 6 years old or more). The average hematocrit value was 36.1% $({\pm}2.36)$, and only 3.5 per cent showed more than 34% on the M.C.H.C. test. These results showed that the incidence of anemia, in these rural children was high, and that in general it displayed hypochromic characteristics. 4) The average serum iron level was $78.2{\mu}g%$\;({\pm}29.8). The Proportion of the children showing less than $50{\mu}g% in the serum iron level was 5.6 per cent, while 41.8 percent revealed $450{\mu}g% or more in the TIBC determination. Transferrin saturation was below 15% in 71.4 percent of the preschool children, and in 28.6 percent of the school children. Those who had a serum iron level of $50{\mu}g% or less and a TIBC of more than $450{\mu}g% constituted 11.9 percent of the children examined. From these results, it was concluded that especially preschool children were low in iron nutrition, and that most of the anemia might be iron-deficiency anemia. 5) The mean values of total serum protein and albumin were 6.98gm% and 4.99gm% respectively. Especially in serum albumin, all children stowed more than 4 gm%. 6) The mean urinary urea nitrogen Per creatinine ratio was 11.5 $({\pm}4.2)$, and 21.8 percent had a ratio of more than 15. Considering these results, it was suggested that protein nutrition in these children was relatively good.
In order to study the effects of $\alpha$-tocopherol acetate in glomerular injury, the minimal change nephrosis disease was induced by puromycin aminonucleoside (PAN) in spontaneously hypertensive rats, and we examined biochemical analysis in serum and morphological changes. The experimental animals were divided to control, PAN-treated (30 mg/kg, I.p.), vitamin E-treated (200 mg/kg, P.O.), and PAN+vitamin E-treated groups. After PAN injection, the rate of increase of body weight was lower than the other treatments. In addition, at 8 days after PAN injection, total protein content in serum was the lowest, whereas both blood urea nitrogen and serum creatinine contents were the highest in all experimental groups, which their changes of serum parameters were statistically significant. In morphological changes, the glomerular tissue at 8 days after PAN injection clearly showed obstruction of urinary space and proliferation of mesangial cells, and that loss and fusion of pedicles, vacuolization and edema of endothelial cells, and thickness of basal lamina were ultrastructurally showed in the glomerulus. Glomerular injury was significantly prevented by administration of vitamin E having an antioxidant effect. It suggested that the glomerular injury induced by PAN was accelerated by hypertension, and renal dysfunction might be induced by oxidative injury.
The renoprotective effects of Korean Red Ginseng were examined in STZ-induced diabetic spontaneously hypertensive rats (SHR). After 3 day administration of streptozotocin (STZ), animals were divided into four groups : Group 1, hypertensive rats (H); Group 2, hypertensive rats with diabetes (HD); Group 3, hypertensive rats with diabetes administered with 100 mg/kg of ginseng total saponin(GTS); Group 4, hypertensive rats with diabetes administered with 600 mg/kg of ginseng non-saponin (GNS). After 2 weeks oral administraions of GTS and GNS, body weight, kidney weight, plasma glucose, urinary albumin excretion, serum creatinine, urea nitrogen and blood pressure were examined. After 3,7 and 21 day of STZ administration, expressions of TGF-${\beta}$1 and fibronectin in kidney were analyzed by immunoblotting and/or immunohistochemistry. GTS and GNS treatments slightly decreased blood pressure when compared to H and HD groups. Also, GTS and GNS treatments ameliorated kidney hypertrophy without affecting plasma glucose levels. Meanwhile, GNS treatment increased Cu/Zn-SOD activity in kidney and generally showed more efficient renoprotective effects than GTS. We suggest that the renoprotective effects of ginseng partially result from downregulations of TGF-${\beta}$1, fibronectin expressions and anti-oxidative activity of ginseng non-saponin.
Four Thai - rumen fistulated male swamp buffaloes (Bubalus bubalis), about four years old with $400{\pm}20kg$ liveweight, were randomly assigned according to a $4{\times}4$ Latin square design to receive dietary treatments. The treatments were: ground corn cob (GCC) replacement for cassava chip (CC) in concentrate at 0% (T1); GCC replacement at 33% (T2); GCC replacement at 67% (T3); and GCC replacement at 100% (T4), respectively. During the experiment, concentrate was offered at 0.5% BW while 5% urea-treated rice straw was given at ad libitum. The result revealed that there was no effect of GCC replacement on DMI among treatments. In addition, digestibilities of DM, OM and CP were not different while aNDF linearly increased with an increasing level of GCC replacement. However, GCC replacement did not affect rumen fermentation such as ruminal pH, $NH_3$-N and VFA concentration; except C3 proportion which was the highest at 33% replacement while the lowest was at 100% replacement. All replacements of GCC resulted in similar protozoal and bacterial populations and microbial protein synthesis (MPS). Purine derivatives (PD) concentration in urine and PD to creatinine (PDC) index were varied with time of urination and among treatments at 0 to 8 and 8 to 16 h post feeding and higher values were shown among the GCC replacement groups. However at 16 to 24 h-post feeding, it was untraceable. In addition, creatinine concentration was similar among all treatments at every sampling time. Based on the above results, GCC can be used as an energy source for swamp buffalo fed with rice straw. Spot sampling of urine can be used for purine derivatives determination.
Objective: This trial was performed to examine the effects of ruminally degradable starch (RDS) levels in total mixed ration (TMR) with low corn-based starch on the milk production, whole-tract nutrient digestibility and nitrogen balance in dairy cows. Methods: Eight multiparous Holstein cows (body weight [BW]: $717{\pm}63kg$; days in milk [DIM]: $169{\pm}29$) were assigned to a crossover design with two dietary treatments: a diet containing 62.3% ruminally degradable starch (% of total starch, low RDS) or 72.1% ruminally degradable starch (% of total starch, high RDS). Changes to the ruminally degradable levels were conducted by using either finely ground corn or steam-flaked corn as the starch component. Results: The results showed that dry matter intake, milk yield and composition in dairy cows were not affected by dietary treatments. The concentration of milk urea nitrogen was lower for cows fed high RDS TMR than low RDS TMR. The whole-tract apparent digestibility of neutral detergent fiber, acid detergent fiber and crude protein decreased, and that of starch increased for cows fed high RDS TMR over those fed low RDS TMR, with no dietary effect on the whole-tract apparent digestibility of dry matter and organic matter. The proportion of urinary N excretion in N intake was lower and that of fecal N excretion in N intake was higher for cows fed high RDS TMR than those fed low RDS TMR. The N secretion in milk and the retention of N were not influenced by the dietary treatments. Total purine derivative was similar in cows fed high RDS TMR and low RDS TMR. Consequently, estimated microbial N flow to the duodenum was similar in cows fed high RDS TMR and low RDS TMR. Conclusion: Results of this study show that ruminally degradable starch levels can influence whole-tract nutrient digestibility and nitrogen balance in dairy cows fed low corn-based starch diets, with no influence on performance.
The purpose of this study was to evaluate the effects of protein supplementation of green tea waste (GTW) on the performance of lactating cows. Another aim was to increase resource utilization and to eliminate any environmental negative impact from the tea waste. GTW from a beverage company was ensiled at a low pH (<4.0) and high acetic acid and lactic acid concentration, and it contained high crude protein (CP, 34.8%), total extractable tannins (TET, 9.2%) and condensed tannin (CT, 1.7%). Two experiments were conducted to investigate the palatability and performance in lactating cows fed GTW. In the palatability trial, three lactating cows were allocated to three dietary treatments in a 3$\times$3 Latin square design. The animals were offered a total mixed ration (TMR) including GTW at rates of 0, 2.5 and 5.0% on a dry matter (DM) basis. Total DM intake was not different among the treatments. In the performance trial, four lactating cows were used in a 2$\times$2 Latin square design with a 3 week sampling period. GTW was incorporated into TMR at a rate of 5.0% on a DM and 10.0% on a CP basis. Thus GTW replaced alfalfa hay and soybean meal at a level of 25.0% on a DM. DM and CP intake were not affected by the inclusion of GTW, whereas TET and CT intake were significantly increased (p<0.001). Milk production, milk composition and the efficiency of milk production were not altered by the GTW inclusion. Although ruminal pH and VFA, and blood urea nitrogen were not changed, ruminal $NH_{3}-N$ and plasma total cholesterol were relatively low in the GTW group, but not significantly different. The excretion of urinary purine derivatives and estimated MN supply were also not significantly affected by GTW treatment. It is therefore concluded that GTW can be used as a protein source without any detrimental effects on the performance of lactating cows.
The effects of Geumguesingitang and Dohongsamultang on rats with nephrosis induced by a single tail-intravenous injection of puromycin aminonucleoside(PAN), 2.5mg/l00g of body weight were evaluated in the present study. The effects of Geumguesingitang and Dohongsamultang on PAN nephrosis were evaluated by measuring (1)the concentrations of albumin, total protein, total lipid, cholesterol, triglyceride, creatinine, blood urea nitrogen(BUN) and uric acid in the serum, (2)the concentrations of protein, creatinine, glucose, occult blood and volume of the 24 hours urine and (3)the volume of intake water. The results are summerized as follows; 1. In the Control group as compared to the Normal. the amount of protein of 24 hours urine was significantly increased, the concentrations of albumin and total protein were significantly decreased. Total lipid, cholesterol and triglyceride in the serum were significantly increased. The concentrations of creatinine, BUN, uric acid in the serum, the amount of glucose and occult blood of 24 hours urine were also increased significantly. 2. In the Geumguesingitang group as compared to the Control, the increase in the amount of urinary protein during 24 hours induced by PAN was significantly suppressed, and the concentrations of total protein and albumin in the serum were significantly increased. The concentrations of total lipid, cholesterol and triglyceride in the serum were significantly inhibited. The decrease of the concentrations of creatinine and uric acid in the serum were also observed significantly. 3. In the Dohongsamultang group as compared to the Control, the increase of the amount of protein and glucose of the 24 hours urine induced by PAN were significantly inhibited, and the concentrations of total protein and albumin in the serum were increased significantly. The concentrations of total lipid, cholesterol and triglyceride in the serum were decreased significantly. The decrease of the concentrations of creatinine and uric acid in the serum were observed significantly. It can be inferred that Geumguesingitang has effects on improving proteinuria, hypoproteinemia effectively. It has an effect on hyperlipidemia significantly relieved. And relieving azotemia when nephrotic syndrome is accompanied by the acute renal failure. It can be inferred that Dohongsamultang improves hyperlipidemia effectively. It has effects on proteinuria, hypoproteinemia in nephrotic syndrome significantly relieved. And relieving azotemia when nephrotic syndrome is accompanied by the acute renal failure.
Two experiments were carried out to determine the utility of sainfoin hay, a temperate tanniferous forage legume, as a dietary supplement for grass-fed cows. The condensed tannins (CT) of sainfoin might counteract the typical metabolic ammonia load of cows in intensive grazing systems. Furthermore, the physical fibrousness of sainfoin might improve ruminal pH stability. In the preliminary experiment, the eating rate of non-lactating Holstein cows of two tanniferous hays, sainfoin and birdsfoot trefoil, was compared to that of a grass-clover hay after specific periods of time (n = 4). The eating rate of sainfoin was superior to that of the other forages. In the main experiment, designed as a replicated 3${\times}$3 Latin square, six ruminally-cannulated, lactating Red Holstein cows received grass, concentrate and either no supplementation, 3 kg/d of grass hay or 3 kg/d of sainfoin hay (n = 6). Measured intakes of the grass hay and the sainfoin hay were 2.0 and 1.5 kg DM, and two cows entirely refused to eat the sainfoin hay and had to be excluded from data analysis. Grass DMI was similar for cows supplemented with sainfoin hay and cows fed only grass whereas intake of concentrate was higher (p<0.01) for the latter treatment. Continuous measurement of ruminal pH showed that the minimum pH at night tended to be lower (p<0.10) with grass-only feeding compared to sainfoin supplementation, but pH did not decline below the threshold of subacute acidosis for a longer period of time. The slightly higher intake of nitrogen (N) for cows supplemented with sainfoin hay (413 g/d) compared to cows fed only grass (399 g/d) was accompanied by an increased (p<0.05) fecal N excretion and a tendency for an increased (p<0.10) urinary N excretion. Ruminal ammonia concentration, as well as plasma and milk urea, were not affected by sainfoin supplementation. In conclusion, the lack of positive effects typical for CT might be explained either by the limited CT content of this plant species (55 g/kg DM) or the relatively low proportion of sainfoin in the total diet or both. Moreover, due to the unexpected low grass quality, the general ammonia load might have been too low for CT to have an impact.
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