Two experiment were conducted to evaluate the feeding value of probiotics for the broiler chicks. Basal diets based on corn and soybean meal with no supplemental probiotics contained 21% dietary crude protein for the first 3 weeks and 19% for the rest of two weeks. In experiment 1, 0.2 % probiotics containing 2X 10 6 cfu /ml of Saccharomyces cerevisiae(S), Clostridium butyricum(C), Lactobacillus acidophilus(L), Bacillus polyfermenticus(B) were respectively supplemented to control groups. Two hundred day-olo chicks were randomly assigned to five treatments which had four replicates of 10 chicks each per treatment. Weight gain, feed consurnption, feed conversion ratio (FCR) were weekly measured for 5 weeks. The number of intestinal microflora was examined at the end of experiment. In experiment 1, Weight gain and feed intake of chicks fed probiotics exhibited a significant response compared to those of control for the first three weeks(P<0.01). Weight gain of S or C treatments was higher than that of control for the rest of two weeks, whereas it was significantly lower in L and B treatments than S or C treatments (P<0.01). Chicks fed S or C was significantly increased weight gain(P <0.05) compared to that of control at five weeks of age. FCR of C treatment seemed to improve relative to other supplemental probiotics groups, but was not significantly different. The number of intestinal anaerobes and Lactobacillus in large intestine of chicks fed probiotics supplements was significantly decreased compared to control groups(P<0.01). In experiment 2, there were six treatments: Ti, control; T2, 0.2%S; T3, 0.2%S + 0.2%C; T4, 0.2%S + 0.2%L; T5, 0.2%S + 0.2%B; T6, 0.2%S + 0.1%C + o.i%L + 0.1%B. Control diet based on corn soybean meal contained 21% CP and 3,2OOca1 /g ME with no probiotics. There were four replicates of 10 chicks each per treatment. Weight gain of chicks fed probiotics tended to increase compared to control groups, but were not significantly different between them. FCR was also improved in probiotics treatments. However, there were no significant differences between probiotics supplementation and control groups. The results of these experiments indicated that dietary supplemental probiotics improved weight gain, feed efficiency for the first three weeks of young broiler chicks, whereas supplementation of C, L, B combined probiotics to young broiler chicks was not superior to those of single or two probiotics.
Jin, G.L.;Choi, S.H.;Lee, H.G.;Kim, Y.J.;Song, Man K.
Asian-Australasian Journal of Animal Sciences
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제21권12호
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pp.1728-1735
/
2008
The present study was conducted with four ruminally canulated Holstein cows to observe the effects of monensin or fish oil on diet fermentation and production of conjugated linoleic acids (CLAs) in the rumen when fed diets supplemented with soybean oil and sodium bicarbonate. Cows of the control treatment were fed a basal diet (CON) consisting of 60% commercial concentrate and 40% chopped rye grass hay. Cows of other treatments were fed the same diet as CON, but the concentrate was supplemented with 7% of soybean oil and 0.5% of sodium bicarbonate (SO-B), SO-B supplemented with monensin (30 ppm, SO-BM) or concentrate supplemented with 6.3% of soybean oil, 0.5% of sodium-bicarbonate, 30 ppm of monensin and 0.7% of fish oil (SO-BMF). Dry matter (DM) intake of the cows was significantly (p<0.011) reduced by feeding the SO-BMF diet compared to the other diets which did not differ in DM intake. Whole tract digestibility of major dietary components was significantly (p<0.004-0.027) higher for SO-BMF than the other supplement-containing diets. Dietary supplements did not clearly affect rumen pH and ammonia concentrations compared to the CON diet. Significantly reduced (p<0.05) total VFA concentration was obtained by the addition of fish oil to the diet (SO-BMF) compared to other diets. No differences, however, were obtained in major VFA proportions as well as in total VFA between the supplemented diets. The SO-BM diet increased (p<0.01-0.05) the concentrations of trans-11 $C_{18:1}$ and linoleic acid in rumen fluid. Total CLA concentration was also increased by the feeding of SO-B and SO-BM diets during early fermentation times (up to 3 h) post-feeding. Cis-9, trans-11 CLA concentration in rumen fluid was highest (p<0.05) for SO-B up to 1 h while the highest (p<0.01) value for SO-BM occurred at 3 h post-feeding. An increased trans-10, cis-12 CLA concentration was obtained from the SO-B and SO-BM diets at 1 and 3 h post feeding compared to the other diets. Supplementation of oils with monensin and sodium bicarbonate increased (p<0.05) the proportions of $C_{18:1}$ and CLA in the plasma of cows, but the effect of monensin and/or fish oil was limited to trans-10, cis-12 CLA.
PARK Huem Gi;LEE Kyun Woo;LEE Sang-Min;KIM Sung Koo;LEE Jong Ha;LIM Young Soo
Korean Journal of Fisheries and Aquatic Sciences
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제33권2호
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pp.93-97
/
2000
This study was carried out to investigate the effect of rotifer fed the different diets in high density culture on larval flounder Paralichthys olivaceus. Potifer was enriched with enrichment supplements, Marine ${\alpha}\;and\;{\omega}-yeast$ for 6 hours after being cultured with freshwater Chlorella for 18 hours during high density culture before it was fed to larval flounder. And rotifer was culutured with marine Chlorella and freshwater Chlorella for 24 hours during semi-continuous high density culture before it was fed to larval flounder. Culture tanks(21 working volum) set for rotifer culture in a water bath($28{\circ}C$) were continuously supplied with oxygen gas. The content of n-3 HUFA to fatty acids in rotifer(dry weight ${\%}$) enriched with Marine ${\alpha}$ for 6 hours and cultures with marine Chlorella for 24 hours were higher than that in rotifer enriched with ${\omega}-yeast$ for 6 hours or cultured with freshwater Chlorella for 24 hours. The growth and survival rates of larval flounder fed on rotifer enriched with Marine ${\alpha}$ for 6 hours and cultured with marine Chlorella for 24 hours were higher than those of larval flounder fed on rotifer enriched with ${\omega}-yeast$ for 6 hours or cultured with freshwater Chlorella for 24 hours. And the content of n-3 HUFA of larval flounder fed on rotifer enriched with Marine ${\alpha}$ for 6 hours was higher than that of larval flounder fed on other rotifers, The results from this study indicated that rotifer culture with marine Chiorelia would be suitable for the high density culture and effective diet for the growth of larval flounder.
The present study was undertaken to investigate the effects of excess vitamin E supple-mentation (0.5%) and cholesterol (0.5%) on levels of serum and liver vitamin E and cholesterol in two categories of rats, group A and group B. Rats in group A(45-65g) were fed experimental diets for 3 weeks ( I-C, II-E, III-Ch, IV-ECh). On the other hand rats in group B(45g-65g) were first fed control diet for 3 weeks and then fed experimental diets when they were 100-l20g for the subsequent 3 weeks ( I'-C, II'-E, III'-Ch, & IV'-ECh). The levels of serum vitamin E were higher in vitamin supplemented groups as expected. Dietary cholesterol showed a tendency to lower serum vitamin E levels of vitamin E supplemented groups. Serum cholesterol levels tended to stay in a narrow range showing resistancy to dietary cholesterol and were not affected by vitamin E status. Whereas vitamin E supplementation seemed to lower the levels of hepatic cholesterol in both groups A & B( I-C, I'-C vs II-E, II'-E ), simultaneous supplementation of vitamin E with 0.5% cholesterol appeared to increase further the hepatic cholesterol levels which were already increased by cholesterol feeding ( IV-ECh, IV'-ECh, vs III- Ch, III'-Ch). Hepatic vitamin A levels decreased as rats grew older during the experimental period. Even though vitamin A levels did not differ from each other significantly, excess amount of vitamin E supplementation in group B seemed to show a tendency to decrease the vitamin A storage in liver.
Shim, Jung Ok;Kim, Seung;Choe, Byung-Ho;Seo, Ji-Hyun;Yang, Hye Ran
Nutrition Research and Practice
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제14권3호
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pp.230-241
/
2020
BACKGROUND/OBJECTIVES: Inadequate nutrition in infants and young children affects physical growth and neurocognitive development. Therefore, early nutritional intervention is important to promote catch-up growth in young children with faltering growth. The aim of this study was to evaluate the effect of nutritional supplementation with a pediatric concentrated and balanced nutritional supplement formula on promoting growth and improving nutritional status in children with nonorganic faltering growth. SUBJECTS/METHODS: Children aged 12-36 months whose body weight-for-age was < 5th percentile on the Korean Growth Charts were enrolled. Children born premature or having organic diseases were excluded. Children were instructed to consume 400 mL of formula per day in addition to their regular diet for 6 months. Pediatricians and dietitians educated the parents and examined the subjects every 2 months. Anthropometric parameters were measured at baseline and at 2, 4, and 6 months, and laboratory tests were done at baseline and 6 months. The good consumption group included children who consumed ≥ 60% of the recommended dose of formula. RESULTS: Total 82 children completed the 6-month intervention. At baseline, there were no significant differences in all variables between the good consumption and poor consumption groups. Weight and weight z-scores were significantly improved in the good consumption group compared to the poor consumption group at the end of the intervention (P = 0.009, respectively). The good consumption group showed a significant trend for gaining weight (P < 0.05) and weight z-score (P < 0.05) compared to the poor consumption group during 6 months of formula intake. The concentration of blood urea nitrogen was significantly increased in the good consumption group (P = 0.001). CONCLUSIONS: Nutritional supplementation with a concentrated and balanced pediatric nutritional formula along with dietary education might be an effective approach to promote catch-up growth in children with nonorganic faltering growth.
We investigated the effects of dietary supplements of probiotics, illite, active carbon and hardwood vinegar on growth performance, feed intake, and pH, shear force, sensory evaluation, meat color and fatty acid composition of meat in broilers. Two hundred broilers were fed diets for five weeks containing 0.2% of probiotics (T1), and 1% of Illite (T2), 1% active carbon (T3), or 1% hardwood vinegar (T4). Body weight gain was higher in T1 and T4 groups fed the starter diet but was the lowest in C and T4 for finishing period (P<0.05). Feed efficiency was not significantly different. In proximate composition, crude fat content of chicken meat were decreased lower in all treatment groups than control, but moisture, crude protein and crude ash were not significantly different. Cooking loss was decreased in T3 and T4 and WHC (water holing capacity) was increased in T3 and T4 groups compared to the other groups. In sensory evaluation, T4 tended to improve the hardness. Redness $(a^*)$ and yellowness $(b^*)$ were no difference between the all treatment groups, lightness $(L^*)$ were higher in T1, T2, T3 and T4 groups than control group (P<0.05). Stearic acid content was lower in T1, T2, T3 and T4 groups, but oleic acid contents were higher in T1, T2, T3 and T4 groups (P<0.05). These results showed that supplementing broiler diets with 1.0% hardwood vinegar may noticeably improve the meat quality of broiler.
The aim of this study was to determine the feeding value to sheep of Acacia saligna grown under temperate conditions. Pen trials were undertaken to determine the effects of feeding A. saligna, which had been grown in a Mediterranean environment, on feed intake, nitrogen balance and rumen metabolism in sheep. Sheep were given ad libitum access to A. saligna with or without supplementation with PEG 4,000 or PEG 6,000. PEG 4000 appears to be the major detannification agent used in trials involving high tannin feed despite the fact that PEG 6000 has been shown to be more effective, in vitro. For this reason it was of interest to compare the two, in vivo. Dry matter intake was greater (p<0.05) in sheep supplemented with either PEG 4,000 or PEG 6,000 compared to the control. There was no difference, however, in intake between those supplemented with either PEG 4,000 or 6,000. Although animals were not weighed throughout the trial, a loss in body condition was obvious, in particular in the control group. Intake of N was greater (p<0.05) in sheep supplemented with either PEG 4,000 or PEG 6,000 than in the control. There was no difference in N intake between those supplemented with either PEG 4,000 or PEG 6,000. There were no significant differences in either the faecal or urinary N output between any of the treatment groups and all treatment groups were in negative N balance. Neither the average nor maximum pH of ruminal fluid of the control group was different to those supplemented with PEG. The minimum pH for the control group, however, was significantly higher (p<0.05) than for either of the PEG treatments. The average and the maximum ammonia levels were lower (p<0.05) in the control group compared with those in either of the PEG treatment groups. For all dietary treatments ruminal ammonia levels were well below the threshold for maximal microbial growth. Feeding A. saligna, without PEG, had a definite defaunating effect on the rumen. For all dietary treatments ruminal ammonia levels were well below the threshold for maximal microbial growth. It was concluded that A. saligna was inadequate as the sole source of nutrients for sheep, even with the addition of PEG 4,000 or PEG 6,000. The anti-nutritional effects on the animals were largely attributed to the excessive biological activity of the phenolics in the A. saligna leaves. There is a need to determine other supplements that may be complimentary with PEG to enhance the nutritive value of A. saligna to maintain a minimum of animal maintenance.
Kim Ji Young;Kim Oh Yoen;Yoo Hyun Ji;Kim Tae Il;Kim Won Ho;Yoon Young Dal;Lee Jong Ho
Journal of Nutrition and Health
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제39권1호
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pp.35-43
/
2006
This study aimed to evaluate the effect of dietary fiber supplementation with snack type on functional constipation. We conducted a double blind case-control study with 3 groups; placebo, low dose group (LD: insoluble fiber 7 g/d + soluble fiber 1.2 g/d) and high dose group (HD: insoluble fiber 14 g/d + soluble fiber 2.4 g/d) , which were randomly assigned out of subjects with functional constipation, defined by modified Rome II criteria. We measured anthropometric parameters and evaluated the bowel movement frequency, stool type, straining, sense of complete evacuation, abdominal discomfort/pain, abdominal inflation, relief and colon transit time before, during the supplementation. Both LD and HD groups had significant improvement in straining, sense of complete evacuation and satisfactory relief compared with placebo group (p < 0.05). When subdivide by baseline colon transit time (less than 24 hrs/ 24 hrs or more and less than 72 hrs / 72 hrs or more), only HD group had significantly improvement; colon transit time recovered near by 24 hrs in subjects of 'less than 24 hrs' (from $7.57{\pm}1.40$ hrs to $25.2{\pm}3.91$ hrs, p < 0.01) and reduced in those of '24hr or more and less than 72 hr' (from $47.0{\pm}3.36$ hrs to $31.3{\pm}4.31$ hrs, p < 0.01) and '72 hr or more' (from $106.7{\pm}10.7$ hrs to $85.0{\pm}13.1$ hrs, P < 0.05) subjects. Particularly, positive effect of fiber supplementation on straining and sense of complete evacuation in test groups seemed to be greater in subjects of '24 hrs or less' and '24 hrs or more and less' than 72 hrs' than those of '72 hrs or more'. In conclusion, subjects with functional constipation, particularly those having colon transit time less than 72 hrs can significantly improve, at least in part, symptom related to constipation by fiber supplementation of snack type without serious side effects.
Journal of the Korean Society of Food Science and Nutrition
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제32권7호
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pp.1147-1152
/
2003
The purpose of this study was to investigate dietary habits and health-related behaviors in elderly people aged over 85 years residing in Namhae-gun Kyungnam. The subject group of this study was composed of 24 males and 76 females, the average age being 88.9$\pm$4.0 years old. The mean age of their parents' death were 67.3$\pm$15.9 years for the father and 68.1$\pm$16.6 years for the mother. Most of the subjects had a regular meal pattern consuming three meals a day, and the female (89.5%) had more regular meals than the male (66.7%). Most of the subjects showed to have no taboo foods (77.1%) and health foods or supplements (90.5%). The rates of alcohol drinking and smoking showed to be 46.8% and 31.1%, respectively, and the quantities of them were a little. Of the subjects, 65.6% spend 6∼8 hours for sleeping and 57.6% spend 4∼5 hours for activity. Most of the subjects recognized to be healthy (88.7%) and happy (62.7%).
Determining the origin of the components in commercially available gelatin, a purified protein derived mostly from pig skin and bovine tissue, is a challenge, leading to concerns on the grounds of religious beliefs and health. Therefore, regular monitoring of labeling compliance by food control authorities is also necessary. In this study, we monitored the origin of gelatin capsules from 181 commercial dietary supplements that were available for purchase on the internet, using species-specific PCR assays. Fifty five products were labeled correctly, declaring that they used bovine-, fish- and plant-derived gelatin, whereas the other 126 capsules were labeled "gelatin" without specifying the origin. Gelatin in these capsules was obtained from cattle (n = 51), pigs (n = 31), or both (n = 44). Therefore, it is important to declare all of the raw materials used to produce gelatin capsules on the labels to best protect consumers' rights, religious beliefs, and health.
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