Giang, Hoang Huong;Viet, Tran Quoc;Ogle, Brian;Lindberg, Jan Erik
Asian-Australasian Journal of Animal Sciences
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v.24
no.5
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pp.655-661
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2011
Two experiments were conducted to investigate the effect of dietary supplementation of Bacillus, Saccharomyces and lactic acid bacteria (LAB) on performance and nutrient digestibility in grower and finisher pigs. In Exp. 1, 80 pigs (32 females and 48 males), $28.7{\pm}0.9\;kg$ body weight (BW), were randomly divided into 4 treatment groups balanced for sex and weight (5 pigs per pen, 4 pens per treatment). They were fed one of four diets: a basal grower (20-50 kg BW) and finisher (>50 kg BW) diet without any addition of probiotic or antibiotic (diet C), the basal diet supplemented with Bacillus subtilis H4 (diet B), diet B supplemented with Saccharomyces boulardi Sb (diet BS) and diet BS supplemented with a LAB complex (diet BSL). The LAB complex consisted of Enterococcus faecium 6H2, Lactobacillus acidophilus C3, Pediococcus pentosaceus D7, and Lactobacillus fermentum NC1. In Exp. 2, 16 male pigs, $29.2{\pm}0.8\;kg$ BW, were kept in individual pens and divided into 4 groups (4 pigs in each group). All 4 groups were given exactly the same growing-period diets (diet C, B, BS and BSL) as in Exp 1. The total faeces and urine were collected during 5 days (day 20-24) to determine nitrogen retention and total tract digestibility. In the growing period, average daily feed intake (ADFI), average daily gain (ADG) and feed conversion ratio (FCR) were not affected by diet B and BS (p>0.05), but ADG increased (+5.9%) (p<0.05) and FCR improved (+5.9%) (p<0.05) on diet BSL compared with the control, although ADFI was not different (p>0.05). Digestibility of crude protein and organic matter was higher (p<0.05) in diet BSL and digestibility of crude fibre was higher (p<0.05) in diet BS and BSL than in diet C. Nitrogen retention was not affected by diet (p>0.05). The faecal LAB counts were increased in grower pigs fed diet BSL (p<0.05) and faecal E. coli counts were decreased in pigs fed diets BS and BSL (p<0.05). In the finishing period, no effects of diet were found in ADFI, ADG, FCR, nutrient digestibility, and nitrogen retention (p>0.05). Faecal LAB and E. coli counts in the finisher pigs were not affected by diet (p>0.05). In conclusion, the current study demonstrates that a mixture of bacteria and yeast has the potential to be used as a probiotic dietary supplement in grower pigs.
Song, Young Min;Kim, Myeong Hyeon;Kim, Ha Na;Jang, Insurk;Han, Jeong Hee;Fontamillas, Giselle Ann;Lee, Chul Young;Park, Byung-Chul
Asian-Australasian Journal of Animal Sciences
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v.31
no.3
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pp.403-409
/
2018
Objective: The present study was conducted to investigate the effects of a lipid-coated zinc oxide (ZnO) supplement Shield Zn (SZ) at the sub-pharmacological concentration on intestinal morphology and gene expression in weanling pigs, with an aim to gain insights into the mechanism of actions for SZ. Methods: Forty 22-day-old weanling pigs were fed a nursery diet supplemented with 100 or 2,500 mg Zn/kg with uncoated ZnO (negative control [NC] or positive control [PC], respectively), 100, 200, or 400 mg Zn/kg with SZ for 14 days and their intestinal tissues were taken for histological and molecular biological examinations. The villus height (VH) and crypt depth (CD) of the intestinal mucosa were measured microscopically following preparation of the tissue specimen; expression of the genes associated with growth and immune function was determined using the real-time quantitative polymerase chain reaction. Results: There was no difference in daily gain, gain:feed, and diarrhea score between the SZ group and either of NC and PC. The VH and VH:CD ratio were less for the SZ group vs NC in the jejunum and duodenum, respectively (p<0.05). The jejunal mucosal mRNA levels of insulin-like growth factor (IGF-I) and interleukin (IL)-10 regressed and tended to regress (p = 0.053) on the SZ concentration with a positive coefficient, respectively, whereas the IL-6 mRNA level regressed on the SZ concentration with a negative coefficient. The mRNA levels of IGF-I, zonula occludens protein-1, tumor necrosis $factor-{\alpha}$, IL-6, and IL-10 did not differ between the SZ group and either of NC and PC; the occludin and transforming growth $factor-{\beta}1$ mRNA levels were lower for the SZ group than for PC. Conclusion: The present results are interpreted to suggest that dietary ZnO provided by SZ may play a role in intestinal mucosal growth and immune function by modulating the expression of IGF-I, IL-6, and IL-10 genes.
The results on the chemical characteristics of the pork fed with fermented feeds are summarized as follows; 1) The pork treated with fermented feeds had lower fat and higher protein content than control pork in proximate compositions. It is considered to be the improvement of the quality. 2) It was not recognized to the difference of oxidation level among the sample porks. 3) Oleic acid was the highest concentration in the components of fatty acid of pork. The rate of the saturated and unsaturated fatty acids is 38.8 % : 59.9 % in the ordinary meat, 40.8 % : 57.8 % in the a high-grade meat, and 36.3 % : 62.0 % in the pork treated with fermented feeds. In addition, the essential fatty acid content of them is 14 %, 11.2 %, and 16.7%, respectively. 4) Glutamic acid was the highest composition in total amino acids and the essential amino acid content was 39% in both an ordinary meat and the pork treated with fermented feeds, and 14 % in high-grade meat. 5) It was no difference in the inorganic content among the samples. The water holding capacity by extraction meat juice was higher to 92 % in the pork treated with fermented feeds and 15.6 % in a loss in quantity by heating than others. Thus, the pork bred with fermented feeds was evaluated to be good in terms of processing and cooking.
Kim, Young-Ran;Ryu, Dong-Mok;Kwon, Yong-Dae;Yun, Yong-Pil
Journal of the Korean Association of Oral and Maxillofacial Surgeons
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v.35
no.6
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pp.397-402
/
2009
The purpose of this study is to investigate the effects of alendronate and pamidronate on proliferation and the alkaline phosphatase activity of human bone marrow derived mesenchymal stem cells and to relate the results with bisphosphonate related osteonecrosis of the jaw(BRONJ). With the consent of patients with no systemic disease and undergoing iliac bone graft, cancellous bone was collected to obtain human bone marrow derived mesenchymal stem cells through cell culture. 96 well plate were prepared with a concentration of $10^4$cell/ well. Alendronate and pamidronate were added to each well with the concentration of $10^{-6}M$, $10^{-8}M$ and $10^{-10}M$, respectively. Then proliferation capacity of each well was evaluated with the cell counting kit. 24 well plates were prepared with a concentration of $10^5$cell/ml/well and with the bone supplement, alendronate and pamidronate were added with the concentration of $10^{-6}M$, $10^{-8}M$ and $10^{-10}M$, respectively on each plate. The plates were cultured for either 24 or 72 hours. Then the cells were sonicated to measure the alkaline phosphatase activity and protein assay was done to standardize the data for analysis. As the concentration of alendronate or pamidronate added to the culture increased, the proliferation capacity of the cells decreased. However, no statistical significance was found between the group with $10^{-10}M$ of bisphophonate and the control group. Pamidronate was not capable of increasing the alkaline phosphatase activity in all trials. However, alkaline phosphatase activity increased with 24 hours of $10^{-8}M$ of alendronate treatment and with 48 hours of $10^{-10}M$ of alendronate treatment. Cell toxicity increased as the bisphosphonate concentration increased. This seems to be associated with the long half life of bisphosphonate, resulting in high concentration of bisphosphonate in the jaw and thus displaying delayed healing after surgical procedures. Alendronate has shown to increase the alkaline phophatase activity of human bone marrow derived mesenchymal stem cells. However, this data is insufficient to conclude that alendronate facilitates the differentiation of human bone marrow derived mesenchymal stem cells. Further studies on DNA level and animal studies are required to support these results.
Lazzarini, Isis;Detmann, Edenio;Filho, Sebastiao de Campos Valadares;Paulino, Mario Fonseca;Batista, Erick Darlisson;Rufino, Luana Marta de Almeida;Reis, William Lima Santiago dos;Franco, Marcia de Oliveira
Asian-Australasian Journal of Animal Sciences
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v.29
no.8
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pp.1120-1128
/
2016
The objective of this work was to evaluate the effects of supplementation with nitrogen and starch on the nutritional performance of grazing cattle during the rainy season. Five rumen cannulated Nellore steers, averaging 211 kg of body weight (BW), were used. Animals grazed on five signal grass paddocks. Five treatments were evaluated: control (forage only), ruminal supplementation with nitrogen at 1 g of crude protein (CP)/kg BW, ruminal supplementation with starch at 2.5 g/kg BW, supplementation with nitrogen (1 g CP/kg BW) and starch (2.5 g/kg BW), and supplementation with nitrogen (1 g CP/kg BW) and a mixture of corn starch and nitrogenous compounds (2.5 g/kg BW), thereby resulting in an energy part of the supplement with 150 g CP/kg of dry matter (DM). This last treatment was considered an additional treatment. The experiment was carried out according to a $5{\times}5$ Latin square design following a $2{\times}2+1$ factorial arrangement (with or without nitrogen, with or without starch, and the additional treatment). Nitrogen supplementation did not affect (p>0.10) forage intake. Starch supplementation increased (p<0.10) total intake but did not affect (p<0.10) forage intake. There was an interaction between nitrogen and starch (p<0.10) for organic matter digestibility. Organic matter digestibility was increased only by supplying starch and nitrogen together. Nitrogen balance (NB) was increased (p<0.10) by the nitrogen supplementation as well as by starch supplementation. Despite this, even though a significant interaction was not observed (p>0.10), NB obtained with nitrogen plus starch supplementation was greater than NB obtained with either nitrogen or starch exclusive supplementation. Supplementation with starch and nitrogen to beef cattle grazing during the rainy season can possibly improve digestion and nitrogen retention in the animal.
Two experiments were conducted to investigate the effect of dietary supplemental lincomycin at different food waste supplements on performance of broiler chicks. Diets were based corn, soybean meal and contained 3,078, 3,089 ㎉/kg ME, 21% CP for the first three weeks and 3,116 ㎉/kg and 19% CP for the rest two weeks. Three levels of lincomycin(LM; 0, 2.2, 4.4mg/kg) and food waste (FW;0, 5, 10%) were differently used for both experiments. Weight gain, feed intake, feed conversion ratio were weekly measured for five weeks. Blood components, liver and abdominal fat were sampled at the end of experiments. In experiment, 1 weight gain of birds fed 4.4mg/kg LM was significantly higher than that of no LM treatments (p<0.05). It was tended to decrease in 10% food waste treatment compared to that of control but was not significantly different. FCR of chocks fed LM supplement tended to improve as dietary LM level increased. It was not superior in 10% food waste treatment to that of control, but tended to improve compared to that of other treatments. Weight gain and FCR of birds fed 2.2mg/kg LM without food waste tended to improve compared to those of other treatments, but were not significantly different. Liver to body weight ratio birds fed LM supplements regardless of FW decreased significantly compared to that of control (p<0.05), but was not consistency in FW treatments. There was no significance in blood components except blood protein. In experiment 2, weight gain of chicks fed no FW showed quadratic, but increased as dietary supplemental LM increased. Birds fed 5% FW was not superior weight gain to that of other FW treatments. It also decreased in no LM treatment with 10% FW compared to that of control. However, the birds fed 4.4 mg/kg LM with 10% FW exhibited significantly higher weight gain the trend of weight gain. It tended to increase up to 10% FW combined with 4.4 mg/kg LM, but was not significantly different. Liver to body weight ratio of chicks fed LM was significantly decreased more than the control(p<0.05).The results of these experiments indicated that chicks fed 10% FW with 4.4 mg/kg LM supplements maximized growth rate of all treatments, but was not improve FCR in both experiments.
The study was conducted to evaluate the effects of dietary acid hydrolysates of cocoon on laying performance, egg quality, blood level of immune substance and cholesterol in laying hens. The animals used in the experiment were a total of 240 Hy-Line Brown laying hens (41 weeks old). Dietary treatments included 1) CON (basal diet), 2) SP1 (basal diet + acid hydrolysates of cocoon 0.05%), 3) SP2 (basal diet + acid hydrolysates of cocoon 0.1%) and 4) SP3(basal diet + acid hydrolysates of cocoon 0.2%) twelve laying hens were allotted to a block (pen) with five replicated. Through the whole period of experiment, egg production, egg weight, egg shell breaking strength and egg shell thickness were no significant difference. However, acid hydrolysates of cocoon treatments (SP1, SP2, SP3) significantly increase their egg yolk height and Haugh unit compared to control (P<0.05). IgG and WBC (white blood cell) contents in blood were higher in SP1, SP2, SP3 treatment compared to control (P<0.05). However, albumin and total protein content in blood were no significant difference. Phospholipid, HDL-cholesterol, LDL-cholesterol and total cholesterol contents in serum were higher in SP1, SP2, SP3 treatment compared to control (P<0.05). In conclusion, supplement dietary acid hydrolysates of cocoon improved egg yolk height, Haugh unit, and blood level of phospholipid, HDL-cholesterol, LDL-cholesterol, total cholesterol in laying hen.
Park, Byung-Ki;Kim, Byong-Wan;Jang, Hyun-Yong;Shin, Jong-Suh
Journal of The Korean Society of Grassland and Forage Science
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v.28
no.3
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pp.255-264
/
2008
This study was conducted to evaluate the effects of rumen protected choline on in vitro ruminal fermentation and milk production and its composition in Holstein cows. Experiments were done with three treatment groups, basal diet without any supplement (T1), basal diet+23g/d of mixture of choline and wheat shorts (T2) and basal diet + 25.56 g/d of rumen protected choline (T3). The in vitro ruminal pH and ammonia concentrations were similar for three treatments during all incubation periods except for the in vitro ruminal pH on 3 hr incubation and ammonia concentrations on 9 hr incubation. No significant difference was found in the concentrations of acetate and total-VFA. The propionate and butyrate concentrations were not affected by the rumen protected choline except on 6 hr incubation on which the propionate and butyrate concentrations were intermediate (8.98 mg/dl) and least (3.22 mg/dl), respectively. Higher milk yield and milk fat and lactose were resulted in the rumen protected choline. However, the rumen protected choline did not affect the milk protein, solids not fat, total solids, MUN, somatic cell count. It is concluded that the rumen protected choline can be effective materials to improve the milk production, milk fat and lactose without little change on in vitro ruminal fermentation.
This experiment was carried out to study the carcass characteristics, chemical composition and fatty acid profile of the Longissimus muscle (LM) of bulls (10) and steers (17) finished in a pasture system. Animals (1/2 Zebu vs. 1/2 Aberdeen Angus) were fed in a pasture system (Hermatria altissima) and with a supplement of soybean meal, cracked corn, urea, limestone and mineral salts, twice a day. Both animal groups were slaughtered at 27 months of age, with an average 508.88 kg of live weight. Final weight, hot carcass weight and texture were similar (p>0.05) between bulls and steers. Carcass dressing, fat thickness, color and marbling were higher (p<0.02) in steers. Conversely, the Longissimus area was greater (p<0.05) in bulls. Moisture levels were higher (p<0.01) in bulls. Ash, crude protein, total lipids and total cholesterol levels were higher (p<0.10) in steers. C14:0, C16:0, C16:1 n-7 and C18:1 n-9 fatty acids percentages were higher (p<0.06) in steers. C16-1 n-10, i 17:0, C19:0, C18:2 n-6, C18:3 n-3, C20:2 n-3 C20:4 n-6, C20:5 n-3, C22:1 n-7, C22:4 n-6 and C22:5 n-3 fatty acids percentages were higher (p<0.05) in bulls. The percentage of the other fatty acids was similar (p>0.05) in bulls and steers. The levels of monounsaturated fatty acids were higher (p<0.02) in steers while polyunsaturated fatty acids, n-3, n-6, PUFA/SFA and n6:n3 ratios, were higher (p<0.05) in bulls. The CLA contents (mg/g lipids) were similar (p>0.10) in bulls and steers.
The interactive effect of dietary fat supplementation and milk yield level on dairy cows performance under heat stress has not been thoroughly investigated. The purpose of this study was to evaluate the effect of production level, the source of fat supplements and their interaction on dairy cows performance under heat stress. In this study, 64 Holstein multiparous cows were divided into 2 groups and received one of two rations having either calcium salts of fatty acids (Ca-FA) or high-palmitic acid (PA) supplements (2.8% of DM; dry matter). After completing the experiment and based on maturity-equivalent milk, cows were divided into two groups of high-yielding (14,633 kg) and medium-yielding (11,616 kg). Average temperature humidity index (THI) was 71 during the trial period. Apparent digestibility of dry matter (p = 0.04), organic matter (p = 0.05), and neutral detergent fiber (NDF; p = 0.04) for cows fed Ca-FA were greater than cows fed PA. The milk fat content in high-producing cows was 0.3% greater than medium-producing cows (p = 0.03). The milk protein content in cows fed Ca-FA was greater than cows fed PA (p < 0.01). High-producing cows had greater serum cholesterol (p = 0.02) than medium-producing cows. The cows fed PA tended to have a greater BUN than cows fed Ca-FA (p = 0.06). Alanine aminotransferase and aspartate aminotransferase tended to be increased by PA, which indicates that cows in PA treatment may have experienced more adverse effect on the liver function than cows on Ca-FA. Therefore, under heat stress and in 90 d trial, milk production level does not affect the cows' response to PA or Ca-FA. Although cows fed Ca-FA received lower energy than those fed PA, they compensated for this shortage likely with increasing the digestibility and produced a similar amount of milk.
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