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31.
Masahisa Ibuki Yu Yoshimoto Mariko Inui Kensuke Fukui Hiroko Yonemoto Takaoki Saneyasu Kazuhisa Honda Hiroshi Kamisoyama 《Animal Science Journal》2014,85(5):562-568
The utilization of copra meal as a feed ingredient is limited because it contains a high level of mannan. However, recent findings indicate that the effect of copra meal on growth performance in broiler chickens can be improved by the supplementation of mannanase in the diet. In the present study, we examined the effect of mannanase‐hydrolyzed copra meal (MCM) on growth performance and muscle protein metabolism in growing broiler chickens (Gallus gallus domesticus). Forty 8‐day‐old male broiler chicks were assigned to two groups (four birds in each pen, five replicates) and fed either a commercial diet (as a control diet) or a diet containing MCM at 0.2% until 22 days of age. Dietary MCM significantly increased the weights of body, breast muscle, and thighs in chickens, whereas the weights of abdominal adipose tissue and liver were not affected. Cumulative feed intake was significantly increased by MCM. Dietary MCM significantly decreased plasma 3‐methylhistidine level. The messenger RNA and protein levels of muscle protein metabolism‐related factors were not altered by MCM. These findings suggest that the growth‐promoting effect of MCM is related to the suppression of muscle proteolysis in growing broiler chickens. 相似文献
32.
Ryutei Inui Norio Onikura Motoyoshi Kawagishi Masaya Nakatani Yuta Tomiyama Shin Oikawa 《Fisheries Science》2010,76(1):83-91
We examined the spawning sites of several gobiid fishes in the subtidal zone of a small temperate estuary and determined the relationship of the nest abundance of each species with several environmental conditions, including water temperature, salinity, median particle size, proportion of silt and clay, current width, maximum water depth, distance from each site to the river mouth, and density of objects (boulders, cobbles, empty oyster shells, and empty clam shells) in the water. During this study, we found 115 nests belonging to the following six species: Favonigobius gymnauchen, Tridentiger obscurus, Leucopsarion petersii, Acanthogobius lactipes, Rhinogobius giurinus, and Tridentiger trigonocephalus. Stepwise multiple regression analysis, which was used to determine the best model for the nest abundance of all species, revealed that the nest abundance of each species clearly increased with an increase in the density of spawning substrates, such as cobbles and bivalve shells. These results show that the density of spawning substrates is a crucial factor affecting the selection of spawning habitats by each species. 相似文献
33.
Lesions of articular, sternal and growth plate cartilage in rats 总被引:1,自引:0,他引:1
Degenerative osteoarthritis was observed in the femur and sternum in specific pathogen free Fisher 344 rats at 13 and 19 months of age. Histological changes consisted of degeneration of the matrix and erosion in the articular cartilage of the femur. In the sternal cartilage, degeneration and necrosis of the matrix, formation of cysts, and cleft-like fractures were observed. In addition, degeneration of the matrix, appearance of eosinophilic streaking, and necrosis and fissure between the growth plate and epiphyseal trabeculae were seen in the femur. The changes in the sternum were essentially the same as the femur. 相似文献
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Inui A Itamoto K Takuma T Tsutsumi H Tanigawa M Hayasaki M Taura Y Mamba K 《The Journal of veterinary medical science / the Japanese Society of Veterinary Science》2004,66(6):599-609
Bone mineral density (BMD), distribution of its density and bone histomorphometric parameters were evaluated in lumbar vertebra of normally growing miniature pigs. The fourth lumbar vertebra (L4) of the G?ttingen miniature pig were used in this cross-sectional study in vitro. The BMD of the miniature pig was similar to that of humans in tendency of gender differences and some growth patterns during puberty. In these regards this animal appears useful as a model for human bone study. However, the trabecular and cortical BMDs of lumbar spine were extremely high value (399.43 +/- 26.36 mg/cm(3) in female trabeculae; 973.06 +/- 69.55 mg/cm(3) in female cortical bone; 419.04 +/- 34.84 mg/cm(3) in male trabeculae; 1038.81 +/- 125.72 mg/cm(3) in male cortical bone in pigs 30 months or more). Furthermore, histomorphometric analysis yielded values that were remarkably different from those found in humans. From these results, it was revealed that miniature pig had a higher bone mass and denser trabecular network than human, indicating that its bone is probably stronger. Therefore, care should be taken in choosing the miniature pig as a bone study model. 相似文献
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38.
Miyamoto E Tanioka Y Nakao T Barla F Inui H Fujita T Watanabe F Nakano Y 《Journal of agricultural and food chemistry》2006,54(25):9604-9607
The vitamin B12 concentration of the dried cells of Aphanizomenon flos-aquae was determined by both microbiological method with Lactobacillus delbrueckeii ATCC7830 and chemiluminescence method with intrinsic factor. The Aphanizomenon cells contained 616.3 +/- 30.3 micro g (n = 4) of vitamin B12 per 100 g of the dried cells by the microbiological method. The values determined with the chemiluminescence method, however, were only about 5.3% of the values determined by the microbiological method. A corrinoid-compound was purified from the dried cells and characterized. The purified corrinoid-compound was identified as pseudovitamin B12 (an inactive corrinoid-compound for humans) by silica gel 60 TLC, C18 reversed-phase HPLC, ultraviolet-visible spectroscopy, and 1H NMR spectroscopy. The results suggest that the Aphanizomenon cells are not suitable for use as a vitamin B12 source, especially in vegans. 相似文献
39.
Laviano A Meguid MM Inui A Rossi-Fanelli F 《Science (New York, N.Y.)》2006,313(5791):1236-8; author reply 1236-8
40.
Fumiaki Takakuwa Ryota Tanabe Shohei Nomura Takashi Inui Shinichi Yamada Amal Biswas Hideki Tanaka 《Aquaculture Research》2022,53(1):36-49
Black soldier fly meal (BM) is an outstanding candidate as a fish meal (FM) substitute because it contains relatively high protein and essential amino acids. In this study, we replaced FM in red sea bream diets (Pagrus major) with BM to investigate its effect on growth and feed utilization. Six isonitrogenous and isolipidic experimental diets were prepared by substituting 0%, 20%, 40%, 60%, 80% and 100% FM protein with BM (Control, BM20, BM40, BM60, BM80 and BM100, respectively). After the 8-week feeding trial, final body weight, weight gain, specific growth rate and feed efficiency decreased linearly with increasing dietary BM level (p < 0.05). Apparent digestibility of protein and fat and serum total cholesterol concentration decreased with increasing dietary BM levels (p < 0.05) Final body weight, WG, SGR and FE against dietary BM level had breaking points of 76.2%, 41.7%, 76.5% and 60.0%, respectively, in segmental regression analysis. In conclusion, the results suggest that BM can replace a maximum of 41.7% of FM in the diet of red sea bream without compromising growth performance or feed efficiency for 56 days. 相似文献