• Title/Summary/Keyword: mixed-fed

Search Result 624, Processing Time 0.023 seconds

Voluntary Intake, Digestibility and Nitrogen Balance in Spotted Deer (Cervus nippon) Fed Forest By-product Silage, Oak Leaf Hay and Commercial Mixed Ration

  • Jeon, B.T.;Moon, S.H.;Lee, S.M.;Kim, K.H.;Hudson, R.J.
    • Asian-Australasian Journal of Animal Sciences
    • /
    • v.16 no.5
    • /
    • pp.702-705
    • /
    • 2003
  • Forest by-product silage (FPS) comprised of foliage, shrubs, and wild grasses was prepared to examine feeding value as sole roughage source for spotted (sika) deer. This diet was compared with imported oak leaf hay (OLH) and a commercial mixed ration (CMR) in digestion balance trials with spotted deer. Dry matter intake was highest (p<0.05) on the OLH, whereas intakes of the FPS and CMR were similar (p>0.05). Digestibility of dry matter was highest (p<0.05) for CMR. Digestibility of crude protein was highest in CMR and lowest in OLH and there were significant differences (p<0.05) among diets. Average daily gain, digestible dry matter intake and digestibility of crude fiber did not differ significantly among diets. Nitrogen intake, urinary and digestible nitrogen were highest (p<0.05) in CMR. However, nitrogen retention was not significantly different. Consequently, FPS is a good roughage source for deer having high digestibility, dry matter intake and availability of nitrogen.

Growth and Physiological Effects of Immunity Feed Additives on the Juvenile Red Sea Cucumber Stichopus japonicus (홍해삼(Stichopus japonicus) 치삼의 성장 및 면역증강을 위한 면역증강사료첨가제의 개발)

  • Namgung, Jin;Ahn, Kyoung-Jin;Yeo, In-Kyu
    • Korean Journal of Fisheries and Aquatic Sciences
    • /
    • v.48 no.4
    • /
    • pp.466-473
    • /
    • 2015
  • The juvenile red variant of the sea cucumber Stichopus japonicus is distributed worldwide. It is a valuable food source in Korea, China, and Japan. Major issues in farming the juvenile red variant sea cucumber include growth rates and disease resistance. In recent years, studies have focused on feed additives to enhance immune system and health. In this study, we used a common diet (CD), a nutritional diet (ND; mixed nutritional supplements), and an immunity diet (ID; mixed probiotics, spirulina, and levan) and compared the growth rates and immunity of juvenile red variant sea cucumbers fed the experimental diets for 12 weeks. The growth and survival rates in the ID group were significantly increased (P>0.05). This suggests that the feed additives positively influenced immunity and growth in the ID group. However, the immune activity was exhibit a stabilizing effect, and further investigation of immune effects is required.

Prevalence and Predictors of Exclusive Breastfeeding in Late Preterm Infants at 12 Weeks

  • Lee, Soo Yeon;Jang, Gun Ja
    • Child Health Nursing Research
    • /
    • v.22 no.2
    • /
    • pp.79-86
    • /
    • 2016
  • Purpose: The purpose of this study was to identify breastfeeding practice with late preterm infants (LPIs), and to determine predictors of exclusive breastfeeding at the 12th week after discharge. Methods: The participants were 106 mothers of LPIs hospitalized in neonatal intensive care units at two university hospitals. Data were collected between February and October, 2013. Questionnaires included characteristics of LPIs, their mothers, and feeding-related characteristics. Feeding methods were exclusive breastfeeding, mixed feeding, and formula feeding. Results: Exclusive breastfeeding steadily increased from 5.7% at the 1st week to 19.8% at the 12th week, as did formula feeding from 27.3% to 67.9%. Contrarily, mixed feeding decreased from 67.0% at the 1st week to 12.3% at the 12th week. The ratio of formula feeding was higher than that of exclusive breastfeeding over time. Predictors for exclusive breastfeeding were the following: type of delivery (OR=2.96, 95%CI=1.07-8.14), feeding intolerance (OR=3.03, 95%CI=1.26-7.25) and feeding method during hospitalization (OR=7.84, 95%CI=3.15-19.53). Conclusion: In order to increase breastfeeding opportunities for LPIs, educational programs for gestational age-appropriate breastfeeding should be developed. The focus of breastfeeding education needs to be on mothers who delivered their LPIs through Cesarean-section and LPIs who had feeding intolerance or were fed only formula during hospitalization.

Mixed-Signal Circuit Testing Using Digital Input and Frequency Analysis (디지털입력과 주파수 성분 분석을 통한 혼성신호 회로 테스트 방법)

  • 노정진
    • Journal of the Institute of Electronics Engineers of Korea SD
    • /
    • v.40 no.4
    • /
    • pp.34-41
    • /
    • 2003
  • A new technique for detecting parametric faults in mixed signal circuits is proposed Pseudo-random sequence from linear feedback shift register(LFSR) is fed to circuit-under-test (CUT) as stimulus and wavelets are used to compact the transient response under this stimulus into a small number of signature. Wavelet based scheme decomposes the transient response into a number of signal in different frequency bands. Each decomposed signal is compacted into a signature using digital integrator. The digital pulses from LFSR, owing to its pseudo-randomness property, are almost uniform in frequency domain, which generates multi-frequency response when passed through CUT. The effectiveness of this technique is demonstrated in our experimental results.

A statistical analysis on the selection of the optimal covariance matrix pattern for the cholesterol data (콜레스테롤 자료에 대한 적정 공분산행렬 형태 산출에 관한 통계적 분석)

  • Jo, Jin-Nam;Baik, Jai-Wook
    • Journal of the Korean Data and Information Science Society
    • /
    • v.21 no.6
    • /
    • pp.1263-1270
    • /
    • 2010
  • Sixty patients were divided into three groups. Each group of twenty persons had fed on different diet foods over 5 weeks. Cholesterol had been measured repeatedly five times at an interval of a week during 5 weeks. It resulted from mixed model analysis of repeated measurements data that homogeneous toeplitz covariance matrix pattern was selected as the optimal covariance pattern. The correlations between measurements of different times for the covariance matrix are somewhat highly correlated as 0.64-0.78. Based upon the homogeneous toeplitz covariance pattern model, the time effect was found to be highly significant, but the treatment effect and treatment-time interaction effect were found to be insignificant.

Effects of Cucurbita moschata, Adlay Seed, and Cudrania tricuspidata Leaf Mixed-powder Diet Supplements on the Visceral Fat, Fecal Amount, and Serum Lipid Levels of the Rats on a High-Fat Diet (늙은 호박, 율무, 꾸지뽕잎 혼합조성물이 고지방식이를 급여한 흰쥐의 내장지방, 배변량 및 혈청지질농도에 미치는 영향)

  • Lee, Kyoung-Won;Sung, Ki-Seung;Kim, Sung-Soo;Lee, Ok-Hwan;Lee, Bog-Hieu;Han, Chan-Kyu
    • The Korean Journal of Food And Nutrition
    • /
    • v.25 no.4
    • /
    • pp.990-998
    • /
    • 2012
  • This study investigated the effects of the diet with Cucurbita moschata (CM), adlay seed (AS), and Cudrania tricuspidata leaf (CTL) mixed-powder on the visceral fat, fecal amount, and serum lipid profiles in rats fed a high-fat diet (HFD). The mixed ratio of CM, AS, and CTL as a functional food ingredient was 1:1:1 on a weight basis. Male Sprague-Dawley rats were fed a high-fat diet (D12492; 45 kcal fat) for 5 weeks during the first phase. In the second phase, which lasted 5 weeks, the rats were divided into six experimental groups. The groups were: a high-fat diet group as a control during the 10 weeks of experimental period; and a high-fat diet with 5, 10, 15, 20, and 30% mixed-powder supplement group. The adipose tissue (RFP, EFP) weights were significantly decreased in the 20% and 30% mixed-powder supplement groups than in the HFD group (p<0.05). The fecal weight produced by the 15%, 20%, and 30% mixed-powder supplement groups was significantly increased during the second phase compared to the first phase (p<0.05). In terms of serum lipids, TG (triglyceride) content was decreased in the 10% and 15% mixed-powder supplement groups. The blood glucose levels were significantly decreased in all experimental diet supplement groups than in the HFD group (p<0.05). The findings show that the high supplement groups could improve the visceral fat accumulation, fecal amount, and blood glucose content compared to the HFD group.

Substituting oat hay or maize silage for portion of alfalfa hay affects growth performance, ruminal fermentation, and nutrient digestibility of weaned calves

  • Zou, Yang;Zou, XinPing;Li, XiZhi;Guo, Gang;Ji, Peng;Wang, Yan;Li, ShengLi;Wang, YaJing;Cao, ZhiJun
    • Asian-Australasian Journal of Animal Sciences
    • /
    • v.31 no.3
    • /
    • pp.369-378
    • /
    • 2018
  • Objective: The impact of forage feeding strategy on growth performance, ruminal fermentation and nutrient digestibility in post-weaning calves was investigated. Methods: Forty-five female Holstein calves (body weight [BW] = $79.79{\pm}0.38kg$) were enrolled in the 35-d study at one week after weaning and randomly assigned to one of three dietary treatments. All diets were fed as total mixed ration containing 60% (dry matter [DM] basis) of basal starter feed and 40% (DM basis) of forage, but varied in composition of forage source including i) alfalfa (40% DM, AH); ii) alfalfa hay (26.7% DM)+oat hay (13.3% DM; OH); iii) alfalfa hay (26.7% DM)+corn silage (13.3% DM; WS). Results: Dry matter intake was not different among treatment groups (p>0.05). However, BW (p<0.05) and average daily gain (p<0.05) of calves fed AH and OH were greater than WS-fed calves, whereas heart girth was greater in OH-fed calves than those fed AH and WS (p<0.05). Ruminal fermentation parameters including proportion of butyric acid, acetated-to-propionate ratio, concentration of total volatile fatty acid, protozoal protein, bacterial protein, and microbial protein in rumen were the highest in OH (p<0.05) and the lowest in WS. Compared with the AH and WS, feeding oat hay to postweaning calves increased crude protein digestibility (p<0.05), and decreased duration of diarrhea (p<0.05) and fecal index (p<0.05). Conclusion: Our results suggested that partially replacing alfalfa hay with oat hay improved ruminal fermentation, nitrogen utilization, and reduced incidence of diarrhea in post-weaning dairy calves.

Survival of the early lavae of the Freshwater Crab, Eriocheir japonicus (De Haan) fed on different diets in the Laboratory (먹이종류에 따른 동남참게, Eriocheir japonicus(De Haan) 초기유생의 생존율)

  • 허윤성;권진수;이복규;김홍권;김병기;최주수;김양우
    • Journal of Life Science
    • /
    • v.12 no.4
    • /
    • pp.407-415
    • /
    • 2002
  • The survival of the early larvae of the freshwater crab, E. japonicus, fed on different diets at 22土1$^{\circ}C$ and 24$\pm$1% were studied in the laboratory. The larvae in the control (no feed) lived for 4 days (1~2 zoeal stages), and in the experimental container of non-living foods (egg Powder, soy bean Powder, Pellet Powder, millet Powder, and mussel meat), they were lived for 7~9 days (2~3 zoeal stages), When the larvae fed on phytoplankton (Chlorella ellipsoid., Skeletonema costatum. and Chaetoceros gracilis), they lived for 10, 18, and 19 days(3~5 zoeal stages), and fed on zooplankton (Artemianauplii and rotifer), they were reached to the juvenile stage in 24 and 25 days, respectivily. When the larvae fed on a mixed diets (see table 1). it was more effective than a single food diet, and the most effective diets included Chaetoceros gracilis, Artemia nauplii and rotifera, in which the larvae reached the juvenile stage in 22 days, and the survival was 73%.

Conjugated Linoleic Acid in Rumen Fluid and Milk Fat, and Methane Emission of Lactating Goats Fed a Soybean Oil-based Diet Supplemented with Sodium Bicarbonate and Monensin

  • Li, X.Z.;Yan, C.G.;Long, R.J.;Jin, G.L.;Shine Khuu, J.;Ji, B.J.;Choi, S.H.;Lee, H.G.;Song, Man K.
    • Asian-Australasian Journal of Animal Sciences
    • /
    • v.22 no.11
    • /
    • pp.1521-1530
    • /
    • 2009
  • A metabolic study was conducted with four ruminally-cannulated lactating goats (Saanen, 29 weeks lactation, 65${\pm}$5 kg) in a 4${\times}$4 Latin square design with 4 dietary treatments. The goats were fed a basal mixed diet consisting of 80% concentrate and 20% chopped rye grass hay (DM basis, CON). The goats were also fed the CON diet supplemented with soybean oil at a 5% level of the concentrate (SO), the SO diet supplemented with 0.5% of sodium bicarbonate (SO-B) or the SO-B diet supplemented with 30 ppm monensin (SO-BM). The goats were housed in individual pen and the study was conducted for 8 weeks. An increased molar proportion of propionate (C3) was observed at 1 h (p<0.003) and 6 h (p<0.029) post-feeding from all the supplemented diets. Calculated methane emission was markedly decreased prior to morning feeding (p<0.01), and at 1 h (p<0.05) and 6 h post-feeding (p<0.05) in goats fed the supplemented diets. All the supplements increased (p<0.0001) cis9, trans11-CLA content in rumen fluid. Concentrations of both cis9, trans11-CLA (p<0.0001) and trans10, cis12-CLA (p<0.026) were also increased in the milk fat of lactating goats fed the supplemented diets. The SO-B and SO-BM diets further increased CLA content in goat milk compared to the SO diet. All supplements increased unsaturated (UFA, p<0.002), monounsaturated (MUFA, p<0.002) and polyunsaturated fatty acids (p<0.014) and reduced SFA to UFA ratio (p<0.023). The concentration of MUFA was even greater (p<0.002) for SO-BM than for the SO-B diet. In conclusion, feeding soybean oil (5% of concentrate) to lactating goats was a useful way to improve milk fat and to improve fatty acid profile in the milk by increasing potentially healthy fatty acids such as CLA. Supplementation of sodium bicarbonate or sodium bicarbonate with monensin to the soybean oil-based diet increased CLA content further in goat milk. Supplementation of soybean oil may be an effective method to reduce methane emission in lactating goats.

Effect of Dietary Medicinal Herb Extract Mix and Antibiotics (Albac G150) on the Oxidative Stability of Chicken Meat (금은화, 황련, 상엽 추출물 혼합물과 항생제(Albac G150) 급여가 계육의 산화 안전성에 미치는 영향)

  • Jung, S.;Song, H.P.;Choe, J.H.;Kim, B.;Shin, M.H.;Lee, B.D.;Jo, C.
    • Korean Journal of Poultry Science
    • /
    • v.35 no.1
    • /
    • pp.29-37
    • /
    • 2008
  • This study was evaluated the oxidative stability of the breast and leg meat from chicken fed extract of medicinal herb mix (Lonicera japonica Thunberg : Morus alba L. : Coptis chinensis = 48.5 : 48.5 : 3.0%) and antibiotics (Albac G150). Ross chickens were divided into three treatments: basal diet (control), basal diet with antibiotics (0.05%) and basal diet with extract of medicinal herb mix (0.3%). They were fed the experimental diets for 35 days and slaughtered. After that, the breast and leg meat samples were stored at $4^{\circ}C$ for 10 days. Total phenol content of breast meat in Ross chicken fed extract of medicinal herb mix was higher than that of antibiotics treatment and control during storage. DPPH radical scavenging activity was the highest in leg meat of Ross chicken fed extract of medicinal herb mix at 0 day. $ABTS^+$ reduction activity was higher in chicken meat fed extract of medicinal herb mix than antibiotics treatment and control. This results showed that the diet with extract of mixed medicinal herb was more effective in oxidative stability of chicken meat than basal diet and diet with antibiotics.