Agriculture Commons^™

Time To Say Goodbye (Equine Euthanasia), Karl Hoopes, Holly Mason

All Current Publications

This fact sheet describes the process of euthanasia for horses, including techniques, confirming death, and disposal of body.

A Hydrochemical Assessment Of Groundwater Recharge And Flow In The Broome Sandstone Aquifer, La Grange Area, Western Australia, Glenn A. Harrington, Nikki M. Harrington

Natural resources commissioned reports

The Department of Agriculture and Food Western Australia has undertaken a four-year Royalties for Regions funded project in the La Grange Groundwater Area south of Broome. The purpose of the project was to provide improved knowledge and confidence about soil suitability and water availability for potential expansion of irrigated agriculture in the region. A range of complementary techniques have been used to assess the groundwater resources in the Broome Sandstone aquifer, including contemporary approaches such as drilling and aquifer pumping tests, and state-of-the-art approaches such as airborne geophysical surveys and hydrochemistry investigations.

This report presents a synthesis of all hydrochemistry …

A Hedonic Analysis Of Community Supported Agriculture Share Prices In Midwestern United States, Binod Khanal

Department of Agricultural Economics: Dissertations, Theses, and Student Research

As concerns mount over the consequences of conventional food production for health, the environment, and animal welfare, consumers are increasingly demanding what they perceive as more nutritious, safer, and ethically produced food. Local food in general and community supported agriculture in particular have emerged as promising alternatives that could allay those concerns and, judging by recent growth, the share of local food in total food sales will most likely continue to grow. This represents an opportunity and a challenge for both incumbent farms serving the local food market as well entrants who are looking to capitalize on the growth in …

The Farm Newsletter, Usu Student Organic Farm

USU Student Organic Farm Newsletter

Joe is a junior majoring in Agricultural Education with a minor in Plant Science. This is his second year working on the farm and he has accepted for the season to manage farm production. He is passionate about gardening and he hopes to someday teach horticulture to high-school students. He is from Virginia, but he lives for the present here in Logan with is wife, two dogs and eight chickens. Joe loves to travel and wants to go all over the world teaching the benefits of sustainable food production

Physicochemical Properties And Molecular Structure Characterization Of Digestion-Resistant Components In Enzymatic Branch-Chain Elongated Waxy Corn Starch, He Jian, Wang Ren, Zhang Hao, Zhou Xing, Chen Zhengxing

Food and Machinery

The resistant starch (RS) in enzymatic branch-chain elongated waxy corn starch (WCS) was separated by using in vitro digestion method. Then, the physicochemical properties and molecular structure of RS were characterized. The results showed that the morphology of starch was significantly changed after digestion, and irregular cracks appeared on the surface of RS. Moreover, the improvement of thermal stabilities of RS wasalso observed. These results revealed that the amorphous regions of modified starches were preferably to be hydrolyzed during digestion. Compared to modified WCS, the molecular weight of RS was profoundly decreased (6.03×10⁶～1.13×10⁸ g/mol). In addition, the …

Effect Of Sodium Citrate On Physiological Properties And Composition Of Intestinal Microbiota Of Mice, Zhang Ning, Li Dongyao, Zhang Qiuxiang, Zhang Hao, Chen Wei

Food and Machinery

Effects of sodium citrate were investigated on the growth, the serum biochemical parameters and intestinal flora of mice. Mice were randomly divided into four groups: control group, low-dose group (added 0.65% sodium citrate), middle-dose group (added 2.6% sodium citrate) and high-dose group (added 5.2% sodium citrate).The diet intervention lasted for four weeks. Stool samples and weight data were collected weekly, and the composition of intestinal microbiota and the serum biochemical parameters were determined at the end of the fourth week. Results showed that the addition of sodium citrate made the body weight of mice less than control group. And the …

Optimization Of Heat Process Parameters And Mass Transfer Characteristic Of Alkaloids From Areca, Gong Yinyin, Yang Dawei, Gao Xiaoting

Food and Machinery

In order to reduce loss of alkaloids to improve chewing quality during the heat treatment process of areca, the dried areca were used as test materials to investigate the effect of factors about boiling wash and drying after wash as well as drying after flavoring on mass transfer of alkaloids in the shell of betel nut. Based on the mass transfer characteristics of alkaloids, the optimum parameters of heat treatment process were designed. The results showed that alkaloids from nuclear of areca will be dissolved out and transfer in the shell, then diffusing from the shell to the surface, the …

Research On Qualitative Analysis Of Vinegar By Using Near-Infrared Spectroscopy Combined With Som And Svm, Hao Yong, Zhao Xiang, Wen Qinhua, Chen Bin

Food and Machinery

Near-infrared spectroscopy (NIRS) combined with two discriminative analysis methods including self-organization mapping (SOM) and support vector machine (SVM) were used for discriminant analysis of vinegar with different production year and brand. Continuous wavelet transform (CWT) was adopted for spectra preprocessing. Principal component analysis (PCA) was used for spectra dimension reduction and space distribution analysis. The results shown that CWT can effective eliminate spectra translation error. PCA can greatly reduce characteristic spectrum variables and improve modeling efficiency. For identification of vinegar with different production year, the CWT-PCA-SOM method can get 97.37% correct recognition rate (CRR), and the CWT-PCA-SVM method can get …

Optimization On Hplc Detection And Pre-Treatment Conditions Of Patulin In Fresh Apple, Sun Lihua, Qian Huiping, Li Zhiwen, Chen Jiluan, Pang Xuequn, Yan Shijie

Food and Machinery

A rapid and sensitive method was established for the accurate determination of patulin in fresh apples. Experimental parameters including extraction methods, mobile phase composition and flow rate for HPLC which always affect the sensitivity and analysis efficiency of the method were optimized systemically. The results indicated that solid phase extraction (SPE) techniques using functionalized polystyrene-divinylbenzene column (PEP) exhibited satisfactory recoveries comparing with other extraction methods. Under the optimized chromatographic conditions, patulin could be well separated from other impurities within 4 min, and detected with a wide linear range between 10-25 000 μg/L and a detection limit of 10 μg/L (S/N=3) …

Determination Of Cd In Shrimps By Microwave Digestion And Inductively Coupled Plasma Mass Spectrometry, Li Qianyun, Zhou Guoyan, Cao Lei

Food and Machinery

The orthogonal array design methods were applied to analyze the influence of H₂O₂ volume/HNO₃ volume/microwave digestion time three factors and their interaction on the extraction of Cd，select an optimized progress to extract Cd from shrimps. The experimental results showed that when H₂O₂ volume was 1.0 mL, HNO₃ volume is 5.0 mL, microwave digestion time was 13 minutes and 46 seconds, under these conditions，the contents of Cd reached 0.497 mg/kg. Determination of GBW10050 (big shrimps) showed that contents of Cd have the same results with standards values. Method limits of detection were obtained …

Nondestructive Detection Of Internal Quality Of Loquat By Near Infrared Spectroscopy, Wang Xi, Wu Xiyu, Pang Lan, Xu Dan

Food and Machinery

Spectra data of the 101 loquat samples were obtained by using NIRS and the TSS, titratable acid, Vc of the samples were determined by conventional chemical methods. The mathematical pretreatment methods were used as spectral preprocessing options, and then the calibration models of TSS, titratable acid and Vc were established respectively by PLS. By using these models, the TSS, titratable acid and Vc in the validation sets can be predicted. The Rp2 are 0.906, 0.745, 0.554, RMSEP are 0.628, 0.048, 2.23 respectively, and the RPD of TSS is 3.31. Thus, the calibration model of TSS can be used for the …

Functions And Route Of Food Safety In The Financial Performance Of Enterprises, Wang Laigen

Food and Machinery

Food enterprises have the ability to guarantee food safety, will inevitably lead to the interests of the stakeholders to make a choice of behavior, which can affect the interests of enterprises, and ultimately reflect the financial performance of enterprises. By examining the function of food safety in the financial performance of enterprises, it can be found that the food safety affects the attitude of the consumers, the government and the public opinion, so that food companies can improve the financial performance. Therefore, financial performance has the function of promoting food enterprises to fulfill their food safety guarantee responsibilities. However, due …

Study On Elastic And Plastic Strain Strength For Housing Of Flour Pressure Spray Dryer, Wang Zhencheng, Liu Airong, Wei Jinying, Zhao Yongjie

Food and Machinery

The axisymmetric thin walled housing model for the thin-walled housing of YPG-22500 flour pressure spray dryer was established, and the typical equation of energy method based on the thin-walled housing theory under the elastic-plastic deformation was listed, and the calculation method and condition on strain strength and deformation stiffness were also given. According to the assuming boundary condition on both ends of the housing and to the working environment of cycle fatigue and to the actual situation of materials line hardening, integrated the typical equation successively by the computer to obtain the numerical approximate solution matched the requirement and the …

Discrete Element Simulation And Experiment Research Of Material Flow In Rubber Roller Husker Vibrating Feeder, Jia Lele, Ruan Jinglan

Food and Machinery

The models of Rubber Roller Husker Vibrating Feeder and rice particle are obtained through the discrete element analysis software EDEM. Simulate the movement of material flow in the vibrating feeder by setting up the corresponding parameters. The average speed of single particle is 0.22 m/s roughly under the theoretical parameters, and the average velocity of material flow is around 0.24 m/s. The trajectory is achieved and the feeding uniformity is discussed. In order to verify the feasibility of the simulation results, adopt vibration meter GM63B to measure the actual velocity of material flow under the different amplitude in the experimental …

Improvement Of Pressing Device In Ch Wrapper, Deng Yongxiang, Li Gaojun

Food and Machinery

The cigarette packet under the pressing device of the CH wrapper is easy to be friction scratch by conveying belt, when the equipment is stopped. In order to solve this problems, the pressing device was improved as following： ①between the hinge and support are connected by threads into elastic connection; ② when the CH wrapper is stopped, the pressing device is a cylinder lifting left the cigarette packets without pressure of the cigarette package. The results of application showed that the new device can guarantee the normal operation of equipment, and effectively solves the cigarette packets and conveyor belt friction …

Improved Design Of Servomechanism Drive System In Flavoring Feeding, Wu Wenqiang, Yi Hao, Liu Bin, Liu Yong, Zhang Hui, Zhang Xuewu, Xu Junmin

Food and Machinery

According to the low flavoring accuracy in the traditional frequency conversion feeding pump drive system,the the feed pump drive system was improved, the servo motor system was used to drive the liquid feeding, and the control program is optimized. After the modification of the system, the cumulative added essence increased from 0.09% to 0.15%, to ensure the uniformity of spiced charging, improve the product quality, reduce the production cost.

Analysis Of Shelf Life Of Different Flavor Barbecue Salt, Yue Yuanyuan, Tian Yan

Food and Machinery

Using accelerated shelf life test method, by improving the different barbecue flavor salt storage temperature and speed up its quality changes, moisture content, total number of colonies, coliform group in different barbecue flavor salt was determined to predict its shelf life through the analysis shelf life model. Results show that the different spices and amount is the main reason that influence the shelf life length, among them, the shelf life of spicy barbecue flavor salt is the longest (298 d), followed is hemp and spicy flavor of barbecue salt (284 d), cumin flavor of barbecue salt and garlic flavor barbecue …

Study On Antioxidant Of Neferine From Lotus Powder, Ren Mei, Xia Yanbin

Food and Machinery

Neferine was studied as object in this study. Using total reducing power, hydroxyl radical system, superoxide radical system, DPPH system, and schaal oven-storage test to study the antioxidant activities and antioxidant activity in rapeseed oil of neferine from lotus powder, which prepared by HSCCC. The results showed: compared with V_C, neferine showed better total reducing power and scavenging effect in free radical system, which its maximum scavenging rate of hydroxyl radical,superoxide radical and DPPH radical was 62.79%, 76.23%, 93.57%, respectively. In addition, different neferine dosage had both dose-effect on the relationship with the antioxidant effect of rapeseed oil. …

Study On Composition And Antioxidant Activity Of Amino Acids In Pickled Tofu Oligopeptides, Tang Jie

Food and Machinery

By water soluble preparation of oligo peptide of fermented bean curd, physico-chemical analysis and amino acid composition analysis, through and ascorbic acid comparison ·OH, DPPH·, O-₂· free radical scavenging capacity, evaluation of fermented bean curd oligopeptides antioxidant activity of the oligopeptides. The results showed that the total protein content of fermented bean curd oligopeptides 85.47%. The amino acid composition of the rich, rich in antioxidant amino acids must amino acid content of 34.43%, with the total amino acid content of antioxidant activity was 30.5%; antioxidation experiment results show, fermented bean curd oligopeptides with free radical scavenging capacity and …

Separation Of Β-Sesquiphellandrene By Silica Gel And Argentation Column Chromatography, Wang Yan, Zhou Changyuan, Du Ailing

Food and Machinery

A aether and n-hexane solution was used as mobile phase to preliminary extract β-sesquiphellandrene from ginger oleoresin by common silica gel column chromatography, and GC—MS was used for detecting β-sesquiphellandrene tracing. Comparison of different developing solvents of β-sesquiphellandrene and zingiberene on argentated silica gel G pre-coated plate, hexane-ethyl acetate (99∶1)was used as the mobile phase to sepatate β-sesquiphellandrene, the results indicated that the GC—MS area percentage of the silica gel and argentation column chromatography product was 95.79% with 89.73% recovery. Through the HPLC detection of β-sesquiphellandrene peak sample, β-sesquiphellandrene was found its existence of UV absorption at 232 nm, and …