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Analysis of the Development of Bali Cattle Population in Agriculture Ecosystem of Timor Island using System Dynamics 帝汶岛农业生态系统中巴厘牛种群发展的系统动力学分析
Pub Date : 2020-12-16 DOI: 10.20884/1.JAP.2020.22.2.45
A. M. Fuah, A. Yani, R. Priyanto, B. P. Purwanto, Jefirstson Richset Riwukore, F. Habaora
Developing Bali cattle population in Timor Island, East Nusa Tenggara province carries a potential issue regarding cattle population. The objective of this research was to conduct an analysis and projection of the development of Bali cattle population in the agricultural ecosystem in Timor Island using system dynamics. The research was conducted from January to September 2018. The research location was determined purposively based on the characteristics of the agricultural ecosystem located in Kupang Regency and Kupang City. The research used 60 Bali cattle and involved 102 rancher respondents. Interviews and field observations were conducted to obtain primary and secondary data. Data analysis was done by building a system dynamics using Powersim and interpreting the simulation results for the next 30 years. The analysis results of the system dynamics showed that a declining population of Bali cattle over the next 19 or 25 years due to the ranchers' current behavior. The contributing factors included calf mortality that reached 29.6% per year; Bali cow mortality was up to 14.1% per year; calving interval was 22 months; traditional farm management that it is not economical; and the rate of livestock export reached 29.5% per year of the total population. Rancher management interventions and farm policies to reduce the inhibiting factors of cattle productivity are needed to maintain the population of Bali cattle in Timor Island, especially in the agricultural ecosystem.
在东努沙登加拉省帝汶岛发展巴厘岛的牛种群,可能会带来牛种群问题。本研究的目的是利用系统动力学对帝汶岛农业生态系统中巴厘牛种群的发展进行分析和预测。该研究于2018年1月至9月进行。根据库邦县和库邦市农业生态系统的特点,有针对性地确定了研究地点。这项研究使用了60头巴厘岛牛,涉及102名牧场主受访者。进行了访谈和实地观察,以获得主要和次要数据。数据分析是通过使用Powersim构建系统动力学并解释未来30年的模拟结果来完成的。系统动力学分析结果表明,由于牧场主目前的行为,巴厘岛牛的数量在未来19或25年内会下降。促成因素包括每年达到29.6%的小牛死亡率;巴厘岛奶牛的死亡率每年高达14.1%;产仔间隔22个月;传统的农场管理不经济;牲畜出口率达到每年总人口的29.5%。需要牧场管理干预措施和农场政策来减少影响牛生产力的因素,以维持帝汶岛巴厘岛牛的数量,特别是在农业生态系统中。
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引用次数: 1
Improving Performance of Heifer Buffalos Fed with Urea-treated Rice Straw Ensiled with Cassava Pulp Supplemented with Concentrates 木薯浆加精料青贮尿素稻草对提高小母牛生产性能的影响
Pub Date : 2020-12-16 DOI: 10.20884/1.JAP.2020.22.2.48
M. Bata, M. Y. Sumaryadi, S. Rahayu, Nova Marung
The objectives of this research were the optimalization of production and reproduction of buffalo heifers through improving feed quality based on rice straw. Twelve heifer buffaloes with body weight of 243 – 350 kg were kept in individual cages and grouped to four. Each groups were randomized to receive three treatments of A, B and C according to Randomized Completely Block Design (RCBD). A was buffalo fed only rice straw. B was buffalo fed rice straw supplemented with concentrate with a dry matter ratio of 70:30. C was similar to B but the rice straw was ammoniated using urea of 4% ensiled with 8% of cassava pulp.  In-Vitro test was conducted to measure rumen fermentation product. The results showed the highest of DM and OM digestibility was achieved at C treatment, while the lowest was found at A treatment. Rumen fermentation produsts and its efficiency were the highest in C treatment.  In-vivo result showed that ADG of C was higher than that of B and A. Reproductive performance characterized by frequency oestrus for 123 days were an average of 2.5, 2.8 and 4.5 times for A, B and C, respectively. The highest blood metabolite of glucose, urea and erytrocyt was found at C but the leucocyt was lowest compared to A and B. Urea treated rice straw ensiled with cassava pulp and supplemented with concentrate can improve production and reproduction performance of heifer buffaloes.
本研究的目的是通过提高稻秆饲料质量来优化水牛小母牛的生产和繁殖。12头体重在243 ~ 350公斤的小母牛被单独关在笼子里,每组4头。根据随机完全区组设计(RCBD),每组随机接受A、B、C三种治疗。A是只喂稻草的水牛。B组以干物质比为70:30的稻秆补精料饲喂水牛。C与B相似,但采用4%尿素和8%木薯浆青贮对稻草进行氨化处理。体外试验测定瘤胃发酵产物。结果表明,C处理的DM和OM消化率最高,A处理的DM和OM消化率最低。C处理的瘤胃发酵量和效率最高。体内实验结果表明,C的平均日增重高于B和A。以发情频率为特征,123 d内A、B和C的平均繁殖性能分别为2.5倍、2.8倍和4.5倍。葡萄糖、尿素和红细胞的血代谢产物在C组最高,而白细胞较A和b组最低。木薯浆青贮尿素处理稻秆并补充精料可提高小母牛水牛的生产和繁殖性能。
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引用次数: 1
Policies to Increase Calves Production in East Nusa Tenggara as a National Production Center 东努沙登加拉作为国家生产中心提高小牛产量的政策
Pub Date : 2020-12-16 DOI: 10.20884/1.JAP.2020.22.2.11
U. Lole, A. Keban
The determinant factors of the growth of calf cattle production in NTT Province (both technical/technological, economic, socio-cultural, investment, and related institutions) have not been specifically identified and measured. This is very important for the purpose of formulating and implementing related policies. The objectives of this study were to analyze the main factors affecting the level of calf production, and to formulate policy interventions to increase calf production. A research survey was carried out on parties related to the planning and development of cattle business. The quantitative approach is in the form of regression analysis of time series data. The economic phenomenon of calf production in Kupang Regency has been simplified into a mathematical model (response function). The result reported that the estimated value of the parameters in the total calf production equation model in NTT was: TPRAS= – 20434.1 + 0.2262 LTTSIP* – 0.0032 TLPRAns + 0.2147 TLLTP* + 0.1036 TPTRU* + 0.1877 TRKUT** + 0.2067TRDIB** + 0.1057 TRDVT** + 0.3647 LTPRAS* + 811.7645 TREND**. In conclusionl, the increased production of calves was dependent on the increase in support for the main production factors [number of productive cows, number of farmers, amount of feed, and amount of cement/vaccine] adequatly. Policy investment (through interest rates and realization farming loans), policy of productive cows control (through postponement of slaughter and the provision cash incentives), and policy of technology support (through realization AI doses of semen and livestock vaccines) significantly affect to production of calves.
NTT省小牛生产增长的决定因素(技术/技术、经济、社会文化、投资和相关机构)尚未得到具体确定和衡量。这对于制定和实施相关政策非常重要。本研究的目的是分析影响小牛生产水平的主要因素,并制定提高小牛生产的政策干预措施。对与畜牧业规划和发展有关的各方进行了调查。定量方法是对时间序列数据进行回归分析。将库邦县小牛生产的经济现象简化为一个数学模型(响应函数)。结果表明,NTT中小牛总产量方程模型中的参数估计值为:TPRAS=–20434.1+0.2262 LTTSIP*–0.0032 TLPRAns+0.2147 TLLTP*+0.1036 TPTRU*+0.1877 TRKUT*+0.2067 TRDIB*+0.1057 TRDVT*+0.3647 LTRAS*+811.7645 TREND**。总之,小牛产量的增加在很大程度上取决于对主要生产因素[多产奶牛的数量、农民的数量、饲料的数量和水泥/疫苗的数量]支持的增加。政策投资(通过利率和实现农业贷款)、奶牛生产控制政策(通过推迟屠宰和提供现金奖励)和技术支持政策(通过实现精液和牲畜疫苗的人工智能剂量)对小牛生产产生了重大影响。
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引用次数: 1
Synchronization Protein-Energy Index of Various Forages for Dairy Livestock: an In Vitro Study 奶牛不同饲料同步蛋白质能量指数的体外研究
Pub Date : 2020-12-16 DOI: 10.20884/1.JAP.2020.22.2.34
A. N. Syamsi, H. S. Widodo
The present study inventoried the protein-energy synchronization (PES) index of various types of grass. The study was conducted using in vitro techniques with material 5 types of grass (elephant, king, dwarf elephant, guinea, and setaria) and rumen fluid of the Friesian Holstein (FH). The PES index is calculated based on the average degradation of g protein and Kg organic matter (OM) per hour at the time of observation of 2nd, 4th, 6th, 8th, 12th, 24th, 48th, and 72nd hours. The hourly degradation rates were analyzed by linear regression to obtain the average hourly degradation rate. The results were included in the PES index calculation formula and discussed descriptively. This study found that all five grass had almost uniform nutritional value. Regression analysis results show a different equation, but with a high coefficient of determination (> 90%) on all types of grass. The PES index obtained in elephant, king, dwarf elephant, guinea, and setaria grass are 0.72, 0.66, 0.69, 0.58, and 0.68. The study concluded that elephant grass has a PES index at a high level, while king, dwarf elephant, guinea, and setaria grass at medium level for compiling dairy rations.
本研究对不同类型牧草的蛋白质能量同步(PES)指数进行了测定。本研究采用离体技术,以5种草(象、王、矮象、几内亚和刚毛)和弗里斯荷斯坦(FH)瘤胃液为材料进行。PES指数基于在第2、第4、第6、第8、第12、第24、第48和第72小时的观察时每小时g蛋白质和Kg有机物(OM)的平均降解来计算。通过线性回归分析每小时的降解率以获得平均每小时降解率。结果包含在PES指数计算公式中,并进行了描述性讨论。这项研究发现,所有五种草的营养价值几乎一致。回归分析结果显示了不同的方程,但对所有类型的草具有较高的决定系数(>90%)。在大象、王、矮象、几内亚和刚毛草中获得的PES指数分别为0.72、0.66、0.69、0.58和0.68。研究得出的结论是,象草的PES指数处于较高水平,而王、矮象、几内亚和刚毛草在编制乳制品口粮时处于中等水平。
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引用次数: 1
Effect of Feeding Quails with Mixture Feeds Composed of Crab Waste Meal, Leubim Fish Waste Meal, and Broken Rice Grains as Partly Substitution of Commercial Diet on Egg Quality 用螃蟹废粉、白鱼废粉和碎米混合饲料部分替代商品日粮饲喂鹌鹑对蛋品质的影响
Pub Date : 2020-12-16 DOI: 10.20884/1.JAP.2020.22.2.50
Z. Zulfan, H. Latif, C. A. Fitri, Evi Aswita
In rearing quails, many attempts have been done to reduce feed cost among other things by replacing partly commercial diet with numerous alternative feed sources such as crab waste meal (CWM), leubim fish (Canthidermis maculata) waste meal (LFWM), and broken rice grains (BRG). The purpose of this study was to determine the effect of using a mixture feeds composed of CWM + LFWM + BRG as a substitute for commercial laying chicken diets on the quality of quail eggs. This research was conducted at the Field Laboratory of Animal Husbandry and the Laboratory of Poultry Production Science, Syiah Kuala University. This study used 80 female quails (Coturnix-coturnix japonica) females aged 4 weeks. The treatment was feeding quails with the commercial diet of laying hen (324-1M) of which 0, 10, 20, and 30% of the diets was substituted by the mixture feeds composed of CWM + LFWM + BRG.  The study was performed into block randomized design (BRD) consisting of 4 treatments and 4 replicate blocks.  The blocks were established based on the different initial body weights of 4-week ages of female quails.    Each treatment was an experimental unit consisting of 5 female quails each. The measured parameters were Yolk Index (YI), yolk color, Albumen Index (AI), eggshell thickness, and egg weight.   The results of the study indicated that using up to 30% mixture feeds composed of 7,5% CWM + 9,1% LFWM + 13,4% BRG as a substitute for commercial laying chicken diets most significantly increased yolk index and yolk color of quail eggs.  However, the albumen index, eggshell thickness, and egg weight were not significantly affected.
在饲养鹌鹑的过程中,已经进行了许多尝试,通过用许多替代饲料来源(如螃蟹废粉(CWM)、斑斑蝥废粉(LFWM)和碎米粒(BRG))取代部分商业化饮食来降低饲料成本。本研究的目的是确定使用由CWM+LFWM+BRG组成的混合饲料代替商业蛋鸡日粮对鹌鹑蛋质量的影响。这项研究是在马来西亚吉隆坡大学畜牧业田间实验室和家禽生产科学实验室进行的。本研究使用了80只4周龄的雌性鹌鹑(Coturnix Coturnix japonica)。采用商品蛋鸡(324-1M)饲喂鹌鹑,其中0、10、20和30%的日粮由CWM+LFWM+BRG组成的混合饲料替代。该研究采用分组随机设计(BRD),包括4个治疗和4个重复分组。根据4周龄雌性鹌鹑的不同初始体重建立了这些区块。每种处理都是一个实验单元,每个实验单元由5只雌性鹌鹑组成。测量的参数包括蛋黄指数(YI)、蛋黄颜色、白蛋白指数(AI)、蛋壳厚度和鸡蛋重量。研究结果表明,用高达30%的由7,5%CWM+9.1%LFWM+13.4%BRG组成的混合饲料代替商品蛋鸡日粮,能显著提高鹌鹑蛋的蛋黄指数和蛋黄颜色。然而,蛋白指数、蛋壳厚度和蛋重没有受到显著影响。
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引用次数: 1
The Effect of Fermented Aflatoxins Contaminated Feed on Digestibility and Performance of Broiler Chickens 黄曲霉毒素污染饲料对肉鸡消化性能的影响
Pub Date : 2020-09-17 DOI: 10.20884/1.JAP.2020.22.1.3
Isabelle Beatrice Mukandungutse, J. K. Tuitoek, A. Kingori, M. Obonyo
Poultry is susceptible to mycotoxicoses caused by aflatoxins. Two experiments were carried out, where twenty-four, 28days old and 144 one-day-old broilers were assigned to six diets respectively. The diets were: diet1 (no aflatoxin and not fermented), diet2 (no aflatoxin and fermented without yeast), diet3 (no aflatoxin and fermented with yeast), diet4 (contained aflatoxin and not fermented), diet5 (contained aflatoxin and fermented without yeast) and diet6 (contained aflatoxin fermented with yeast). The aflatoxins were 20.034 and 30.08ppb for the first and second experiments respectively. In the first experiment, each diet was assigned to 4 chickens for 7days adaptation and 7days for feces and leftover collection. The feces were oven dried for the determination of dry matter digestibility (DMD), metabolizable energy (ME) and nitrogen (MN). In the second experiment, each diet was assigned to six chicks, replicated 4 times for 21days. Leftovers and mortalities were recorded daily and chicks were weighed on a weekly basis. The results showed that DMD and MN were significantly (p<0.05) affected by fermentation. Natural fermentation improved DMD of the clean and contaminated diets. No difference found in feed intake and body weight gain. However, gain: feed ratio was significantly (p=0.048) better in broilers fed diets fermented naturally. The mortality rate was 75.0% in chicks fed on aflatoxin diet which was not fermented. Therefore, natural fermentation is the best method of improving the quality of aflatoxin contaminated feed for broilers.
家禽易受黄曲霉毒素引起的霉菌毒素的影响。进行了两个实验,将24、28日龄和144只一日龄肉鸡分别分配到六个日粮中。日粮为:diet1(无黄曲霉毒素,未发酵)、diet2(无黄霉菌毒素,无酵母发酵)、diet3(无黄杆菌毒素,有酵母发酵),diet4(含黄曲霉毒素但未发酵),diet5(含黄曲霉毒素,无酵发酵)和diet6(含黄杆菌毒素和酵母发酵)。第一次和第二次试验的黄曲霉毒素分别为20.034和30.08ppb。在第一个实验中,将每种饮食分配给4只鸡进行7天的适应,并将其分配给7天的粪便和残渣收集。将粪便烘干以测定干物质消化率(DMD)、代谢能(ME)和氮(MN)。在第二个实验中,每种饮食被分配给六只小鸡,重复4次,持续21天。每天记录剩菜和死亡情况,每周对小鸡称重。结果表明,发酵对DMD和MN有显著影响(p<0.05)。自然发酵改善了清洁和污染日粮的DMD。在采食量和体重增加方面没有发现差异。然而,饲喂自然发酵日粮的肉鸡的增料比显著提高(p=0.048)。未经发酵的黄曲霉毒素日粮雏鸡的死亡率为75.0%。因此,自然发酵是提高肉鸡黄曲霉毒素污染饲料质量的最佳方法。
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引用次数: 1
The Influence of Socio-Economic Factors on The Productivity of Farmers in The Business of Layers in Blitar Regency 社会经济因素对布利塔县蛋鸡经营农民生产力的影响
Pub Date : 2020-09-16 DOI: 10.20884/1.JAP.2020.22.1.17
Dwiki Alfikriyadi Lutfi, Sumarji Sumarji, Ahsin Daroni
Blitar District is one of the areas that has potential in developing laying hens. However, laying hens in Blitar are still traditionally carried out and have not paid attention to aspects of effectiveness and efficiency economically. The purpose of the study was to find out the profile of farmer , test the level of farmer productivity and examine the effect of socio-economic factors (the age of farmer, education level, length of livestock raising and number of livestock) on labor productivity in laying hens in Blitar District. The study used a survey method with a sample of 22 sub-districts in Blitar District. The determination of the number of sub-districts was chosen using the purposive sampling method, so that 6 sub-districts were selected. Respondents were selected by the quota sampling method of 10 farmer in each selected region. Data collected were analyzed descriptively and statistically. To find out the social influence on productivity, classical assumption was tested and multiple linear regression tests. Based on the results of the study, the profile of laying hens in Blitar District carried out traditional farming systems with livestock ownership including high categories that had heterogeneous socio-economic status. Furthermore, labor productivity of laying hens in Blitar District is quite effective and efficient, because the value is greater than the minimum wage (UMR) of Blitar District. Age of farmers, education of farmers, and number of livestock have a significant influence on the productivity of laying hens farmers in Blitar District.
布里塔尔区是有潜力发展蛋鸡的地区之一。然而,英国的蛋鸡仍然是传统的,没有注意经济效益和效率方面的问题。研究的目的是了解农民概况,检验农民的生产力水平,并检验社会经济因素(农民年龄、受教育程度、牲畜饲养年限和牲畜数量)对Blitar地区蛋鸡劳动生产率的影响。本研究采用调查方法,对布利塔区22个街道进行抽样调查。街道数量的确定采用目的抽样法,共选择6个街道。调查对象采用每选定地区10名农民定额抽样的方法进行。对收集的数据进行描述性和统计学分析。为了找出社会对生产率的影响,我们对经典假设进行了检验,并进行了多元线性回归检验。根据研究结果,Blitar地区蛋鸡的概况采用传统的养殖系统,包括具有异质社会经济地位的高类别牲畜。此外,Blitar地区蛋鸡的劳动生产率是相当有效和高效的,因为其价值大于Blitar地区的最低工资(UMR)。农民年龄、农民受教育程度和牲畜数量对Blitar地区蛋鸡农民的生产力有显著影响。
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引用次数: 0
Analysis of Decision Process to Buy Free-Range Eggs and the Implication on Marketing Mix (A Case Study to Wholesalers and Retailers Consumers in Traditional Markets in Purworejo District) 购买散养鸡蛋的决策过程分析及其对营销组合的影响(以Purworejo区传统市场的批发商和零售商消费者为例)
Pub Date : 2020-08-14 DOI: 10.20884/1.jap.2020.22.1.44
Zulfanita Zulfanita, Roisu Eny Mudawaroch, J. Wibawanti
This research aimed to compare the characteristics of free-range eggs consumers, to analyse their buying decision process and consumer satisfaction level, and to formulate the implication on free-range marketing mix across wholesalers and retailers in Purworejo districts. The research sample was 32 respondents, consisted of 16 wholesalers and 16 retailers selected with purposive sampling because of the limited number of respondents in each sub-district. The consumers were selected through snowball sampling from one respondent to another. The parameters included the general characteristics, the decision to buy free-range eggs, consumers’ satisfaction level, and marketing mix implications. The Data were analysed descriptively using Chi-Square, Mann-Whitney Customer Satisfaction Index (CSI), and Importance and Performance Analysis (IPA). The result found different characteristics across consumers of free-range eggs in both wholesalers and retailers regarding age group, marital status, education background, gender, occupation, and geographic locations. The different process of buying decision making was due to need identification. Regarding gathering information, the wholesaler consumers relied on electronic media and their neighbours, whereas the retailer consumers only from their neighbours. The main consideration to purchase free-range eggs among wholesaler consumers was the cleanliness of eggs, whereas the retailer consumers were the cleanliness and price of eggs. The consumer satisfaction index on consumers in wholesalers and retailers was 65.16 and 68.82, respectively, indicative of the satisfied category. The marketing mix implication on both sellers was improving the cleanliness of free-range eggs and the market area, matching selling price with the market price, controlling the quality of free-range eggs from the suppliers, and revisiting the supply system to ensure the real-time availability of free-range eggs.
本研究旨在比较散养鸡蛋消费者的特征,分析他们的购买决策过程和消费者满意度,并制定对Purworejo地区批发商和零售商的散养营销组合的影响。研究样本为32名受访者,其中包括16家批发商和16家零售商,由于每个街道的受访者数量有限,因此通过有目的的抽样选择。消费者是通过从一个受访者到另一个受访者的滚雪球抽样选出的。这些参数包括一般特征、购买散养鸡蛋的决定、消费者的满意度和营销组合影响。使用Chi Square、Mann-Whitney客户满意度指数(CSI)和重要性与绩效分析(IPA)对数据进行描述性分析。研究结果发现,批发商和零售商的散养鸡蛋消费者在年龄组、婚姻状况、教育背景、性别、职业和地理位置方面存在不同特征。购买决策的不同过程是由于需要识别。在收集信息方面,批发商消费者依赖电子媒体和他们的邻居,而零售商消费者只依赖他们的邻居。批发商消费者购买散养鸡蛋的主要考虑因素是鸡蛋的清洁度,而零售商消费者则是鸡蛋的干净度和价格。批发商及零售商的消费者满意指数分别为65.16及68.82,显示满意类别。营销组合对双方卖家的影响是提高散养鸡蛋的清洁度和市场面积,使售价与市场价格相匹配,控制供应商的散养鸡蛋质量,并重新审视供应系统,以确保散养鸡蛋实时可用。
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引用次数: 1
Antigen-G of Larva Serum of Musca domestica as an Immunoglobulin Production Promoter in Goats under an Organic Maintenance 有机维持条件下家蝇幼虫血清抗原- g对山羊免疫球蛋白生产的促进作用
Pub Date : 2020-07-06 DOI: 10.20884/1.jap.2020.22.1.36
L. Rumokoy, Hengky J. Kiroh, I. M. Untu, G. Assa, Santie H. Turangan, W. L. Toar
This experiment aimed to reveal the effect of serum G-antigen of M. domesticainsect larvae (LAS) as promoter antigen on serum immunoglobulin production in organically managed goat livestock. This study used 12 local goats which were divided into two groups: as a control group and treated group receiving treatment. Insect rearing was conducted to obtain the larvae, the antigen-G was then extracted from the larvae to be used as promoter antigen to enhance the serum antibody production which was subcutaneously immunized in experimental goats and incubated for a period of 14 days. Blood collection of 2.5 ml was taken through the jugular vein and then carried out a quantification of serum protein level indicating the antibody proportion of goats. The data of the LSA extract proportion level were statistically analyzed with t-test, and the quality classification level of serum immunoglobulin of animal groups were statistically analysed. The results showed that the serum of animal treated with LSA of M. domesticaresulted in a higher level of immunoglobulin (P <0.01) compared to the control. We conclude that the antigen-g substance (LSA) could support the efforts to improve the production of organic goat livestock by increasing the total level of antibodies circulating in the blood.
本实验旨在揭示M。家蝇幼虫(LAS)作为启动子抗原对有机管理山羊家畜血清免疫球蛋白产生的影响。本研究采用12只当地山羊,分为两组:对照组和治疗组。进行昆虫饲养以获得幼虫,然后从幼虫中提取抗原-G用作启动子抗原以增强血清抗体的产生,该抗体在实验山羊中皮下免疫并孵育14天。通过颈静脉采集2.5ml的血液,然后对血清蛋白水平进行定量,以指示山羊的抗体比例。LSA提取物比例水平数据采用t检验进行统计分析,动物组血清免疫球蛋白质量分级水平进行统计分析。结果表明,LSA处理后动物血清中M。家鼠免疫球蛋白水平高于对照组(P<0.01)。我们得出的结论是,抗原-g物质(LSA)可以通过提高血液中循环抗体的总水平来支持提高有机山羊牲畜产量的努力。
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引用次数: 0
Utilization of Biogas Liquid Waste For Starter In The Fermentation of Rice Husk As A Potential Feed For Poultry 沼气废液作发酵剂在稻壳发酵中的应用——一种潜在的家禽饲料
Pub Date : 2020-07-06 DOI: 10.20884/1.jap.2020.22.1.38
O. Sjofjan, Danung Nur Adli, I. H. Djunaidi, Kuncoro Kuncoro
The research was aimed to evaluate the effect of biogas liquid waste as a fermentation  starter of  rice husk to the nutrient content, gross energy and bulk density. The method  used laboratory experiment using a completely randomized design (CRD) on factorial  pattern (6 x 5) with the level of biogas waste liquid : P0-treatment (0% negative control), P0+ (Cellulomonas sp as positive control), P1 (5%), P2 (10%), P3 (15%), P4 (20%) ml/g, and the incubation time :  T0 (0 day control ), T1(7 days), T2 (14 days), T3 (21 days)  and  T4 (28 days). The variables  measured was the content of ash, crude protein, crude fiber, crude fat, gross energy and bulk density.  Data were analyzed by  analysis of variance  (anova)  CRD  Factorial  pattern and if there is a significant  difference  was followed  by  Duncan's  Multiple  Range  Test. The results of research  was  the  level of biogas  liquid waste and the  incubation  time  provides a significant  influence (P<0.01) on the nutrient content, gross energy and bulk density of rice husk. The  interaction  level  liquid waste  provision  of  biogas  and incubation time was highly significant  (P<0.01) on  the nutrient content, gross energy and bulk density. It can be concluded that the  addition of biogas liquid waste 15% (ml/g) with a time of incubation  for 21 days have best rice husk quality content based on improvement of crude protein, crude fat, and gross energy with lowest crude fiber.
本研究旨在评价沼气废液作为稻壳发酵剂对稻壳营养成分、总能量和容重的影响。该方法采用实验室实验,采用完全随机设计(CRD)析因模式(6 x 5),沼气废液水平为:P0处理(0%阴性对照)、P0+(阳性对照)、P1(5%)、P2(10%)、P3(15%)、P4(20%)ml/g,孵育时间为:T0(0天对照)、T1(7天)、T2(14天)、T3(21天)和T4(28天)。测量的变量是灰分、粗蛋白质、粗纤维、粗脂肪、总能量和堆积密度的含量。通过方差分析(anova)CRD因子模式对数据进行分析,如果存在显著差异,则进行邓肯多程检验。研究结果表明,沼液废弃物的水平和培养时间对稻壳的营养成分、总能量和容重有显著影响(P<0.01)。液体废弃物提供沼气的交互作用水平和培养时间对养分含量、总能量和体积密度具有高度显著性(P<0.01)。结果表明,添加15%(ml/g)的沼液,培养21天,在提高粗蛋白、粗脂肪和总能量的基础上,以最低的粗纤维,具有最佳的稻壳质量含量。
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引用次数: 10
期刊
Animal production
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