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Prediction of Feed Utilization Performance in Clarias gariepinus Using Multiple Linear Regression in Machine Learning 基于机器学习的多元线性回归预测加里宾Clarias饲料利用性能
Pub Date : 2020-06-29 DOI: 10.35691/jbm.0202.0134
Adekunle Oluwatosin Familusi
Machine learning models can be used to make predictions about nutrient utilization performance index using available proximate analysis data on feed composition. Data from similar experiments on nutrient utilization performance was used to fit a multiple linear regression model for the prediction of four performance indexes. The Specific Growth Rate and percentage inclusion with strength of 0.57 was noted along with a negative relationship between protein efficiency and protein content. A negative relationship between Nitrogen Free Extract (NFE) and Protein Efficiency Ratio (PER) at NFE content ≥25 % was observed. PER was predicted with 85 % accuracy, while Weight Gain (WG), Feed Conversion Ratio (FCR) and Specific Growth Rate (SGR) were predicted at 48 %, 7.6 % and 4.2 % respectively. WG model showed highest coefficient value to ash content (1.23) which is less likely to contribute to fish weight compared to values of fat content (-0.34) and crude protein (-1.02). FCR and SGR models appeared to be dependent on variables outside those included in the proximate analysis data for this study.
机器学习模型可以利用现有的饲料成分近似值分析数据来预测养分利用性能指数。利用养分利用性能类似试验数据拟合多元线性回归模型,对4个性能指标进行预测。特定生长率和包涵率均为0.57,蛋白质效率与蛋白质含量呈负相关。无氮浸出物(NFE)与蛋白质效率(PER)在NFE含量≥25%时呈负相关。PER的预测准确率为85%,增重(WG)、饲料转化率(FCR)和特定生长率(SGR)的预测准确率分别为48%、7.6%和4.2%。与脂肪含量(-0.34)和粗蛋白质(-1.02)相比,WG模型对灰分含量的系数值最高(1.23),而灰分含量对鱼重的影响较小。FCR和SGR模型似乎依赖于本研究中包含的近似分析数据之外的变量。
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引用次数: 0
Land Application of Sewage Sludge: Physiological and Biochemical Response of the Rio Grande Tomato 污泥的土地利用:里约热内卢大番茄的生理生化响应
Pub Date : 2020-06-01 DOI: 10.35691/jbm.0202.0126
N. Charchar, A. Elafri, Redwane Rais, Halassi Ismahen
Treated wastewater produces sewage sludge as a by-product that may have beneficial implications on agricultural practices. The effects of sludge amendments on growth, morphological and biochemical characteristics of the agro-industrial Tomato cultivar Rio Grande were observed. A pot culture experiment was carried out during 4 months (16 February 2019 to 18 June 2019), at an experimental green house in the locality of Salah Soufi, Guelma, north-eastern Algeria. There were significant differences between soil and sewage sludge samples. Total nitrogen (20.58 mg/kg) was more available in sewage sludge than in soil (N = 2.09 ± 0.3 mg/kg). In contrast, sludge contained less phosphorus and organic matter than soil. The observation of the morphological characteristics of the plants showed significant variations between the treatments. The germination rates for treated soils decreased significantly to reach 50%, compared to the control. Growth patterns (dry and fresh weight of leaves and roots) changed significantly (P <0.05) between the treatments. Chlorophyll contents of plants in treated soils were more than twice as high as those of the control, but started decreasing at 75% amendment rates.
经过处理的废水产生的污水污泥作为副产品,可能对农业实践产生有益的影响。研究了污泥改良剂对农工番茄“里奥格兰德”生长、形态和生化特性的影响。盆栽试验为期4个月(2019年2月16日至2019年6月18日),在阿尔及利亚东北部Guelma的Salah Soufi地区的一个实验温室进行。土壤和污水污泥样品之间存在显著差异。污泥中总氮含量(20.58 mg/kg)高于土壤(N = 2.09±0.3 mg/kg)。相比之下,污泥所含的磷和有机物比土壤少。植株的形态特征在不同处理间表现出显著差异。与对照相比,处理土壤的发芽率显著下降,达到50%。各处理间叶片和根系的干重、鲜重变化显著(P <0.05)。处理后土壤中植物叶绿素含量是对照的2倍以上,但在75%的修正率下开始下降。
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引用次数: 0
Feeding Ecology, Behaviour and Habitat Utilization of Black Drongo (Dicrurus Macrocercus) in Pothwar Plateau, Pakistan 巴基斯坦波特瓦尔高原黑尾龙的摄食生态、行为及生境利用
Pub Date : 2020-06-01 DOI: 10.35691/jbm.0202.0131
M. Bilal, Zeeshan Khalid, Ali Hasnain Mosvi, A. Naseer
Black Drongo is an insectivorous bird native to Pakistan. The present study focused on its feeding preferences, behaviour, ecology and habitat relationships. The study was carried out from first week of December, 2019 to the second week of April, 2020 in the two villages of Rawalpindi named as Daultala (Location-I) and Nata Gujarmall (Location-II). Observations were made by point count method on foot using line transect method. Air (52.27%) was the most commonly used feeding substrate. Aerial feeding mode (52.27%) is preferred over plant or tree gleaning (n=58) and ground feeding (n=47). Most common perching site was man made obstacle, wire (37.72%). Thirteen indigenous tree species and two exotic trees including Eucalyptus (Eucalyptus camaldulensis) and Bottle brush (Callistemon citrinus) were used as perching site by Black Drongo throughout the study. Black Drongo remained solitary (36.36%) during feeding rituals and shared (63.63%) its intimate habitat with other birds. At Location-I and Location-II, habitat was shared with 12 and 16 bird species, respectively. The mean time of prey capturing attempt was lower at Location-I (1.93±0.17 min) than Location-II (2.16±0.16 min). The time range of prey capturing attempt was (0.1±0.16 min) to (11.5±0.17 min). Black Drongo captured prey successfully by first attempt (59.54%), maximum attempts noted were 6. After preying attempts Black Drongo came back to same perch site (67.27%); which is a representative of resource abundance.
黑卷尾鸟是一种原产于巴基斯坦的食虫鸟。本研究的重点是其摄食偏好、行为、生态和栖息地关系。该研究于2019年12月第一周至2020年4月第二周在拉瓦尔品第两个名为Daultala(地点1)和Nata Gujarmall(地点2)的村庄进行。采用样线法进行足部点计数观察。空气(52.27%)是最常用的进料基质。空中饲喂方式(52.27%)优于植物或树木采集(n=58)和地面饲喂(n=47)。最常见的栖地为人工障碍物、铁丝网(37.72%)。在整个研究过程中,黑尾龙以13种本地树种和桉树(Eucalyptus camaldulensis)和瓶刷(Callistemon citrinus) 2种外来树种作为栖息地。在进食仪式中,黑卷尾鸟保持独居(36.36%),与其他鸟类共享(63.63%)亲密的栖息地。地点1和地点2分别有12种和16种鸟类共享栖息地。位置1的平均捕获时间(1.93±0.17 min)低于位置2(2.16±0.16 min)。捕获尝试的时间范围为(0.1±0.16 min) ~(11.5±0.17 min)。黑龙第一次捕获成功(59.54%),最大捕获次数为6次。尝试捕食后,黑龙会返回同一栖地(67.27%);这是资源丰富的一个代表。
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引用次数: 4
Survey of human-leopard (Panthera Pardus) conflict in Ayubia National Park, Pakistan 巴基斯坦阿尤比亚国家公园人豹(Panthera Pardus)冲突调查
Pub Date : 2020-06-01 DOI: 10.35691/jbm.0202.0130
Muhammad Nabeel Awan, A. Yaqub, M. Kamran
Wildlife populations are at a risk of extinction mainly because of human-wildlife conflict (HWC). The present study was designed to evaluate the ongoing HWC with special reference to Common Leopard (Panthera pardus) in Ayubia National park through field study as well as a literature-based approach. Questionnaire interview surveys were designed for wildlife officials working in the park and the locals who bear the cost for leopard conflict through livestock depredation and crop damage. The study showed that human-leopard conflict in the study area has been increasing. More than 60% of people considered livestock depredation as the major reason for their negative perception towards the common leopard. Among livestock, goats were more vulnerable which showed that leopards mostly preferred smaller prey. A number of reported human injuries and deaths on account of Human-Leopard conflict in the study area helped conclude that human-wildlife conflict is a significant issue. Mitigation measures may hence be recommended, such as livestock compensation schemes and community-based conservation approaches, etc. It is critical to avoid human-Leopard conflict not only to keep the public and their property safe but also to help conserve this important species of common leopard (Panthera pardus).
野生动物种群濒临灭绝的主要原因是人类与野生动物的冲突(HWC)。本研究旨在通过实地研究和基于文献的方法,以阿尤比亚国家公园的普通豹(Panthera pardus)为例,评估正在进行的HWC。问卷访谈调查是针对在公园工作的野生动物官员和因猎豹掠夺牲畜和破坏作物而承担代价的当地人设计的。研究表明,研究区域的人豹冲突一直在增加。超过60%的人认为牲畜掠夺是他们对普通豹子负面看法的主要原因。在牲畜中,山羊更容易受到攻击,这表明豹子更喜欢较小的猎物。据报道,在研究区域,由于人与豹的冲突,许多人受伤和死亡,这有助于得出结论,人与野生动物的冲突是一个重大问题。因此,可以建议采取缓解措施,如牲畜补偿计划和以社区为基础的保护办法等。避免人类与豹的冲突至关重要,这不仅是为了保护公众及其财产的安全,也是为了帮助保护这种重要的普通豹(Panthera pardus)。
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引用次数: 4
Seroprevalence, Biochemical Investigation and Risk Factor Assessment for HBV & HCV Infection in Hospital Based Patients of Islamabad, Pakistan 巴基斯坦伊斯兰堡住院患者HBV和HCV感染的血清阳性率、生化调查及危险因素评估
Pub Date : 2020-06-01 DOI: 10.35691/jbm.0202.0127
N. Rana, B. Munir, N. Hussain, Nazia Imtiaz, A. Gondal, F. Parvaiz
Viral hepatitis poses a serious threat to mankind. Hepatitis B and C Virus are blood borne pathogens that affect millions of individually globally. This study was conducted on a hospitalbased population in Islamabad, Pakistan over a period of 4 months, utilizing ELISA as the diagnostic technique which suggested a higher seroprevalence rate for both HBV and HCV i.e. 2.07% and 8.24% respectively. A correlational analysis of the biochemical parameters of these individuals with HBV and HCV infection was carried out and the results indicated a positive correlation of HBV with Alkaline Phosphatase (ALP), HCV with Total Bilirubin (TBil) and both the viruses with Alanine Aminotransferase (ALT). Furthermore, the risk factors in relation to these viral infections were explored upon which our data suggested that surgery, blood transfusion and contact with contaminated instruments at the barber for haircut/shaving and jewelers for piercings were the major risk factors responsible for aiding the contraction of the viral disease by patients in the hospital. These high percentages of the viral infection among the population require proper management and prevention techniques to minimize the number of casualties and further cases to provide a healthier surrounding for the people to live in.
病毒性肝炎对人类构成严重威胁。乙型和丙型肝炎病毒是血液传播的病原体,影响全球数百万人。本研究在巴基斯坦伊斯兰堡的医院人群中进行了为期4个月的研究,采用ELISA作为诊断技术,结果显示HBV和HCV的血清阳性率分别为2.07%和8.24%。结果显示,HBV与碱性磷酸酶(ALP)呈正相关,HCV与总胆红素(TBil)呈正相关,二者与丙氨酸转氨酶(ALT)呈正相关。此外,还探讨了与这些病毒感染有关的风险因素,根据我们的数据,手术、输血和在理发/剃须时接触受污染的器械,以及在珠宝店打孔时接触受污染的器械,是帮助患者在医院感染病毒疾病的主要风险因素。人口中病毒感染率如此之高,需要适当的管理和预防技术,以尽量减少伤亡人数和进一步病例,为人们提供更健康的生活环境。
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引用次数: 5
Role of Rescue 1122 in Wildlife Welfare in Punjab, Pakistan 救援1122在巴基斯坦旁遮普野生动物福利中的作用
Pub Date : 2020-06-01 DOI: 10.35691/jbm.0202.0128
Muhammad Sajid Rana, Fakhar -i-Abbas, Fakhra Nazir, K. William
Rescue 1122 emergency services in Punjab (Pakistan) also responds to calls when residents feel threatened from wild animals. Emergency calls received between August 2015 and July 2016 recorded 16 arthropod, 25 mammal, 156 bird, 816 reptile and 264 un-identified cases from different parts of the Punjab, which were safely handled and in majority of cases animals were safely released back in nature.
旁遮普(巴基斯坦)的救援1122紧急服务机构也会在居民感到受到野生动物威胁时响应呼叫。2015年8月至2016年7月期间接到的紧急电话记录了来自旁遮普不同地区的16例节肢动物、25例哺乳动物、156例鸟类、816例爬行动物和264例身份不明的病例,这些病例得到了安全处理,在大多数情况下,动物被安全放归自然。
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引用次数: 0
Physical and Chemical Properties of Soils in Gambari Forest Reserve Near Ibadan, South Western Nigeria. 尼日利亚西南部伊巴丹附近甘巴里森林保护区土壤理化性质研究
Pub Date : 2020-06-01 DOI: 10.35691/jbm.0202.0132
A. Opeyemi, B. Adewunmi, Abiola Oluwaseyi
The different features of soil greatly affect the flora and vegetative diversity of a forest. The physical and chemical characteristics of soils in Onigambari Forest Reserve were evaluated to assess the fertility and productivity status of the soils. Fifteen soil samples collected from different sample locations were analyzed for soil texture (sand, silt and clay), bulk density, porosity, pH, organic matter, total nitrogen, available phosphorus, exchangeable bases (Na, K, Ca and Mg) and available micronutrients (Zn, Cu, Fe and Mn). Texturally, the studied soils were loamy sand and sandy loam with percentage of sands (71.2-84.2 %), silts (7.4-10.4 %) and clay (6.4-19.4 %). The bulk density of the soils was 1.61-1.83 % while the porosity of the soils ranged from 35.2-44.1 %. The slightly acidic to neutral soil pH (5.90 - 6.60) and medium organic matter content (1.68 -2.60 %) suggest adequate level of soil nutrients. The soils had high total nitrogen (0.35 -0.65 %) and available phosphorus contents between 10.98 and 18.22mg/kg.
土壤的不同特征极大地影响了森林植物区系和植被的多样性。对奥尼甘巴里森林保护区土壤的理化特征进行了评价,以评价土壤的肥力和生产力状况。从不同取样地点采集15个土壤样品,分析土壤质地(砂、粉和粘土)、容重、孔隙度、pH、有机质、全氮、有效磷、交换性碱(Na、K、Ca和Mg)和有效微量元素(Zn、Cu、Fe和Mn)。土质主要为壤土和砂质壤土,砂质含量为71.2 ~ 84.2%,粉质含量为7.4 ~ 10.4%,粘土含量为6.4 ~ 19.4%。土壤容重为1.61 ~ 1.83%,孔隙度为35.2 ~ 44.1%。微酸性至中性土壤pH值(5.90 ~ 6.60)和中等有机质含量(1.68 ~ 2.60%)表明土壤养分水平充足。土壤全氮含量高(0.35 ~ 0.65%),速效磷含量在10.98 ~ 18.22mg/kg之间。
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引用次数: 7
Use of Different Agro-wastes in the Cultivation of Pleurotus ostreatus (Jacq.) Kummer 不同农业废弃物在平菇栽培中的利用Kummer领军
Pub Date : 2020-06-01 DOI: 10.35691/jbm.0202.0129
M. Iwuagwu, Deborah S Nwaukwa, Chidi E. Nwaru
Agro-wastes are abundant in both rural and urban areas and when carelessly disposed off to the environment by dumping or burning, they lead to environmental pollution, and consequently to health hazards. Growing of edible mushroom on these wastes can contribute to decrease in environment pollution. This work investigated the growth and yield of Pleurotus ostreatus on different agro-wastes: plantain midrib (PM), corn straw (CS), sugarcane bagasse (SB) and their combinations (PM+CS, PM+SB, CS+SB, CS+PM+SB) with a view to finding the best substrate for the growth of P. ostreatus. The experiment was carried out using completely randomized design with seven treatments and three replications. Results revealed that mycelia growth period and days to pinhead formation were faster in corn straw (7 and 11 days, respectively from the day of inoculation), this was followed by CS+SB (8 and 12 days, respectively) while CS+PM+SB recorded the longest days (13 and 17, respectively). Stipe length ranged from 2.6 cm in PM to 3.3 cm in CS+PM while the pileus diameter was between 3.3 cm in CS and PM and 4.3 cm in PM+SB. Number of fruiting bodies, fresh and dry weights of the mushroom were significantly higher in CS than in the other substrates. The least number of fruiting bodies, fresh and dry weights were recorded in CS+PM+SB.
农村和城市地区都有大量的农业废物,如果不小心通过倾倒或焚烧向环境排放,就会造成环境污染,从而危害健康。在这些废弃物上种植食用菌有助于减少环境污染。研究了平菇(Pleurotus ostreatus)在车前草中叶(PM)、玉米秸秆(CS)、甘蔗甘蔗渣(SB)及其组合(PM+CS、PM+SB、CS+SB、CS+PM+SB)上的生长和产量,以期寻找平菇生长的最佳基质。试验采用完全随机设计,7个处理,3个重复。结果表明,玉米秸秆菌丝生长期和到针尖形成的天数最快(从接种之日起分别为7天和11 d), CS+SB次之(分别为8天和12 d), CS+PM+SB最长(分别为13天和17 d)。茎杆长度在PM的2.6 cm ~ CS+PM的3.3 cm之间,菌毛直径在CS+PM的3.3 cm ~ PM+SB的4.3 cm之间。CS处理蘑菇的子实体数、鲜重和干重显著高于其他基质处理。CS+PM+SB的子实体数、鲜重和干重最少。
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引用次数: 0
Association of Interleukin 17F with Arthritis in Punjabi Families of Pakistan 白介素17F与巴基斯坦旁遮普家庭关节炎的关系
Pub Date : 2020-03-31 DOI: 10.35691/jbm.0202.0118
A. Parveen, A. Batool, M. Mukhtar, A. Wajid, N. Malkani
Arthritis is a chronic inflammatory disease that causes severe joint pain. Interleukin 17F (IL17F) is considered as a candidate gene functionally; it mediates pro-inflammatory responses, depending on the type and site of inflammation. The present study examined the polymorphism of IL17F (rs763780 and rs2397084) among the families affected by arthritis. Demographic data and blood samples were collected from the families with at least one affected offspring with arthritis. Analysis of the IL17F gene polymorphism was performed by the digestion of DNA with NlaIII and AvaII. The results showed that IL17F rs763780 (AA, AG and GG genotypes) and rs2397084 (AA, AG and GG genotypes) were associated with arthritis (OA & RA). It was evaluated that about 65 and 21 percent of the individuals mutated with homozygous mutation for wild type allele A, heterozygous mutation A/G against selected SNPs respectively. But homozygous polymorphic allele for allele G was only found against rs2397084. Mutation in rs2397084 resulted to change Lysine into Arginine, whereas mutation in rs763780 changed Histidine into Arginine. Maternal history was found as a stronger factor in transferring arthritis. The results of this study revealed an association of arthritis with IL17F among Pakistani population.
关节炎是一种慢性炎症性疾病,会引起严重的关节疼痛。白细胞介素17F (IL17F)被认为是功能上的候选基因;它根据炎症的类型和部位介导促炎反应。本研究检测了关节炎家族中IL17F (rs763780和rs2397084)的多态性。人口统计数据和血液样本来自至少有一个患病后代患有关节炎的家庭。用NlaIII和AvaII酶切DNA,分析IL17F基因多态性。结果显示,IL17F rs763780 (AA、AG和GG基因型)和rs2397084 (AA、AG和GG基因型)与关节炎(OA和RA)相关。结果表明,65%和21%的个体分别产生野生型等位基因A纯合突变和杂合突变A/G。而等位基因G的纯合多态性等位基因仅在rs2397084上发现。rs2397084突变使赖氨酸变为精氨酸,而rs763780突变使组氨酸变为精氨酸。母亲病史是关节炎转移的重要因素。本研究结果揭示了巴基斯坦人群中关节炎与IL17F的关系。
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引用次数: 0
NUTRITIONAL EVALUATION OF MAIZE PLANT FODDER GROWN IN SPRING AND AUTUMN SEASON IN PUNJAB, PAKISTAN 巴基斯坦旁遮普春季和秋季种植的玉米植物饲料的营养评价
Pub Date : 2020-03-31 DOI: 10.35691/jbm.0202.0123
N. Q. Hanif, N. Akhtar
Present study was planned to assess the nutritional evaluation of maize plant grown in spring and autumn seasons. For this purpose, a total of 277 (n=130 in spring and n=147 in autumn season) samples were collected from high maize-growing localities i.e. Kasur, Pakpattan, Okara, Burewala, Sahiwal, Lahore and Melsi. These samples were analyzed for different parameters such as dry matter (DM) and Crude protein (CP) etc. It was noticed that during spring season the values of dry matter (DM), neutral detergent fiber (NDF), acid detergent fiber (ADF) and starch were significantly higher than autumn season values. On the other hand, crude protein (CP) was higher in maize grown in autumn season. Furthermore, dry matter (DM), neutral detergent fiber (NDF), acid detergent fiber (ADF) and starch were low in autumn sampling than spring season. The evident difference showed that during autumn season, at the time of growing season, the seasonal conditions are tough which gradually become favorable from nutrients point of view. While the maize grown in spring season found suitable environment which gradually harshen at the time of harvest. Therefore, it is suggested to cut the spring-crop early in spring during the month of May-June to have better nutritional value.
本研究拟对春秋两季玉米植株进行营养评价。为此,在Kasur、Pakpattan、Okara、Burewala、Sahiwal、Lahore和Melsi等玉米高生地共采集了277份样本(春季n=130份,秋季n=147份)。对样品进行干物质(DM)、粗蛋白质(CP)等参数分析。春季干物质(DM)、中性洗涤纤维(NDF)、酸性洗涤纤维(ADF)和淀粉含量显著高于秋季。另一方面,秋季玉米的粗蛋白质含量较高。干物质、中性洗涤纤维、酸性洗涤纤维和淀粉含量秋季低于春季。明显的差异表明,在秋季,在生长季节,季节条件是艰苦的,从养分的角度来看,逐渐变得有利。而春季种植的玉米则在收获时逐渐找到了适宜的生长环境。因此,建议在5 - 6月的早春时节采收,以获得更好的营养价值。
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引用次数: 3
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Journal of Bioresource Management
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