scholarly journals Yumurta Verimi Üzerine Bazı Özelliklerin Etkisinin Regresyon Analiz Yöntemlerinden Bagging Mars ile Belirlenmesi ve R Uygulaması

2020 ◽  
Vol 8 (8) ◽  
pp. 1705-1712
Author(s):  
Demet Canga ◽  
Mustafa Boğa
Keyword(s):  
Egg Production ◽  
Goodness Of Fit ◽  
Hybrid Approach ◽  
B Value ◽  
Feed Consumption ◽  
Effect Of Temperature ◽  
Bootstrap Sample ◽  
Positive Contribution ◽  
Data Set ◽  
Sample Number

In the study, it has been demonstrated its use for a data set obtained from layer hens in a hybrid approach obtained by combining BAGGING and MARS. In the study, the data of 2018 of the egg production enterprise in a private livestock enterprise in the Çukurova Region of Adana province were used. In the research, a data set obtained from Lohman breed chickens, who are at an average age of 60 weeks, was used. Earth (enhanced adaptive regression through hinges) and caret (classification and regression training), mda (Mixture Discriminant Analysis) packages were used in R STUDIO program to provide a stronger solution of regression problems in the created MARS and Bagging MARS algorithm. The estimation performance of the bagging MARS technique was evaluated with the goodness of fit criteria by taking the B value of the bootstrap sample number 3. In the study, the effect of temperature and humidity on egg yield, broken / cracked eggs, number of dead animals and feed consumption was investigated using MARS and bagging MARS analysis. While the effect of evening temperature(t3) on egg yield was found to be significant, it was not included in the estimation equation since morning (t1) and noon(t2) temperatures did not have a significant effect. Since the number of broken / cracked eggs and dead animals is less than 5 weeks, these variables are not included in the estimation equation in MARS and Bagging MARS models. It has been observed that feed consumption has a positive contribution in both models.

Effect of Supplementation of Multi Enzymes on Production Performance and Egg Quality Traits in White Leghorn Layers

2016 ◽  
Vol 12 (2) ◽  
Author(s):  
C. Pandian ◽  
A. Sundaresan ◽  
A. V. Omprakash
Keyword(s):  
Egg Production ◽  
Egg Quality ◽  
Live Weight ◽  
Economic Benefits ◽  
Production Performance ◽  
Feed Consumption ◽  
Quality Traits ◽  
White Leghorn ◽  
Significant Difference ◽  
Enzyme Supplementation

The present study was conducted to assess the effect of supplementation of Multi-enzymes with lysophospholipids on production performance of pure line White Leghorn layers. Body weights before and after the experiment did not differ significantly across the experimental diets. Irrespective of the dietary treatments, the birds gained 3.83 per cent of live weight relative to its initial body weight. Mean per cent Hen housed egg production was significantly (Pis less than 0.05) higher in diet supplemented with 0.10 MEC-L than other groups. Mean egg weight and average daily feed consumption during 25 to 35 weeks of age indicated no significant effect of enzyme supplementation. Average daily feed consumption per bird in control, 0.05 % and 0.1% multi-enzyme supplemented groups was 108.13, 105.66 and 107.67 g respectively and birds offered control diet recorded numerically more feed intake than enzyme supplemented groups. Comparatively low feed per egg was observed in 0.10 per cent group followed by 0.05 per cent group which offers economic benefits than control diets. However, the egg quality traits between different dietary enzyme supplementation groups showed no significant difference.

Simple Index to Assess the Calibration Quality of Safety Performance Functions Based on Multiple Goodness-of-Fit Metrics

2021 ◽  
pp. 036119812110088
Author(s):  
Raul E. Avelar ◽  
Karen Dixon ◽  
Boniphace Kutela ◽  
Sam Klump ◽  
Beth Wemple ◽  
...  
Keyword(s):  
Goodness Of Fit ◽  
Synthetic Data ◽  
Calibration Procedure ◽  
Safety Performance ◽  
Absolute Deviation ◽  
Data Set ◽  
Safety Database ◽  
Simple Index ◽  
Safety Performance Functions

The calibration of safety performance functions (SPFs) is a mechanism included in the Highway Safety Manual (HSM) to adjust SPFs in the HSM for use in intended jurisdictions. Critically, the quality of the calibration procedure must be assessed before using the calibrated SPFs. Multiple resources to aid practitioners in calibrating SPFs have been developed in the years following the publication of the HSM 1st edition. Similarly, the literature suggests multiple ways to assess the goodness-of-fit (GOF) of a calibrated SPF to a data set from a given jurisdiction. This paper uses the calibration results of multiple intersection SPFs to a large Mississippi safety database to examine the relations between multiple GOF metrics. The goal is to develop a sensible single index that leverages the joint information from multiple GOF metrics to assess overall quality of calibration. A factor analysis applied to the calibration results revealed three underlying factors explaining 76% of the variability in the data. From these results, the authors developed an index and performed a sensitivity analysis. The key metrics were found to be, in descending order: the deviation of the cumulative residual (CURE) plot from the 95% confidence area, the mean absolute deviation, the modified R-squared, and the value of the calibration factor. This paper also presents comparisons between the index and alternative scoring strategies, as well as an effort to verify the results using synthetic data. The developed index is recommended to comprehensively assess the quality of the calibrated intersection SPFs.

Egg production of Calanus finmarchicus : effect of temperature, food and season

1997 ◽  
Vol 127 (4) ◽  
pp. 609-620 ◽  
Author(s):  
H.-J. Hirche ◽  
U. Meyer ◽  
B. Niehoff
Keyword(s):  
Egg Production ◽  
Calanus Finmarchicus ◽  
Effect Of Temperature

scholarly journals Dark energy survey internal consistency tests of the joint cosmological probes analysis with posterior predictive distributions

2021 ◽  
Vol 503 (2) ◽  
pp. 2688-2705
Author(s):  
C Doux ◽  
E Baxter ◽  
P Lemos ◽  
C Chang ◽  
A Alarcon ◽  
...  
Keyword(s):  
Dark Energy ◽  
Internal Consistency ◽  
Goodness Of Fit ◽  
Small Scale ◽  
P Value ◽  
Posterior Predictive Distribution ◽  
Data Set ◽  
Dark Energy Survey ◽  
Data Vector ◽  
Energy Survey

ABSTRACT Beyond ΛCDM, physics or systematic errors may cause subsets of a cosmological data set to appear inconsistent when analysed assuming ΛCDM. We present an application of internal consistency tests to measurements from the Dark Energy Survey Year 1 (DES Y1) joint probes analysis. Our analysis relies on computing the posterior predictive distribution (PPD) for these data under the assumption of ΛCDM. We find that the DES Y1 data have an acceptable goodness of fit to ΛCDM, with a probability of finding a worse fit by random chance of p = 0.046. Using numerical PPD tests, supplemented by graphical checks, we show that most of the data vector appears completely consistent with expectations, although we observe a small tension between large- and small-scale measurements. A small part (roughly 1.5 per cent) of the data vector shows an unusually large departure from expectations; excluding this part of the data has negligible impact on cosmological constraints, but does significantly improve the p-value to 0.10. The methodology developed here will be applied to test the consistency of DES Year 3 joint probes data sets.

scholarly journals Plumage Condition, Feed Consumption, and Egg Production Relationships in Laying Hens

1989 ◽  
Vol 68 (2) ◽  
pp. 221-225 ◽  
Author(s):  
C. HAGGER ◽  
C. MARGUERAT ◽  
D. STEIGER-STAFL ◽  
G. STRANZINGER
Keyword(s):  
Egg Production ◽  
Laying Hens ◽  
Feed Consumption

scholarly journals Effect of Herbal Liver Stimulants on the Performance of Hy-line Commercial Layer

1970 ◽  
Vol 9 ◽  
pp. 37-40
Author(s):  
Damodar Neupane ◽  
Mukesh Karki ◽  
C. R. Upreti ◽  
Tribhuveneshor Dhaubhadel
Keyword(s):  
Feed Intake ◽  
Egg Production ◽  
Daily Intake ◽  
Basal Diet ◽  
Feed Consumption ◽  
Herbal Products ◽  
Dietary Treatments ◽  
Additional Income ◽  
Calculated Average ◽  
Observation Period

An investigation was undertaken on 180 day-old Hy-line layer chicks to assess the effect of herbal products on feed consumption, egg production and profitability. The experimental chicks were randomly divided in three groups with three replicates in each and were housed in identical management and environmental conditions. Dietary treatments were prepared by addition of herbal liver stimulants such as Livoliv 250 @500 g/ton (D2) and Superliv @500g/ton (D3) in the basal diet (D1). Feed intake, egg production and mortality were recorded throughout the observation period of 50 weeks. Feed per unit of egg production, hen day percentage, additional income of supplemented diet over the basal diet were calculated. Average daily intake (g) of the diets per bird were observed as 59.19±1.05 g, 58.31±0.337 g and 57.67±0.163 g up to 20 weeks and 108.94±0.06 g, 109.01±0.05 g and 108.26±0.41 g during the laying period fed with D3, D1 and D2 diets respectively. Similarly, higher hen day egg % (76.9%) was recorded in the birds fed with Superliv supplemented diet (D3), followed by Livoliv supplemented diet (D2) (73.4%) and Basal diet (D1) (72.1%) with feed intake per unit egg production of 179.3 g, 178.1 g and 193.0 g, respectively. Total egg production was found higher with D3 (161.49 egg), followed by D2 (154.15 egg) and basal diet (151.45 egg) with layer house cumulative mortality only in D3 (3.75%). Additional profits of Rs. 35.18 and Rs. 12.86 in terms of egg selling over feed cost per layer were calculated for the bird fed with Superliv supplemented diet (D3) and Liveloliv supplemented diet (D2) than that of the basal diet. Key words: layer; herbal products; liver stimulant; feed efficiency; profit DOI: 10.3126/njst.v9i0.3162 Nepal Journal of Science and Technology 9 (2008) 37-40

scholarly journals EGG PRODUCTION CURVE OF RHODE ISLAND RED CHICKENS

2021 ◽  
Vol 28 (1) ◽  
pp. 78-83
Author(s):  
O. O. ONI ◽  
N. I. DIM ◽  
B. Y. ABUBAKAR ◽  
O. E. ASIRIBO
Keyword(s):  
Linear Regression ◽  
Mathematical Models ◽  
Rhode Island ◽  
Cycle Length ◽  
Egg Production ◽  
Goodness Of Fit ◽  
Production Data ◽  
Production Cycle ◽  
Breeder Hens ◽  
The Mean

Data on the monthly egg production of a strain of Rhode Island chickens (500 breeder hens) were used to test the goodness of fit of six mathematical models, viz; Exponential, Parabolic exponential, Wood's Gamma type and modified Gamma type by McNally, Inverse polynomial and Linear regression. Egg production was summarized for each hen into 28-d periods, starting from the day of firts egg. The hens were classified into different production cycle length based on the number of 28-d periods. The models were fitted to the mean results obtained for periods within groups of hens. The effect of cycle length on goodness of fit was also examined separately for the 'best' three models with highest R2 values. The egg production cycle (i.e. number of 28-d periods) varied from 9 to 15 periods. Similarly, the coefficients of determination (R2) varied from 0.16 to 0.95 from fitting the models to mean egg production data for groups of hens. The results suggest that thye 'best' three models that were chosen fitted 52 week laying records quite well, judging from their respective R2, which were higherf for McNally (0.95) and Parabolic exponential (0.93) than for wood (0.75). Based on the goodness of fit to 52-week production record, the McNally model gave the best results. However, its suitability in predicting full year production from part year record needs to be further investigated.

scholarly journals Penggunaan Tepung Limbah Udang sebagai Bahan Pakan Sumber Protein terhadap Performa Produksi Puyuh Fase Layer (Coturnix-coturnix japonica)

2018 ◽  
Vol 5 (2) ◽  
pp. 31
Author(s):  
Hamdan Has ◽  
Astriana Napirah ◽  
Widhi Kurniawan ◽  
Natsir Sandiah
Keyword(s):  
Egg Production ◽  
Production Performance ◽  
Feed Consumption ◽  
Shrimp Waste ◽  
Feed Conversion ◽  
Treatment Unit ◽  
Egg Weight ◽  
Randomized Design ◽  
Average Production ◽  
Laying Quail

ABSTRAKLimbah udang merupakan limbah pengolahan udang yang memiliki potensi sebagai pakan sumber protein bagi ternak puyuh. Penelitian ini bertujuan mengkaji penggunaan tepung limbah udang (TLU) sebagai sumber protein pakan pada puyuh fase layer. Penelitian ini menggunakan rancangan acak lengkap empat perlakuan lima ulangan perlakuan yang digunakan terdiri dari empat level penggunaan tepung limbah udang dalam ransum yaitu P0 (kontrol), P1 (5% TLU), P2 (7,5% TLU) dan P3 (10% TLU), tiap unit perlakuan disi dengan 5 ekor puyuh. Puyuh yang diguanakan adalah puyuh fase layer umur 20 minggu, sebanyak 100 ekor yang didistribusikan kedalam 20 unit percobaan. Bahan pakan yang digunakan adalah jagung, dedak padi, konsentrat petelur dan tepung limbah udang. Data yang diperoleh dianalisis ragam dan data yang berbeda nyata (P<0,05) diuji lanjut menggunakan uji duncan. Variabel yang diamati adalah performa produksi: konsumsi pakan, produksi telur, bobot telur dan konversi ransum. Hasil penelitian menunjukkan bahwa penggunaan TLU dalam ransum (P1,P2 dan P3) menunjukkan pengaruh nyata (P<0,05) dibanding kontrol pada minggu ke-tiga penelitian terhadap bobot telur dan konversi ransum, penggunaan TLU (P1,P2,P3) selama lima minggu meningkatkan konsumsi ransum (P<0,05) dibanding kontrol tetapi tidak berbeda nyata (P>0,05) terhadap produksi telur, bobot telur dan konversi ransum. Kesimpulan penelitian ini bahwa penggunaan TLU dalam ransum dapat digunakan hingga level 7,5% sedangkan level 10% menunjukkan adanya penurunan rata-rata performa produksi.Kata kunci: tepung limbah udang, puyuh fase layer, performa produksiABSTRACTShrimp waste was shrimp processing waste which has the potential as protein source for quail feed. This study was aimed to examine the use of shrimp waste flour (SWF) asprotein source for laying quail feed. This study used  completely randomized design that consist of four treatments and five replications.The treatmentswere using levels of shrimp waste flour in feed and consist of P0 (control), P1 (5% SWF), P2 (7.5% SWF) and P3 (10% SWF ). Each treatment unit was filled with 5 quails. One hundred of 20 weeks laying quails were used in this study. Self mixing feed that contained corn, rice bran, laying concentrate and shrimp waste flour were used in this study. The data obtained were analyzed using analyze of variance and continued using Duncan multiple range test. The variables observed were production performance that consist of feed consumption, egg production, egg weight and feed conversionratio. The results showed that the use of SWF in feed (P1, P2 and P3) showed a significant effect (P <0.05) compared to controls in the third week of research on egg weight and feed conversion ratio.The use of SWF (P1, P2, P3) for five weeks increased feed consumption (P <0.05) compared to controls but not significantly different (P>0.05) for egg production, egg weight and feed conversion. The conclusion of this study was the use of SWF in feed can be used until 7.5% on laying quail feed while the level of 10% indicates a decrease in average production performance.Keywords: shrimp waste flour, laying quail, production performance

scholarly journals Keep it simple - A case study of model development in the context of the Dynamic Stocks and Flows (DSF) task

2010 ◽  
Vol 2 (2) ◽  
pp. 38-51 ◽  
Author(s):  
Marc Halbrügge
Keyword(s):  
Goodness Of Fit ◽  
Model Development ◽  
Cognitive Model ◽  
Training Data ◽  
Sequence Matching ◽  
Data Set ◽  
Depth Analysis ◽  
Stocks And Flows ◽  
Matching Techniques

Keep it simple - A case study of model development in the context of the Dynamic Stocks and Flows (DSF) taskThis paper describes the creation of a cognitive model submitted to the ‘Dynamic Stocks and Flows’ (DSF) modeling challenge. This challenge aims at comparing computational cognitive models for human behavior during an open ended control task. Participants in the modeling competition were provided with a simulation environment and training data for benchmarking their models while the actual specification of the competition task was withheld. To meet this challenge, the cognitive model described here was designed and optimized for generalizability. Only two simple assumptions about human problem solving were used to explain the empirical findings of the training data. In-depth analysis of the data set prior to the development of the model led to the dismissal of correlations or other parametric statistics as goodness-of-fit indicators. A new statistical measurement based on rank orders and sequence matching techniques is being proposed instead. This measurement, when being applied to the human sample, also identifies clusters of subjects that use different strategies for the task. The acceptability of the fits achieved by the model is verified using permutation tests.

scholarly journals EFEK PENAMBAHAN EKSTRAK KAYU SECANG (Caesalpinia sappan L.) DAN MINYAK IKAN LEMURU DALAM RANSUM PAKAN TERHADAP HEN DAY PRODUCTION, KONVERSI PAKAN, DAN MORTALITAS PUYUH PETELUR

2020 ◽  
Vol 14 (2) ◽  
pp. 1-8
Author(s):  
Anang Widigdyo ◽  
Adiguna Sasama Wahyu Utama
Keyword(s):  
Fish Oil ◽  
Egg Production ◽  
Feed Consumption ◽  
Feed Conversion ◽  
Caesalpinia Sappan ◽  
Flavonoid Compounds ◽  
Randomized Design ◽  
Low Concentrations ◽  
Wood Extract ◽  
Completely Randomized Design

The purpose of this study was to evaluate the effect of giving levels of secang wood extract and lemuru fish oil on the appearance of laying quails which included feed consumption, Hen Day Production (HDP), feed conversion of quail egg mortality. This study used Autumn strain quail with a population of 168 individuals with basal feed supplemented with several levels of secang wood extract. This research method is an experiment using a completely randomized design (CRD) factorial with 4 treatments with 6 replications with each repetition consisting of 7 quails aged 10-15 weeks. The treatment was as follows: P0 = basal feed without the addition of secang wood extract P1 = basal feed + 0.2% EKS + 4% MIL, P2 = basal feed + 0.4% EKS + 4% MIL, P3 = basal feed + 0 , 6% EX + 4% MIL. The addition of a combination of secang wood extract and fish oil was carried out according to the level of quail feeding. The variable being measured; feed consumption, Hen Day Production (HDP), Feed conversion, mortality. Addition of secang wood extract with a level of 0%; 0.2%; 0.4%; 0.6%, and 4% lemuru fish oil had no significant effect on feed consumption, hen day production, feed conversion, mortality, this was due to flavonoids, polyphenols and active compounds in oil. lemuru fish does not affect the appearance of quail egg production. Flavonoid compounds in low concentrations have no effect on chicken feed consumption, because the content of flavonoid compounds can still be tolerated by the chicken body. The use of lemuru fish oil with a concentration of up to 6% in quails does not affect the consumption of quail feed, because the addition of lemuru fish oil does not affect the palatability of quail feed. The conclusion of this study was that the addition of secang wood extract. The addition of secang wood extract and lemuru fish oil did not affect hen day production, feed conversion and mortality of laying quails

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