Parameter estimates of the Quantile regression and OLS
| Quantile variable | τ = 0.25 Coeff | t-ratio | τ = 0.5 Coeff | t-ratio | τ = 0.75 Coeff | t-ratio |
|---|---|---|---|---|---|---|
| Constant | 8.905 | .9896 | 7.336*** | 6.697 | 6.937*** | 6.134 |
| Gender | .024 | .351 | .145* | 1.940 | .076 | .979 |
| Age | .003 | .174 | .033* | 1.747 | .004 | .193 |
| Marital status | .005 | .096 | .040 | .701 | .111* | 1.865 |
| Education | .016 | 1.221 | .025* | 1.657 | –.001 | –.093 |
| Experience | .013 | .956 | .014 | .945 | .006 | .400 |
| Occupation | –.008 | –.236 | .060* | 1.603 | –.001 | –.013 |
| Household size | .004 | .525 | –.002 | –.218 | –.002 | –.199 |
| Association | .025 | .731 | .004 | .099 | –.026 | –.672 |
| Breed | .009 | .433 | .024* | 1.049 | .046** | 1.920 |
| Vulgarisation | –.016 | –.480 | –.008 | –.204 | –.051 | –1.34 |
| Credit acces | –.071 | –1.555 | –0.84** | –1.672 | –.032 | –.617 |
| Feed | .466*** | 11.676 | .436*** | 9.876 | .494*** | 10.84 |
| Transport | –.004 | –1.005 | –.004 | –.904 | –.006 | –1.29 |
| Labor | .013 | .644 | –.008 | –.375 | –.046** | –1.99 |
| Energy | –.005 | –716 | .008 | .902 | .020 | 2.303 |
| Drugs | –.033 | –1.375 | –.036 | –1.366 | –.018 | –.653 |
| Equipment | –.013 | –.676 | –.028 | –1.353 | –.028 | –1.29 |
| Depreciation poultry house | .008 | .432 | .046** | 2.155 | .036* | 1.651 |
| Other charges | .003 | .911 | –.003 | –.777 | –.002 | –.462 |
| Flock size | .000*** | 5.192 | .000*** | 5.061 | .000*** | 4.710 |
| Price of egg | .870 | 1230.1 | .867 | 560.01 | .867 | 281.7 |
| Price of water | .000*** | 7.402 | .000 | 5.604 | .001 | 5.206 |
| Price of a hen | .125*** | 254.06 | .121 | 112.95 | .101 | 46.99 |
| Pseudo R2 | .715 | .718 | .705 | |||
| F-statistics | 0.000 | 0.000 | 0.000 | |||
| No. of obs. | 269 | 269 | 269 |
Description and measurement of variables used in the Quantile regression model
| Variables | Variable | Expected sign | Description |
|---|---|---|---|
| 1 | 2 | 3 | 4 |
| Dependent variable | |||
| Production outcome | Yi | Quantity of eggs produced (continuous) | |
| Independent variable | |||
| Socio-demographic | |||
| Sex | X1 | +/− | Gender of the poultry farmer (1 = male, 2 = female). |
| Age | X2 | +/− | Age of the farmer in years |
| Marital status | X3 | +/− | 1 if farmers are married, 0 otherwise |
| Education level | X4 | + | Highest level of formal education attained, 0 – none, 1 – breeding training, 2 – primary, 3 – secondary, 4 – university |
| Experience (years) | X5 | + | Number of years the farmer has been involved in poultry farming (continuous) |
| Main occupation | X6 | + | 1 – whether poultry farming is the farmer’s primary occupation, 0 – otherwise |
| Household size | X7 | + | Total number of individuals living in the farmer’s household (continuous) |
| Institutional/organizational factors | |||
| Farmers associations | X8 | + | 1 – if farmers have a Membership status in a producer organization, 0 – otherwise |
| Extension services | X9 | + | 1 – if farmers have Access to extension services, 0 – otherwise |
| Access to credit | X10 | +/− | 1 – if farmers access financial support for poultry farming activities, 0 – otherwise |
| Production/management practices | |||
| Type of breed | X11 | + | The main poultry breed raised: 0 – don’t know, 1 – Isa Brown, 2 – Lerghon |
| Day-old chick | X12 | + | Number or cost of day-old chicks purchased for production (continuous) |
| Feed | X13 | + | Quantity of feed used in poultry production (kg) (continuous) |
| Production costs | + | ||
| Energy | X14 | + | Quantity of electricity in kWh (continuous) |
| Veterinary cost | X15 | + | Expenses for animal health care (continuous) |
| Labor cost | X16 | + | Wages hired labor used on the farm (continuous) |
| Transport cost | X17 | + | Expenses related to transporting and outputs (continuous) |
| Equipment | X18 | + | Cost of purchasing and maintaining poultry equipment (continuous) |
| Depreciation | X19 | + | Value reduction of buildings (continuous) |
| Other charges | X20 | + | Miscellaneous costs not included in the above categories (continuous) |
Distribution of respondents by flock size
| Flock size | Frequency | Percentage (%) | Mean | Median | Std. deviation |
|---|---|---|---|---|---|
| 500–1000 | 129 | 47.96 | |||
| 1001–2000 | 77 | 28.62 | |||
| 2001–3000 | 34 | 12.64 | |||
| >3000 | 29 | 10.78 | |||
| Total | 269 | 100 | 1654.09 | 1500.00 | 1182.214 |
Profitability of layer hen production to farmers in South Togo
| Description of items | Mean cost in (CFA/year) | Total in CFA | Percentage (%) contribution to total cost |
|---|---|---|---|
| Revenues composition | |||
| Egg sales | 25327202.01 | 86.51 | |
| Culled layers | 3841542.565 | 13.12 | |
| Waste/manure | 108794.2379 | 0.37 | |
| Total Revenue (TR) | 29277538.82 | 100 | |
| Variable cost item | |||
| Cost of birds | 1803866.71 | 7.33 | |
| Feed cost | 18359987.47 | 74.65 | |
| Labor cost | 2960665.428 | 12.04 | |
| Cost of medication/vet services | 581710.3643 | 2.37 | |
| Cost of energy | 23174.16357 | 0.094 | |
| Other charge | 104630.3797 | 0.43 | |
| Transport | 496632.7138 | 2.02 | |
| Total Variable Cost (TVC) | 24330667.23 | 88.72 | |
| Fixed cost | |||
| Depreciation on equipment | 93658.28996 | 0.38 | |
| Poultry house | 170908.1803 | 0.69 | |
| Total Fixed Cost (TFC) | 264566.4703 | 1.08 | |
| Total Cost (TC = TVC+TFC) | 24595233.7 | 100 | |
| Gross Margin (GM = TR − TVC) | 4946871.586 | ||
| Net Income (NI = TR − TC) | 4682305.115 | ||
| Returns on investment (ROI = NI/TC) | 0.190 | ||
| Net profit Ratio = NI/TR | 0.159 |
Household size
| Variables | House size |
|---|---|
| Mean | 4,30 |
| St. deviation | 2,122 |
| Minimum | 0 |
| Maximum | 9 |
Distribution of poultry farmers according to socioeconomic characteristics
| Variables | Frequency | Percentage |
|---|---|---|
| Farming experience (years) | ||
| Less than 5 | 78 | 29.0 |
| 5–10 | 99 | 36.8 |
| 10–15 | 43 | 16.0 |
| 15–20 | 22 | 8.2 |
| Greater 20 | 27 | 10.0 |
| Total | 269 | 100 |
| Main occupation | ||
| Part-time poultry farmer | 92 | 34.2 |
| Full-time poultry farmer | 177 | 65.8 |
| Total | 269 | 100 |
| Farmers associations | ||
| No | 158 | 58.7 |
| Yes | 111 | 41.3 |
| Total | 269 | 100 |
| Type of Breed | ||
| Don’t know | 6 | 2.2 |
| Isah Brown | 178 | 66.2 |
| Lerghon | 48 | 17.8 |
| Isah Brown&Lerghon | 37 | 13.8 |
| Total | 269 | 100 |
| Vulgarization | ||
| No | 163 | 60.6 |
| Yes | 106 | 39.4 |
| Total | 269 | 100 |
| Access to credit | ||
| No | 226 | 84.0 |
| Yes | 43 | 16.0 |
| Total | 269 | 100 |