Reference metadata describe statistical concepts and methodologies used for the collection and generation of data. They provide information on data quality and, since they are strongly content-oriented, assist users in interpreting the data. Reference metadata, unlike structural metadata, can be decoupled from the data.
MAPA (Ministerio de Agricultura, Pesca y Alimentación (Ministry for Agriculture, Fishing and Food)
1.2. Contact organisation unit
Subdirección General de Análisis, Coordinación y Estadística.
1.3. Contact name
Confidential because of GDPR
1.4. Contact person function
Confidential because of GDPR
1.5. Contact mail address
B-25
Paseo de Infanta Isabel 1
28014 Madrid
SPAIN
1.6. Contact email address
Confidential because of GDPR
1.7. Contact phone number
Confidential because of GDPR
1.8. Contact fax number
Confidential because of GDPR
5 March 2019
2.1. Metadata last certified
11 June 2021
2.2. Metadata last posted
11 June 2021
2.3. Metadata last update
11 June 2021
.
3.1. Data description
The number of laying hens in Spain is determined, depending of the Region, by several ways:
Administrative Records - REGA (General Registry of livestock holdings) - this database includes all poultry farms of the Regions, so the laying hen farms are selected using the specific criteria
Farm Surveys - The experts from the Regions made surveys in holdings with laying hens, producing eggs for consumption. The information obtained through interviews to the responsible of the holding, either in the farm or by telephone, is the number of laying hens of the last year.
In Spain, there are several methods for obtaining the production of eggs for human consumption, depending of the Region:
Model-based estimates (the eggs production of laying hens is obtained from the multiplication of the census of laying hens by an average yield (eggs per hen per year). This average yield varies depending on the type of farming (free range, organic, cage). The yield per hen is obtained by market experts.
Farm Surveys (the experts from the Regions made surveys in holdings with laying hens, producing eggs for consumption. The information obtained through interviews to the responsible of the holding, either in the farm or by telephone, is the: • Annual rate of egg production per hen per year. • Total number of eggs produced in the previous year • Percentage of eggs produced by each class.)
3.1.1. The main data source of the information
Eggs producers
3.2. Classification system
NUTS 2 for regional breakdown
NACE rev2 for economic activities
3.3. Coverage - sector
NACE rev 2: 01.47
3.4. Statistical concepts and definitions
Laying hens: Fowls of domestic species Gallus gallus.
Holding producing eggs for consumption: a facility rearing laying hens, registered in accordance with Commission Directive 2002/4 / EC (1).
Eggs: shell eggs - unbroken, incubated or cooked - of hens of the Gallus gallus species and suitable for direct human consumption or for the preparation of egg products.
3.4.1. Definition of eggs for consumption under EU methodology
Yes
3.4.2. If not, specify the definition used.
Not applicable
3.4.3. Definition of egg producer under EU methodology
Yes
3.4.4. If not, specify the definition used
Not applicable
3.4.5. Definition of laying hens under EU methodology
Yes
3.4.6. If not, please describe the differences
Not applicable
3.4.7. Definition of ungraded eggs under EU methodology
Not relevant
3.4.8. If not, specify the definition used
Not relevant
3.4.9. Ungraded Eggs provided separately
Not relevant
3.4.10. Additional comments on statistical concepts and definitions
No comments
3.5. Statistical unit
1 - Agricultural holdings with laying hens
3.6. Statistical population
The statistical population for the production of eggs for consumption, is the set of laying hen farms that appear in the Directory of Poultry Farms of the registers of the Autonomous Communities of the General Directorates competent in the matter, which will provide information to the REGA, attached to the General Directorate of Livestock of the MAPA.
REGA is the General Registry of Livestock Farms, which includes the basic data of more than 900,000 farms located in Spain, relating to more than one hundred and fifty different species of production animals. The Real Decreto 479/2004, of March 26, establishes andregulates the Registry.
3.6.1. Physical, economical or other threshold(s) applied to the data collection
National figures include eggs produced by the whole population of agricultural holdings declaring to REGA having laying hens for production of eggs for consumption.
As the population is obtained from a registry where the information of capacity and census of hens is included, a distinction can be done between the holdings above the threshold set up in the ESS Agreement and the ones under this same threshold.
Data transmitted to Eurostat under the ESS Agreement on Eggs for Consumption include estimations for the holdings above the threshold set up in the ESS Agreement.
3.6.1.1. COVERAGE
This statistic has a census character as it considers 100% of the farms registered in the REGA. Its quality is endorsed by the quality of the administrative registry on which it is based and by its scope of application (the national territory except Ceuta and Melilla). Therefore, it is estimated that the coverage of the operation is close to 100%.
3.7. Reference area
The whole territory, except for the Autonomous Cities of Ceuta and Melilla.
3.8. Coverage - Time
The periodicity of the statistics on eggs for human consumption is annual, and the time period covered by the available information includes data since 2001.
3.8.1. The first survey/data collection
2014
3.9. Base period
There have been no significant methodological changes, so the time series of the statistics is homogeneous since its inception.
3.10. Other comments
The production of eggs for human consumption is estimated by the Number of layers measured in units, through the Annual Yield measured in eggs / hen, with the Production of eggs in thousands of units.
4.1. Unit of measure in million
Yes
4.2. Other unit of measures used
Not applicable
5.1. Reference period in calendar year based
Yes
5.2. Reference date for number of laying hens
31 december of the reference year
5.3. Additional comments on the reference period/date used
No comments
6.1. Institutional Mandate - legal acts and other agreements
Regulation (CE) No 589/2008 of the Commission, 23 june 2008.
At national level: Ley 12/1989, de 9 de mayo, de la Función Estadística Pública (LFEP).
6.2. Institutional Mandate - data sharing
Not applicable (for the 2023 metadata collection)
7.1. Confidentiality - policy
Not applicable (for the 2023 metadata collection)
7.2. Confidentiality - data treatment
Not applicable (for the 2023 metadata collection)
8.1. Release calendar
Not applicable (for the 2023 metadata collection)
8.2. Release calendar access
Not applicable (for the 2023 metadata collection)
8.3. Release policy - user access
Not applicable (for the 2023 metadata collection)
Not applicable (for the 2023 metadata collection).
No database is available for disemination at the moment. It is foreseen to diseminate the results of the agricultural statistics through a database in the future.
10.4. Dissemination format - microdata access
Not applicable (for the 2023 metadata collection)
10.5. Dissemination format - other
The data is available through the dissemination of:
Tables of results Where a methodological description of the statistic is available also;
A methodological description of the eggs for human consumption statistics is published in the Statistic section of the MAPA website. This description includes mention to legal mandates, scopes, variables and definitions, statistical process and dissemination calendar. Please find information at this webiste Lana miel huevos consumo humano.
10.7. Quality management - documentation
Not applicable (for the 2023 metadata collection).
11.1. Quality assurance
Not applicable (for the 2023 metadata collection)
11.2. Quality management - assessment
Not applicable (for the 2023 metadata collection)
12.1. Relevance - User Needs
The main institutional user is the Unit in charge of the elaboration of the Economic Acounts for Agriculture. Its needs are in line with the requirements of the Regulation (EC) No. 138/2004.
Among other users of the statistical operation, it is worth highlighting Public Bodies, both from the Central Administration and from the Autonomous Communities, which use the results for their management function of the agricultural sector; Organizations of the European Union; economic agents in the agricultural sector, such as companies and producer associations; researchers and the academic and scientific world; media and individuals.
Each of these users has different needs depending on the pourpose and usefulness of the information they require, but in any case, and in general, this statistical operation contributes to the knowledge of the production eggs for consumption.
12.1.1. Data collected for national purposes
The main institutional user is the Unit in charge of the elaboration of the Economic Acounts for Agriculture. Its needs are in line with the requirements of the Regulation (EC) No. 138/2004.
12.2. Relevance - User Satisfaction
Not applicable (for the 2023 metadata collection).
12.3. Completeness
The information requested in the ESS Agreement for the statistics derived from information reported by egg producers are collected and delivered to Eurostat.
13.1. Accuracy - overall
The production of eggs for human consumption is estimated by the Number of layers measured in units, through the Annual Yield measured in eggs/hen, with the Production of eggs in thousands of units.
The necessary controls are carried out to guarantee the quality of the data. However, the final data depends on the quality of the administrative record on which it is based.
In general, the reliability and quality of the statistic on eggs for human consumption is supported by its census nature (the set of farms registered in the Directories of the Autonomous Communities), by the quality of the administrative record on which it is based and by its scope of application ( the national territory except the Autonomous Cities of Ceuta and Melilla).
13.2. Sampling error
Not applicable (for the 2023 metadata collection)
13.3. Non-sampling error
Not applicable (for the 2023 metadata collection)
14.1. Timeliness
Not applicable (for the 2023 metadata collection)
14.2. Punctuality
Not applicable (for the 2023 metadata collection)
15.1. Comparability - geographical
The availability of a common methodology, design and process of collection, filtering, editing and elevation throughout its geographical scope, guarantees the comparability of the results between the different regions (Provinces and Autonomous Communities).
15.2. Comparability - over time
The data are comparable in time since 2001.
15.3. Coherence - cross domain
This statistic is comparable with other statistics of the agricultural sector, for example, the Agrarian Census and the Farm Structure Survey, carried out by the National Statistics Institute (INE).
It is also comparable with the Economic Accounts of Agriculture.
15.4. Coherence - internal
Not applicable (for the 2023 metadata collection)
Not applicable (for the 2023 metadata collection).
17.1. Data revision - policy
Not applicable (for the 2023 metadata collection).
17.2. Data revision - practice
Not applicable (for the 2023 metadata collection).
18.1. Source data
Administrtive register.
18.1.1. Description of data collection process
REGA (General Registry of Livestock Farms), which includes the basic data of more than 900,000 farms located in Spain, relating to more than one hundred and fifty different species of production animals. The Real Decreto 479/2004, of March 26, establishes and regulates the Registry.
The statistical population is defined from the information contained in the updated administrative records: the Livestock Farms Registries that are managed by the Departments of the different Autonomous Communities with competence in the matter, and which serve as the basis for the preparation of the REGA and the Individual Animal Identification Registry (RIIA).
Royal Decree (Real Decreto) 479/2004, of March 26, establishes and regulates the REGA, as well as the data necessary to carry out the inscriptions in it and the characterization of the identification code of each exploitation, in accordance with the provisions of article 38.1 of Law 8/2003, of April 24, on animal health.
Article 4 of Royal Decree 479/2004 refers to the Obligations of exploitation owners to provide the competent authorities, before starting their activity, at least the data necessary for registration that appear in Annex IV.
Likewise, the owner of the exploitation must communicate the changes in the data recorded in the registry to the competent authority within the period determined by the latter, which may not exceed one month from when they occur. Data on farm censuses shall be communicated to the competent authority at least once a year. In this regard, the census will be communicated before March 1 of each year, indicating the average census of the previous year or the census established in the specific regulatory provisions of each sector, in the manner determined by the competent authority.
The production of eggs for human consumption is estimated from the declared hen census in the holding, by the Number of hens, through an Annual Yield measured in eggs/hen.
18.1.2. Model used as a breakdown based on individual information
Not relevant
18.1.3. Method used for the model
The breakdown is based on the declared hen census to the REGA (General Registry of Livestock Farms)
18.2. Frequency of data collection
The frequency of data collection is annual.
18.3. Data collection
Not applicable (for the 2023 metadata collection)
18.4. Data validation
Not applicable (for the 2023 metadata collection)
18.5. Data compilation
18.5.1. Data compilation process - data weighting
The data are obtained from administrative records; Once statistically treated, missing information is imputated and information is checked for inconsistencies.
Once the data has been validated, the tables and reports are prepared for publication.
18.5.2. Data compilation process
Not relevant
18.6. Adjustment
No statistical processes are used for adjustment of the data.
No comments.
The number of laying hens in Spain is determined, depending of the Region, by several ways:
Administrative Records - REGA (General Registry of livestock holdings) - this database includes all poultry farms of the Regions, so the laying hen farms are selected using the specific criteria
Farm Surveys - The experts from the Regions made surveys in holdings with laying hens, producing eggs for consumption. The information obtained through interviews to the responsible of the holding, either in the farm or by telephone, is the number of laying hens of the last year.
In Spain, there are several methods for obtaining the production of eggs for human consumption, depending of the Region:
Model-based estimates (the eggs production of laying hens is obtained from the multiplication of the census of laying hens by an average yield (eggs per hen per year). This average yield varies depending on the type of farming (free range, organic, cage). The yield per hen is obtained by market experts.
Farm Surveys (the experts from the Regions made surveys in holdings with laying hens, producing eggs for consumption. The information obtained through interviews to the responsible of the holding, either in the farm or by telephone, is the: • Annual rate of egg production per hen per year. • Total number of eggs produced in the previous year • Percentage of eggs produced by each class.)
11 June 2021
Laying hens: Fowls of domestic species Gallus gallus.
Holding producing eggs for consumption: a facility rearing laying hens, registered in accordance with Commission Directive 2002/4 / EC (1).
Eggs: shell eggs - unbroken, incubated or cooked - of hens of the Gallus gallus species and suitable for direct human consumption or for the preparation of egg products.
1 - Agricultural holdings with laying hens
The statistical population for the production of eggs for consumption, is the set of laying hen farms that appear in the Directory of Poultry Farms of the registers of the Autonomous Communities of the General Directorates competent in the matter, which will provide information to the REGA, attached to the General Directorate of Livestock of the MAPA.
REGA is the General Registry of Livestock Farms, which includes the basic data of more than 900,000 farms located in Spain, relating to more than one hundred and fifty different species of production animals. The Real Decreto 479/2004, of March 26, establishes andregulates the Registry.
The whole territory, except for the Autonomous Cities of Ceuta and Melilla.
The production of eggs for human consumption is estimated by the Number of layers measured in units, through the Annual Yield measured in eggs/hen, with the Production of eggs in thousands of units.
The necessary controls are carried out to guarantee the quality of the data. However, the final data depends on the quality of the administrative record on which it is based.
In general, the reliability and quality of the statistic on eggs for human consumption is supported by its census nature (the set of farms registered in the Directories of the Autonomous Communities), by the quality of the administrative record on which it is based and by its scope of application ( the national territory except the Autonomous Cities of Ceuta and Melilla).
Administrtive register.
Not applicable (for the 2023 metadata collection).
Not applicable (for the 2023 metadata collection)
The availability of a common methodology, design and process of collection, filtering, editing and elevation throughout its geographical scope, guarantees the comparability of the results between the different regions (Provinces and Autonomous Communities).
