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Sweden
Livestock surveys
The described surveys on the number of pigs and cattle are valid for December 1999. The survey on the number of sheep is valid for June 1999 and of goats for June 1992. For the years 2000 and 2001 there are some changes in the sample sizes compared to 1999. Concerning the number of pigs and cattle there was a sample of 10 000 in June 2000 and of 6 000 in December 2000. In June 2001 the survey was based on a sample of 15 100 farms. In this survey, besides the cattle and the pigs, information was also collected concerning sheep, fowl and chicken. In August 2000 a total survey was carried out on the number of pigs, sheep, fowl and chicken.
Surveys on the number of pigs
In Sweden two surveys on the number of pigs are carried out per year, namely in June and December. All the surveys are integrated livestock surveys.
All the surveys are sample surveys. The average sample error is 1% (0,4 - 1,5 % during last years). The last full survey on the number of pigs was carried out in June 1999 within the Farm Structure Census.
The sample design is a stratified random sampling. Sampling frame is the Farm Register. Stratification is based on size groups of cattle, dairy cows, pigs and regions. The total sample size is at least 6.000 holdings. By the sample surveys 2.800 holdings are recorded which is 47 % of all holdings breeding pigs. 75% of the total pig population is recorded. The survey is not designed in the same way every time, for instance the sample size varies.
The survey is not carried out in selected regions.
Data are obtained by written inquiries. The average response rate is 94%. The "no response" is treated with the simple raising method.
Statistics Sweden is responsible for carrying out the surveys.
Sweden does not plan to use administrative sources instead of pig surveys in the medium term (one to five years).
Surveys on the number of cattle
In Sweden two surveys on the number of cattle are carried out per year, namely in June and December. All the surveys are integrated livestock surveys.
All the surveys are sample surveys. The average sample error is 1% (0,4 - 1,4 % during last years). The last full survey on the number of cattle was carried out in June 1999 within the Farm Structure Census.
The sample design is a stratified random sampling. Sampling frame is the Farm Register. Stratification is based on size groups of cattle, dairy cows, cattle and regions. The total sample size is at least 6.000 holdings. By the sample surveys 4.200 holdings are recorded which is 12 % of all holdings breeding cattle. 25% of the total cattle population is recorded. The survey is not designed in the same way every time, for instance the sample size varies.
The survey is not carried out in selected regions.
Data are obtained by written inquiries. The average response rate is 94%. The "no response" is treated with the simple raising method.
Statistics Sweden is responsible for carrying out the surveys.
Sweden plans to use administrative sources instead of cattle surveys in the medium term (one to five years). The data source available for this is the computerised cattle database.
Surveys on the number of sheep and goats
In Sweden one survey on the number of sheep is carried out per year, namely in June. Surveys on number of goats are carried out every 10 years. Sheep and goats populations are recorded jointly. All the surveys are integrated livestock surveys.
All the surveys are sample surveys. The average sample error is 3% (2 - 4%) for the total number of sheep. The last full survey on the number of sheeps was carried out in June 1999 and of goats in June 1992, both within the Farm Structure Census.
Stratification is based on type of holding and labour requirement.
The survey is not carried out in selected regions.
Data are obtained by written inquiries. The average response rate is 95%. The "no response" is treated with the simple raising method.
Statistics Sweden is responsible for carrying out the surveys.
Sweden does not plan to use administrative sources instead of statistical surveys on sheep and goats in the medium term (one to five years).
Statistics on slaughterings
Monthly slaughtering data are available in Sweden on the number and slaughterweight for pigs overall, calves, heifers, cows, bulls, bullocks, sheep overall, lambs and goats overall.
Availability of monthly data on slaughterings
Weight
All slaughterhouses are obliged to send information to the Swedish Board of Agriculture about every slaughtered animal within 45 days from the date of slaughter. This information is sent through an IT-medium.
Data on external trade in live animals
Foreign trade is reported by the trading enterprises to Statistics Sweden according to the statistical survey Intrastat. Enterprises with an export or an import of at least 1,500.000 SEK (about 162 000 €) are obliged to report. The foreign trade figures are available in three months after the reference month.
Production forecasts (gross indigenous production)
Method for pigs: From the pig surveys the number of pigs in different classes are considered. The number of piglets, young pigs and pigs for fattening are distributed as slaughterings during the three quarters following the pig survey. The number of piglets from the mated sows are estimated and distributed as slaughterings during the third and following quarters.
Method for cattle: A certain number of the adult cattle according to the cattle survey is expected to be slaughtered during the forthcoming periods. The slaughterings are distributed in a statistical way on different periods and kinds of animals according to the actual distribution during the last periods.
Poultry statistics
Within a TAPAS project finished in June 2001, yearly statistics for the years 1990-2000, as well as quarterly statistics for the year 2000, have been collected, concerning both number and slaughtering weight of the following poultry respectively: Broiler, laying hen, broiler mother, turkey, duck, goose and ostrich. Quarterly statistics will also from 2001 and onwards be collected for these poultry categories. No forecasts of meat production are made.