Documentations

Influence of high temperatures on performance and feeding behaviour of lactating sows

Twenty-four multiparous Large White sows were used to investigate the effects of ambient temperature (T) and dietary protein content (CP) on lactating performance. Sows were allocated to two main thermic…

Actualité internationale : les faits marquants

Fiche n° 001 : Economie de la filière et consommation  Toutes les entreprises françaises présentes dans le secteur porcin sont confrontées à la concurrence internationale, avec les pays de l’Union européenne…

Oilseeds for weaned piglets : rapeseed, sunflower seeds and extruded full fat soybeans

Four isoenergetic and isonitrogenous diets were compared in three successive trials. Each trial used 360 weaned piglets.Each diet had the same oil content (3 %) provided by : 3 %…

Measurement at slaughterhouse of fatty acid composition of the backfat of pig using a portable near-infrared sectrometry

This work aims to develop models to predict the fally acid composition, including n-3 polyunsaturated fatty acid (n-3 PUFA) from a near infrared spectroscopy (NIRS) measurement directly on the slaughter…

The influence of source of energy and energy density on feeding behaviour, performance and carcass characteristics of growing pigs

Individual feeding behaviour and performance of 96 pigs LW x Pi, raised in heterosexual groups, and fed ad libitum were measured from 35 to 105 kg with 4 diets: basal…

Pig feed supply in the Netherlands and Denmark : consequences of the Common Agricultural Policy (CAP) reform

The reform of the Common Agricultural Policy, introduced in 1993/94, has led to a large increase in the use of cereals in animal feeds in the European Union.In the Netherlands,…

Fixed factors in slaughter pig cost price: a comparison in Denmark, France and The Netherlands

This study is the second part of a EU pig cost price comparison carried out in 1995. Structural factors are studied, which could explain differences observed between French, Dutch and…

Typology of farms with cereals and pigs in three French regions

Although pig production is considered as an intensive production which does not need land, it is generally part of farms. Other productions, especially crops, and available acreage have a great…

A typology of activity , organisation and strategies of pig producers comunities in the western regions of France

The pig producers communities were created through the French regulation during the sixties. They are very important, especially in the western regions of France. In Bretagne, the members of these…

The French pig sector thirty years after. From autarky to international competitiveness

France has chosen his way to develop pig production during the years 60, at the early stage of the European Common Market.Due to the lack of efficiency against other European…

Using Pedigree data in order to study genetic variability in the French Large White, Landrace and Pietrain pig breeds

Pedigree data, collected in the French Large White (LW), Landrace (LR) and Pietrain (PI) breeds between 1962 and 1996, were used to study recent changes of the genetic variability in…

Le prix du porc perçu par les producteurs dans l’Union Européenne

Pour chacun des principaux pays producteurs de porcs dans l’UE : mode de commercialisation des porcs, présentation des caractéristiques techniques de la production et modalités de classement utilisées pour le…