Documentations

Effect of the humidity level of ambient air (temperature 28°C) on the growth performance of growing-finishing pigs

An experiment was carried out on 144 cross-bred growing-finishing pigs to determine the effect of ambient air relative humidity levels on growth performance and on animal health. Three relative humidity…

Incidence du taux d'humidité relatice de l'air ambiant sur les performances zootechniques du porc à l'engrais élevé à 28°C

Une expérience portant sur 144 porcs charcutiers de type croisé a été effectuée afin de déterminer l’influence du niveau d’humidité relative de l’air sur les performances et l’état de santé…

Influence of ambient temperature and feed intake level on growth performance of growingfinishing pigs

An experiment using 360 growing-finishing pigs was conducted to determine the effect of ambient temperature (24 vs 17 °C) and the level of feeding on the pig growth performance. Pigs…

Influence of increasing temperature and live weight on the feeding behaviour of group-housed growing pigs

The individual feeding behaviour of group-housed Piétrain x Large White barrows was studied in groups of 3 to 4 pigs over two stages of growth (S1 and S2), corresponding to…

Behaviour of new-born piglets related to thermoregulation

Observations were made using 5 litters of piglets during a period of 24 h after birth. The farrowing pens consisted of sow crates on a slatted floor, cast iron slats…

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…

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 %…

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…