The weaner as currency[What the experts say ]Carles Casanovas The pig’s reproductive cycle lasts for 20 weeks, with weaning at 21 days: 16,5 gestation period + 3 lactating + average time on heat. Supposing that the sows wean 10 piglets, we can then come to the following conclusion: it takes two weeks to produce a piglet. |
ACMC: Still potential to boost sow output[Company news]Rapid progress in sow productivity in commercial pig herds is still possible, according to Yorkshire-based pig-breeding company ACMC. |
Effects of increasing feeding level during late gestation on sow and litter performance[Nutrimail]Increase feeding level during late gestation does not improve sow or gilt performance |
Dimension and design of the farrowing unit[What the experts say ]Bjarne K. Pedersen The Danish pig producers’ research organisation has tested a number of different designs. They recommend pen dimensions of 2.7x1.8 m to accommodate modern prolific breeds. |
What is the best age for weaning piglets? (2/3)[What the experts say ]José Barceló (†) Normally the productivity of the sow is valued for the number of litters/sow/year multiplied by the number of weaned piglets per litter. |
Boar's reproductive pathology[What the experts say ]Raúl Sánchez Sánchez Boars in an Artificial Insemination Centre are breeding a great number of sows. Using conventional insemination techniques, one single boar can be breeding from 350 to 800 times per year. |
Alimentation of replacement sows[Nutrition]Josep Gasa Jaume Coma The entrance of gilts to the production system and the strategies followed up to the first lactation is of vital importance for the economic cost-effectiveness of sows since these strategies have a direct effect on the subsequent productivity and longevity |
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