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  • Title: Improvement of piglet survival rate in relation to farrowing systems and conditions.
    Author: Aumaitre A, Le Dividich J.
    Journal: Ann Rech Vet; 1984; 15(2):173-9. PubMed ID: 6486688.
    Abstract:
    Two experiments were carried out in the same farrowing house with the aim of comparing the efficiency of two types of floors and in order to estimate the effect of bedding material on the performance of newborn piglets. In addition, the productivity data of our sow herd as well as those of the national herd, were analysed in order to study the effect of the farrowing system and piglet maturity at birth on the survival rate of the newborn. The main results clearly show the detrimental effect on piglet survival of using slatted floors at farrowing. Furthermore the mode of sow tethering during parturition directly affects the piglets losses between birth and weaning, i.e. 2.03 piglets/litter for tethered sows, 2.17 for caged sows, 2.30 piglets when using farrowing rails. Use of a bedding material has a positive influence on the survival rate: 83.1% for straw, 78.5% for shredded paper versus 68.5% in the case of an insulated concrete floor. Rearing of newborn piglets in a cold environment leads to a drop in the rectal temperature, a poor body carbohydrate utilization and a decrease in colostrum intake. This results in a poor immunity, a low survival rate and a growth rate depression. Search for optimal environmental conditions for the newborn piglet is more important than for the sow. An adequate management of farrowing houses is recommended involving tethering of the sows, extra heating of the pens when the piglets are born and during their first 3 weeks of life.
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