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Evaluation of fibrous by-product feeds for the pregnant sow using antibiotic suppression to measure degree of fermentation

Published online by Cambridge University Press:  22 November 2017

S A Edwards ,
B A Njotu  and
V R Fowler
S A Edwards
Affiliation:
The North of Scotland College of Agriculture581 King Street ABERDEEN AB9 1UD
B A Njotu
Affiliation:
The North of Scotland College of Agriculture581 King Street ABERDEEN AB9 1UD
V R Fowler
Affiliation:
The North of Scotland College of Agriculture581 King Street ABERDEEN AB9 1UD
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Extract

The use of fibrous by products in diets for pregnant sows offers possible economic and welfare advantages. To correctly determine their nutritional value it is essential to know the relative roles of enzymatic digestion and fermentation. Techniques developed previously for this purpose have involved the use of surgically modified animals, making them costly and limiting their widespread use. This experiment was designed to investigate the possibility of using short term administration of bacteriostatic levels of antibiotics for this purpose.

Twenty Landrace x Large White pregnant sows were individually housed in unbedded stalls and allocated to one of five dietary treatments with differing levels of the two fibrous by-products - distillers dark grains (DDG) or dried, unmolassed sugarbeet pulp (SBP)

  • 1)Basal diet (BAS) 850g/kg barley, 120g/kg soyabean meal,30g/kg vitamins and minerals

  • 2)70% diet BAS, 30% distillers dark grains (30DDG)

  • 3)40%diet BAS, 60% distillers dark grains (60DDG)

  • 4)70%diet BAS, 30% unmolassed sugar beet pulp (30SBP)

  • 5)40% diet BAS, 60% unmolassed sugarbeet pulp (60SBP)

Type
Pig and Poultry Production
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1989 , March 1989 , pp. 85
Copyright
Copyright © British Society of Animal Production 1989

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