Effect of monensin sodium on lactational performance of autumn- and spring-calving cows

Monensin sodium is widely used to manipulate ruminal fermentation (Bergen & Bates, 1984), with the aim of increasing energy supply to the animal. Monensin has been most widely used in diets of beef cattle and young growing dairy cattle, particularly in confinement management systems, where the i...

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Bibliographic Details
Published in:Journal of dairy research 2002-05, Vol.69 (2), p.317-323
Main Authors: MAAS, JAMES A., McCUTCHEON, STUART N., WILSON, GAVIN F., LYNCH, GERARD A., HUNT, MURRAY E., CROMPTON, LES A.
Format: Article
Language:English
Subjects:
Animal productions
Animal, plant and microbial ecology
Animals
Beef cattle
Biological and medical sciences
Cattle - physiology
Dairy cattle
Delayed-Action Preparations
Fats - analysis
Female
Fermentation
Fundamental and applied biological sciences. Psychology
Grazing
Ionophores - administration & dosage
Ionophores - pharmacology
Lactation - drug effects
Microbial ecology
Milk - chemistry
Milk - secretion
milk production
Milk Proteins - analysis
Monensin
Monensin - administration & dosage
Monensin - pharmacology
Normal microflora of man and animals. Rumen
Pasture
season
Seasons
Sodium
Terrestrial animal productions
Time Factors
Vertebrates
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Summary:Monensin sodium is widely used to manipulate ruminal fermentation (Bergen & Bates, 1984), with the aim of increasing energy supply to the animal. Monensin has been most widely used in diets of beef cattle and young growing dairy cattle, particularly in confinement management systems, where the ionophore can be mixed directly into the ration. Accurate daily dosing of grazing ruminants with small quantities of rumen modifiers, such as ionophores, proved particularly labour-intensive and expensive until the development of the controlled-release capsule (CRC; Laby et al. 1984). Subsequently a commercially available CRC containing monensin sodium was developed (Elanco Animal Health, Cambridge, NZ) facilitating its use in grazing animals. It has also been tested as a method of reducing the incidence of bloat in lactating dairy cows grazing pastures containing legumes.
ISSN:0022-0299
1469-7629
DOI:10.1017/S0022029902005484