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The Effect on Late Pregnancy Feed Allowance on the Composition of the Sow’s Colostrum and Milk
Inverkan av utfodning under sen dräktighet på sammansättningen av kolostrum och mjölk hos sugga
Acta Veterinaria Scandinavica volume 31, pages 109–115 (1990)
Abstract
The composition of colostrum and milk of sows fed either 3.4 kg or 1.0 kg daily of a conventional sow diet during the last 14 days of gestation was investigated. The fat content of colostrum of the very restrictedly fed sows was higher compared with the standard fed sows. There was a significant decrease in the crude protein and immunoglobulin contents of colostrum during the first 4 h post farrowing. The milk composition 14 days after farrowing was not affected by the late pregnancy feeding level. The composition of milk was significantly correlated with the 3 week litter weight. The colostrum IgG content was not correlated to the mortality of piglets during the first week post farrowing. The content of crude protein and immunoglobulins in the milk was not correlated with the frequency of post weaning diarrhoea.
Sammanfattning
Kolostrum och mjölk från suggor utfodrade med 3.4 eller 1.0 kg per dag de sista 14 dräktighetsdagarna analyserades. De mycket restriktivt utfodrade djuren hade lägre fetthalt i kolostrum jämfört med kontrollsuggorna. De första 4 timmarna efter grisning sjönk kolostrums innehåll av råprotein och immunoglobuliner mycket. Mjölkens sammansättning 14 dagar efter grisning påverkades inte av fodergivan under högdräktighet. Grisarnas 3-veckorsvikt var signifikant korrelerad med mjölkens sammansättning. Innehållet av IgG i kolostrum var inte korrelerad med smågrisdödligheten den första levnadsveckan. Mjölkens innehåll av råprotein och immunoglobuliner påverkade inte frekvensen avvänjningsdiarré.
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Göransson, L. The Effect on Late Pregnancy Feed Allowance on the Composition of the Sow’s Colostrum and Milk. Acta Vet Scand 31, 109–115 (1990). https://doi.org/10.1186/BF03547583
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DOI: https://doi.org/10.1186/BF03547583