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Vitamin A requirements of alipochromatic ('recessive-white') and coloured canaries (Serinus canaria) during the breeding season.
- Source :
-
The Veterinary record [Vet Rec] 2007 Jan 06; Vol. 160 (1), pp. 14-9. - Publication Year :
- 2007
-
Abstract
- Six pairs of alipochromatic ('recessive-white') canaries (Serinus canaria) and six pairs of coloured canaries were kept through a complete breeding cycle while being fed a diet providing 12,000 iu vitamin A/kg. The eggs of three pairs (one recessive-white and two coloured) were all unfertilised and there were only 23 hatchlings (14 recessive-white and nine coloured), of which 14 (10 recessive-white and four coloured) were alive after the first moult. However, there was no clinical, biochemical or pathological evidence that the recessive-white canaries were suffering from vitamin A deficiency or that the coloured canaries were suffering from vitamin A toxicity, suggesting that the diet met the vitamin A requirements of both groups.
- Subjects :
- Animals
Bird Diseases epidemiology
Bird Diseases mortality
Breeding
Canaries growth & development
Female
Male
Reproduction physiology
Survival Rate
Vitamin A toxicity
Vitamin A Deficiency epidemiology
Vitamin A Deficiency mortality
Vitamin A Deficiency veterinary
Vitamins toxicity
Canaries physiology
Nutritional Requirements
Oviposition physiology
Vitamin A administration & dosage
Vitamins administration & dosage
Subjects
Details
- Language :
- English
- ISSN :
- 0042-4900
- Volume :
- 160
- Issue :
- 1
- Database :
- MEDLINE
- Journal :
- The Veterinary record
- Publication Type :
- Academic Journal
- Accession number :
- 17209090
- Full Text :
- https://doi.org/10.1136/vr.160.1.14