Nutrient evaluation and ruminal degradation of dry matter and protein from amarula (Sclerocarya birrea), macadamia (integrifolia) and baobab (Adansonia digitata L.) oilcakes as dietary supplements for ruminants

Inadequate availability of feed ingredients significantly contributes to reduced animal production. Nutritional evaluation of feed ingredients for potential use in feed ration is key. Triplicate samples of oil extraction by-products viz.: amarula ( Sclerocarya birrea ), macadamia ( integrifolia ) an...

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Bibliographic Details
Published in:Tropical animal health and production 2019-09, Vol.51 (7), p.1981-1988
Main Authors: Nkosi, B. D., Phenya, J. S. M., Malebana, I. M. M., Muya, M. C., Motiang, M. D.
Format: Article
Language:English
Subjects:
Adansonia digitata
Amino acids
Animal production
Biomedical and Life Sciences
Byproducts
Calcium
Cattle
Degradability
Degradation
Diet
Dietary supplements
Dry matter
Drying oils
Evaluation
Feed additives
Ingredients
Life Sciences
Oils & fats
Phosphorus
Potassium
Proteins
Regular Articles
Rumen
Sclerocarya birrea
Veterinary Medicine/Veterinary Science
Zoology
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Summary:Inadequate availability of feed ingredients significantly contributes to reduced animal production. Nutritional evaluation of feed ingredients for potential use in feed ration is key. Triplicate samples of oil extraction by-products viz.: amarula ( Sclerocarya birrea ), macadamia ( integrifolia ) and baobab ( Adansonia digitata L. ) oilcakes were analysed for proximate, mineral and amino acids content. To determine the in situ rumen degradability of dry matter (DM) and crude protein (CP) from the oilcakes, polyester bags were used to incubate triplicate subsamples of each oilcake in the ventral rumen of each of the three cannulated mid-lactating Holstein cows for 2, 4, 8, 16, 24, or 48 h. Amarula oilcake (AOC) had higher ( P  
ISSN:0049-4747
1573-7438
DOI:10.1007/s11250-019-01896-0