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- Title
The effect of dietary energy and protein levels on body weight, size, and microflora of ostrich chicks.
- Authors
Nikravesh-Masouleh, Tahereh; Seidavi, Alireza; Kawka, Magdalena; Dadashbeiki, Mohammad
- Abstract
The aim of this study was to evaluate the effect of different dietary energy and protein supplements on performance, weekly body sizes or body frame size, and microbiota of ostrich chicks during 2–9 weeks of age. Two metabolic energy levels of 2400 and 2600 kcal/kg live weight and three protein levels of 20, 22, and 24% were used. A total of 36 ostrich chickens (<italic>Struthio camelus</italic>) of the blue and black African breed were used. Body weight, 12 body measurements (i.e., circumference of the head, neck, breast, abdomen, thigh, body height, length of tail, list the other 5 here) and excretion of microbial population (<italic>Escherichia coli</italic>, <italic>Coliforms bacteria</italic>, and <italic>Lactobacillus bacteria</italic>) were measured. Mean body weight in each week of the experiment was generally the lowest when chicks were offered 2600 kcal/kg dietary energy and 24% protein. Of the 12 body measurements, the breast, abdomen, and thigh circumference and also body length were greater at the lower energy (2400 kcal/kg) and higher protein (24%) levels. Total <italic>Aerobic</italic> bacteria excretion was generally lower in response to the diet containing the higher level of energy. We conclude that ostrich chickens during 2–9 weeks of age can grow on diets that contain lower energy levels.
- Subjects
DIETARY supplements; BODY weight; PROTEIN content of food; DIET; MICROBIAL population genetics
- Publication
Tropical Animal Health & Production, 2018, Vol 50, Issue 3, p635
- ISSN
0049-4747
- Publication type
Article
- DOI
10.1007/s11250-017-1480-8