ORIGINAL PAPER
The effect of age of introducing whole sorghum grain on performance of broiler chickens
1
University of South Africa, Department of Agriculture and Animal Health, Christiaan de Wet Rd & Pioneer Ave,1724, Rooderpoort, South Africa
2
University of KwaZulu Natal, 31 Golf Rd, Scottsville, 3201, Pietermaritzburg, South Africa
3
AB Vista, Woodstock Ct, SN8 4AN, Marlborough, United Kingdom
4
Fiji National University, Kings Rd, 7222 Nasinu, Fiji
Publication date: 2020-06-30
Corresponding author
M. Mabelebele
University of South Africa, Department of Agriculture and Animal Health, Christiaan de Wet Rd & Pioneer Ave,1724, Rooderpoort, South Africa
University of South Africa, Department of Agriculture and Animal Health, Christiaan de Wet Rd & Pioneer Ave,1724, Rooderpoort, South Africa
J. Anim. Feed Sci. 2020;29(2):151-157
KEYWORDS
TOPICS
ABSTRACT
The aim of this study was to assess the influence of age of whole
sorghum grain introduction on productivity of male broiler chickens. In total,
324 one-day-old broiler chickens were assigned in a completely randomized
design to 3 treatments (age of introduction of whole sorghum grain:
0, 11 and 25 days) with 9 replicates in each. Animals were offered 50% pre-pelleted
whole sorghum at different growing ages. Body weight and feed intake
were measured on a pen basis at 10, 25 and 35 day of age, and feed conversion
ratio (FCR) was calculated. Birds introduced to whole sorghum grain feeding from
day 0 and from 25 day of age, at 35 day of age were heavier and had better FCR
(P < 0.05) than those to which whole grain was introduced from day 11. The
relative visceral organ weights, meat parts yield, meat colour and pH were
not influenced (P > 0.05) by the age of introduction of whole sorghum. The
digestibility of gross energy, crude protein and starch were also not affected
(P < 0.05). The age of introduction influenced certain performance parameters
in broiler chickens. So, early feeding whole grain (at post-hatch) marginally
improved body weight and FCR in broiler chickens.
FUNDING
The authors would like to acknowledge and
appreciate the funding from National Research
Foundation (NRF- GUN no: 97095), South Africa
and AB Vista Marlborough, UK for making this work
possible.
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