School of Food Science and Agricultural Technology (SFSAT)

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School of Food Science and Agricultural Technology (SFSAT)

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Start date: 2020Subject: search.filters.subject.Broilers

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    Response of broiler birds fed diets containing varying levels of dried watermelon rind at finisher phase
    (Nigerian Journal Animal. Science, 2021) Otu, B. O.; Banjo, A. A.; Kolo, P. S.; Ibrahim, A. D.
    A feeding trial was conducted to investigate growth performance and nutrient digestibility of experimental diets formulated with dried watermelon rind to replace wheat offal, fed to broiler chickens at finisher phase. One hundred and fifty day-old “ROSS 360” broiler chicks were randomly allotted to five dietary treatments of thirty (30) birds per treatment. Each treatment was replicated three times with ten birds per replicate in a Completely Randomized Design (CRD) arrangement. Five experimental diets containing dried watermelon rind at varying levels of replacement were formulated and designated as T1, T2, T3, T4 and T5 with replacement levels of 0 %, 25 %, 50 %, 75 % and 100 % respectively. Initial body weight, final body weight, body weight gain, feed itake, feed conversion ration and apeparent digestibility of crude proten, fibre, ash and nitrogen free extract were measured. There were no significant (P>0.05) differences among the treatment groups for all the growth parameters except for feed conversion ratio. Final weight ranged from 1223.33 to 1305.19 g; while daily feed intake, daily weight gain and feed conversion ratio ranged from 89.46 to 97.95 g, 35.26 to 38.25 g and 2.35 to 2.78, respectively. The nutrient digestibility indicates significant (p<0.05) difference in crude fibre, ash, ether extract and NFE, while that of crude protein, dry matter and total digestible nutrient were not significantly (P>0.05) different. Crude protein, dry matter and TDN ranges between 67.47 % to 69.15 %, 79.10 % to 80.72 and 74.35 to 78.68 respectively. The study concluded that 25 % replacement of wheat offal with dried watermelon rind can be effective for optimal growth performance and complete replacement for fibre and energy requirement in producing broiler chickens without compromising performance or any deleterious effect.
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    Carcass yield and haematological indices of broiler chickens fed diets containing varying levels of dried watermelon rind (DWMR)
    (Nigerian Journal Animal Science, 2021) Banjo, A. A.; Otu, B. O.; Kolo, P. S.; Kolo, H. N.; Omolola, B.; Sajoh, M
    150 day old unsex broiler chicks were used for the experiment to determine the effect of replacement of wheat offal with dried watermelon rind on the carcass yield and haematological indices of broiler birds. The chicks were randomly distributed into five treatments with each treatment having three replicates with ten chicks per replicate. Carcass yield and haematological indices were conducted in a completely randomized design comprising five dietary treatments such that T1 was served as the control, T2 were fed 25% DWMR replacement, T3 had 50 % DWMR, T4 had 75 % DWMR and T5 were given 100 % DWMR. At the end of the eight weeks, three birds from each dietary group were sacrificed to estimate the dressing yield and relative weight of organs (liver, heart and gizzard) while blood was collected for haematology and serum biochemistry analysis. Data collected were subjected to analysis of variance (ANOVA). Replacement of wheat offal with DWMR significantly (p<0.05) improved the thigh, back, heart and lungs characteristics whereas it did not significantly (p>0.05) influenced the live weight, slaughter weight, eviscerated weight and other primal cut parts. RBC and MCHC were significantly (p<0.05) affected. It can be concluded from this study that DWMR can be included in broiler chickens diet with no negative effect on the carcass characteristics and serum indices
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    Growth Performance and nutrient digestibility of broiler chickens fed diets containing varying inclusion levels of dried watermelon rind at the starter phase.
    (Nigerian Journal of Animal Production, 2021) Otu, B. O.; Banjo, A. A.; Kolo, P. S.; Balogun, A. M.; Dabban, A. I.
    Watermelon rind is one of the several unwanted by-products generated by restaurants, fruit juice producers and food industries in Nigeria that can be gotten rid of by using it as an energy source in broiler production. The growth performance and apparent nutrient digestibility of broilers fed diets containing varying inclusion levels of dried watermelon rind (DWMR) in replacement for wheat offal as source of energy and fibre at starter phase was evaluated. The dried watermelon rind was prepared by sun-drying fresh watermelon for three days and oven-dried at 50 ºC for 2 hours. The birds were randomly allocated to five (5) treatments (T – T ), each treatment had three replicates with ten (10) birds per replicate. The 1 5birds were fed varied levels of DWMR at 0 %, 25 %, 50 %, 75 % and 100 % in replacement of wheat offal to obtain five diets. Feed and water were provided ad-libitum throughout the 28 days study duration. Body weight, Body weight gain, Feed intake, Feed conversion ratio and apparent nutrient digestibility were measured. The results obtained on the growth performance shows no significant (P>0.05) difference of the growth parameters across treatments. However, there was significant (P<0.05) difference in the digestibility of Crude fibre, Ether extract, Ash, Nitrogen free extract and Total digestible nutrient across treatments. There was no obvious variation in dry matter and crude protein digestibility. The result of the total digestible nutrient was significantly (P<0.05) higher in T (92.90 %) than 2 the T (84.99 %) which was the control diet. The crude fibre digestibility recorded in T (63.48 1 2%) and T (61.09 %) is higher than T (43.00 %), the ether extract digestibility of T (96.42 %) 1 5 1is higher than the other groups with the lowest in T (95.25 %). There was depress ash 4 digestibility in T (68.30 %), lower than the other groups with the highest in T (82.59 %). The 5 1study therefore concluded that farmers can replace wheat offal with 25 % watermelon rind in broiler starter diet without any deleterious effect in the growth performance and nutrient digestibility.