Animal Production

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Animal Production

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Author: search.filters.author.Kolo, P. S.Subject: search.filters.subject.Growth

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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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    Effect of sex, wattle, beard, hair type, and extra teat on growth-related traits of extensively managed goat (Capra aegagrus) population of Niger State, Nigeria.
    (Equity Journal of Science and Technology, 2016) Kolo, P. S.; Egena, S. S. A.; Tsado, D. N.; Adisa-Shehu, M
    Astudy that evaluated the effect of sex, wattle, beard, hair type and extra teat on growth traits of goats extensively managed in the three Senatorial zones ( i.e zones A, B and C) of Niger state was carried out. The growth traits evaluated include body weight, body length, height-at-withers, chest depth, chest girth, head length, head width, rump length, rump width, shin circumference, fore leg length and hind leg length.Male goats had better (p<0.05) measurement in all parameters considered in zone B of the state while the females were better (p<0.05) in all parameters measured in zones A and C except for shin circumference in which the males were better in zone A. Goats without wattle showed superiority (p<0.05) in most of the parameters measured in zone C. This was not so for goats in zones A and B as there was no clear demarcation between goats with or without wattle. Goats with beard were superior (p<0.05) in most of the parameters measured in zones B and C. Coarse hair type had significant (p<0.05) effect on body weight and all the other body measurements except for height-at-withers which was not significantly (p>0.05)affected. Soft hair had significant (p<0.05) effect on body weight, and all the body measurements except for hind leg length which showed no significant (p>0.05) difference. Extra teat had no significant (p>0.05) effect on body weight, body length height-at-withers, chest depth, chest girth, head length, rump width, shin circumference and hind leg length but significantly (p<0.05) influenced head width, rump length and fore leg length. Absence of extra teat had significant (p<0.05) effect on all the parameters measured except for head length which showed no significant (p>0.05) difference. At the end of the study, it was observed that sex and major genes had significant effect on most of the parameters measured. It is recommended based on the result emanating from the study that farmers be encouraged to rear goats with beard, those without extra teat and wattle since they were better in most of the parameters measured.
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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.