Evaluation of growth performance and haematological response of broiler chicks to raw and boiled &lt;i&gt;Garcinia kola&lt;/i&gt; seed diet

Ibekwe, HA; Eteng, MU; Meremikwu, V.N.

doi:10.4314/nvj.v31i2.68954

Cited by 1 publication

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“…Ebenebe et al [51] reported that as the dietary inclusion levels of G. kola increased from 2.5% to 7.5%, the weight gain of the rabbits was significantly depressed. Higher levels of GKSM had been previously reported to have growth-depressing effects on rabbits [31,52] and broiler birds [30]. The growth-depressing effects of higher GKSM may be due to the presence of tannins and oxalate.…”

Section: Growth Performance Indicesmentioning

confidence: 84%

“…These anti-nutrient factors (ANFs) reduce the bioavailability of minerals, such as calcium, which animals use. Higher tannins also bind to available proteins and make them either indigestible or unpalatable to animals [30], reducing the growth response. Interestingly, GKSM used in this study had a considerably low tannin content of 0.02% (Table -2).…”

Section: Growth Performance Indicesmentioning

confidence: 99%

“…On the other hand, hematological and biochemical parameters are important diagnostic tools that are used to assess the physiological status of animals [26]. There are existing reports on feeding GKS meal (GKSM) to rats [19], fish [27,28], broilers [29,30], and layers [31]. However, there are a few studies to ascertain the dietary effects of GKSM on growth, hematology, and serum biochemical parameters of weaned rabbits.…”

Section: Introductionmentioning

confidence: 99%

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Dietary effects of Garcinia kola seed meal on growth performance, hematology and serum biochemical parameters of weaned rabbits

et al. 2021

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Background and Aim: Garcinia kola seed (GKS) is used to prevent and cure a number of gastric-related ailments. GKS contain a copious amount of polyphenols and can be utilized as a natural growth promoter in the nutrition of weaned rabbits. This study aimed to determine the dietary effects of GKS meal (GKSM) on the growth performance, hematology and serum biochemical parameters of weaned rabbits. Materials and Methods: GKS were dried and ground into powder. Thirty-two 8-week-old crossbred rabbits with an average weight of 614 g were randomly divided into four dietary groups. The diets were designated as follows: Control (corn-soybean based diet with 0% GKSM) and the GKSM-supplemented diets with 1.5% GKSM, 3% GKSM, and 4.5% GKSM. On the 56th day of the feeding trial, blood was collected from the marginal ear vein of all rabbits and transferred into two separate labeled tubes. The first set of blood was used to determine the hematological indices. The second set of blood was transferred into plain bottles and allowed to coagulate. The coagulated blood was subjected to standard methods of serum separation, and the sera were harvested and used to evaluate serum biochemical parameters. Results: Although the average final body weight was highest in rabbits fed with 1.5% GKSM; this value was similar to rabbits fed with 0% and 4.5% GKSM. The average daily weight gain was highest in rabbits fed with 1.5% GKSM, while the feed conversion ratio was improved in the 0% and 1.5% GKSM groups. The dietary treatments also had a significant effect on the red blood cell count (RBC) and hemoglobin (Hb) concentration, while other blood parameters did not differ significantly (p>0.05). Higher inclusion levels (3% and 4.5%) of GKSM led to a significant increase in RBC and Hb values (p<0.05). The total protein increased at all levels of GKSM inclusion (p<0.05). Bilirubin, sodium, and potassium levels significantly decreased at 4.5% GKSM inclusion (p<0.05). Urea levels were lowered at 1.5% and 4.5% GKSM inclusion, while cholesterol levels were decreased at 3% and 4.5% dietary levels. Conclusion: From the results of the present study, the supplementation of up to 4.5% GKSM revealed no harmful effect on the hematological and serum biochemical parameters of weaned rabbits, while their growth performance improved at a 1.5% inclusion level of GKSM.

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