Effects of Functional Oils on Coccidiosis and Apparent Metabolizable Energy in Broiler Chickens

Abstract

The objective of the present study was to investigate the effects of a mixture of functional oils (Essential, Oligo Basics Agroind. Ltda) on performance response of chickens challenged with coccidiosis and the determination of apparent metabolizable energy (AME), nitrogen-corrected apparent metabolizable energy (AMEn), the coefficients of protein and ether extract digestibility and intestinal morphology of broilers fed with diets containing Essential. In Exp. 1, a completely randomized design (CRD) was used, with one control diet without Essential inclusion with coccidiosis (Eimeria acervulina, Eimeria maxima, and Eimeria tenella) challenged birds and two different inclusion rates of Essential (1.5 kg/ton and 2 kg/ton) with coccidiosis-challenged and non-challenged birds for each inclusion rate, using 10 replicates and 50 birds per experimental unit. After 7 d of coccidiosis challenge, the livability was approximately 10% lower (p<0.05) for the control group. Intestinal lesion scores were lower (p<0.05) in the anterior intestine and the cecum for the chickens supplemented. Feed efficiency and growth rate were improved in birds supplemented with Essential (p<0.05) before the coccidiosis challenge and during the first 7 d post infection. In Exp. 2, a CRD was used, with one control diet without Essential inclusion and one diet with inclusion of Essential (1.5 kg/ton), using nine replications and 33 chicks per pen. The diets with Essential yielded approximately 4% higher AME (p = 0.003) and AMEn (p = 0.001). Essential supplementation increased villus height in the jejunum on d 14 (p<0.05). Villus height:crypt depth ratio for the supplemented birds was larger (p<0.05) in the jejunum on d 7, larger (p<0.05) in the jejunum and ileum on d 14. In conclusion, these functional oils improved the energy utilization and the livability and decreased lesions caused by coccidiosis in supplemented birds.

Citrus Peel Oils Supplementation in Broiler Diet: Effects on Performance, Jejunum Microflora and Jejunum Morphology

“…Similar to our study, Hassan et al (2011) found that the addition of 0.5 and 1% of essential oils to broilers diets, increased villus height significantly. Also, Murakami et al (2014) reported that adding essential oil to the broiler´s ration increased villus height in the jejunum on day 14. In contrast, it was reported that supplementing essential oils to the broiler´s diets had no effect on villus height in the jejunum statistically, but it increased villus height numerically (Jamroz et al, 2006).…”

“…However, a few studies have been conducted on supplementing diets with plant extracts to investigate the action mode of active plant oils, morphologically and histologically in animals (Hassan et al, 2011;Murakami et al, 2014). Therefore, the present study was carried out to determine the effects of citrus peel oils (bergamot, orange, lemon) in different levels on performance, jejunum morphology and intestinal microflora in broilers.…”

Functional oils affect blood and bacteriological parameters in sheep

“…Functional oils are defined as oils that have an action beyond their nutritional value (Murakami et al, 2014) and are not derived from essences or spices (Bess et al, 2012), but from oil plants such as castor seeds (Ricinus communis) and cashew nutshell (Anacardium occidentale; Silva et al, 2014).…”

Avian Coccidiosis, New Strategies of Treatment

“…Ltda, www.oligobasics.com.br) containing ricinoleic acid and alkylphenolic oil of the shell of the cashew nut (Anacardium occidentale) showed an improvement in the energy utilization and the livability and decreased lesion caused by coccidiosis (E. acervulina, E.maxima, and E. tenella) in birds treated with Essential [31]. The usage of these plants varies from organic extracts (ethanol, petroleum ether and acetone extracts), ground powder, essential oils, and decoction.…”

“…Functional oils comprise those oils that have an action beyond nutritional value [31]. Recently, a variety of essential have been used at different stages of life cycle of Eimeria with good results Figure 6.…”