Roles of candidate genes in the adaptation of goats to heat stress: A review

Abioja, M. O.; Logunleko, M.O.; Majekodunmi, B. C.; Adekunle, E.O.; Shittu, O.O.; Odeyemi, A.J.; Nwosu, E.U.; Oke, O.E.; Iyasere, Oluwaseun S.; Abiona, J. A.; Williams, Taffy J.; James, I. J.; Smith, O. F.; Daramola, J. O.

doi:10.1016/j.smallrumres.2022.106878

Cited by 11 publications

(8 citation statements)

References 85 publications

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“…Thermal stress has been reported to inhibit immune function of ruminants ( Abioja et al, 2023 ). Serum immunoglobulins secreted by B cells are the main effective molecule, which moderately reflects the actual humoral immunity ( Liu et al, 2020 ).…”

Section: Discussionmentioning

confidence: 99%

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Effects of fermented feed of Pennisetum giganteum on growth performance, oxidative stress, immunity and gastrointestinal microflora of Boer goats under thermal stress

Qiu

Zhao

et al. 2023

Front. Microbiol.

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IntroductionThis study was conducted to evaluate the effects of fermented feed of Pennisetum giganteum (P. giganteum) on growth performance, oxidative stress, immunity and gastrointestinal microflora of Boer goats under thermal stress.MethodsThe study was conducted during 45 days using twenty 2 months Boer goats. The goats were randomly allocated into two groups: NPG (n = 10; normal P. giganteum) and FPG (n = 10; fermented feed of P. giganteum), and the ratio of concentrates to roughage was 3:2. Both groups of animals were kept in sheds and exposed to summer thermal stress from 10:00 h to 18:00 h (temperature and humidity index, THI > 78). At the end of the study, the animals were slaughtered and assessed for various characteristics.ResultsThe findings from the study revealed that FPG-feeding significantly increased (p < 0.05) average daily gain (ADG, 48.18 g) and carcass weight (4.38 kg), while decreased (p < 0.01) average daily feed intake (ADFI, 0.74 kg/d; p < 0.01) and the feed:gain (F/G, 15.36) ratio. The CAT, GSH-Px activities and GSH in serum, liver and spleen, and the levels of IgA, IgG, IgM, IL-2, IL-4 and IL-1β in serum of FPG-fed goats were significantly higher (p < 0.05) than those of NPG-feeding goats. Further, we found that FPG feed is rich in nutrients with Lactobacillus (65.83%) and Weissella (17.80%). Results for gastrointestinal microbiota composition showed that FPG-feeding significantly enhanced the abundance of Lactobacillus and unidentified Clostridiales, and reduced Anaerovibrio and Methanobrevibacter. Meanwhile, Spearman’s correlation analysis showed that these microbiotas were closely related to the improvement of oxidative stress and immune indexes of goats.DiscussionThese results demonstrated that FPG-feeding not only reduces oxidative stress and improves ROS clearance to enhance antioxidant defense system, but also improves gastrointestinal microbiota to enhance immune function by overcoming the adverse effects of heat stress, and further improve growth performance of goats.

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Section: Discussionmentioning

confidence: 99%

“…Small ruminants, especially goat kids, play a significant part in the livestock industry ( Abioja et al, 2023 ). Goat kids have the characteristics of fast growth, strong adaptability and plasticity.…”

Section: Introductionmentioning

confidence: 99%

Effects of fermented feed of Pennisetum giganteum on growth performance, oxidative stress, immunity and gastrointestinal microflora of Boer goats under thermal stress

Qiu

Zhao

et al. 2023

Front. Microbiol.

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“…At the same time, increased glucose oxidation [25,37], which accompanies adaptation to heat stress, does not affect the level of lactose in milk. Its level is very stable regardless of temperature.…”

Section: Physiological and Biochemical Mechanisms Of The Adaptation O...mentioning

confidence: 98%

Seasonal Changes in the Antioxidant Activity and Biochemical Parameters of Goat Milk

Voronina

Zaitsev

Savina

et al. 2023

Animals

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Goats are ubiquitous, including in hot and dry regions, while also being very sensitive to climate fluctuations, expressed in temperature differences. This affects their productivity and milk quality. Adaptation to heat requires high energy costs, affects “neurohumoral” regulation and is accompanied by oxidative stress with the increased production of free radicals. The aim was to study the main biochemical parameters of goat milk and its antioxidant activity depending on the season of the year. Sampling was carried out in April, June, August and October. Analysis of the biochemical components and antioxidant activity of goat milk was performed using modern analytical systems. From spring to autumn, the mass fraction of true or crude proteins in goat milk increased by 14.6–63.7% or by 12.3–52.1%, and the mass fraction of caseins also increased by 13.6–60.6%. For vitamin C level and the total amount of water-soluble antioxidants, a pronounced gradual decrease from spring to autumn was observed. In the summer period, a small increase in the carotene level in milk (by 3.0–6.1% compared to April) was established. Vitamin A content increased by 86.5% (June) or by 70.3% (October) compared to April. Thus, the numerous significant changes in the major parameters of goat’s milk depending on the season were revealed.

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“…During stressful conditions, muscular glycogen predominantly generates adenosine triphosphate (ATP) through glycolysis which brings about contractions of muscles (Hargreaves & Spriet, 2020); it is generally understood that lactate may be built up during the process (Rabinowitz & Enerbäck, 2020). Moreover, heat shock proteins (most especially HSP70) are produced under thermal challenges and they help prevent damage or improper folding of proteins and also protect cells from death (Abioja et al, 2023). Heat stress causes a decline in feed consumption and weight gain (Sohail et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

The role of phytogenic feed additives in stress mitigation in broiler chickens

Oni,

Adeleye,

Adebowale

et al. 2023

Animal Physiology Nutrition

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The increase in global temperature and consumers' welfare has increased the use of phytogenic feed additives (PFA) to mitigate the negative effects of heat stress on chickens in recent years. Various bioactive compounds capable of improving the thermotolerance of broiler chickens during exposure to thermal challenges have been identified in different plant species and parts. This review is an overview of the roles of bioactive compounds of different PFA, such as polyphenols and flavonoids, antioxidants, growth‐promoting and immune‐modulating agents, in heat stress management in broiler chickens. Common PFA in use, particularly in tropical environments, are also discussed. An understanding of the roles of the PFA in chickens' thermotolerance could further stimulate interest in their use, thereby improving the birds' productivity and addressing consumers' concerns. This review collates the existing data on the roles of herbs in mitigating heat stress on chickens and highlights future research perspectives.

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Roles of candidate genes in the adaptation of goats to heat stress: A review

Cited by 11 publications

References 85 publications

Effects of fermented feed of Pennisetum giganteum on growth performance, oxidative stress, immunity and gastrointestinal microflora of Boer goats under thermal stress

Effects of fermented feed of Pennisetum giganteum on growth performance, oxidative stress, immunity and gastrointestinal microflora of Boer goats under thermal stress

Seasonal Changes in the Antioxidant Activity and Biochemical Parameters of Goat Milk

The role of phytogenic feed additives in stress mitigation in broiler chickens

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