The productivity and resilience of the indigenous chickens in the tropical environments: improvement and future perspectives

Kpomasse, Cocou Claude; Kouame, Y.A.E.; N’nanle, Oumbortime; Houndonougbo, Frédéric; Tona, K.; Oke, O.E.

doi:10.1080/09712119.2023.2228374

Cited by 16 publications

(7 citation statements)

References 141 publications

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“…Depending on the environment, rearing systems and accessories present in poultry housing facilities might have a role to play in heat stress management. It has been highlighted that failure of the temperature regulation and ventilation controls in environmentally controlled housing could result in heat stress (1,66). In open-sided buildings or non-environmentally controlled housing, poor stocking density and poor ventilation can compound heat stress problems (67-69).…”

Section: Mitigation Strategy To Reduce Heat Stress In Poultrymentioning

confidence: 99%

“…Every animal production system experiences stress because of the numerous stressors on the farms. Stress is a biologically adaptive response to re-establish homeostasis (1). Heat stress is a variant of environmental stress caused by an increase in environmental temperature (and humidity) beyond the thermotolerance of an animal.…”

Section: Introductionmentioning

confidence: 99%

“…The adaptive response of poultry to heat stress conditions is intricate and complex (1). When heat stress sets in, poultry birds respond physiologically and behaviourally in an attempt to seek homeostasis and restore comfort (6).…”

Section: Introductionmentioning

confidence: 99%

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Alleviating heat stress effects in poultry: updates on methods and mechanisms of actions

Onagbesan,

Uyanga,

Oso

et al. 2023

Front. Vet. Sci.

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Heat stress is a threat that can lead to significant financial losses in the production of poultry in the world’s tropical and arid regions. The degree of heat stress (mild, moderate, severe) experienced by poultry depends mainly on thermal radiation, humidity, the animal’s thermoregulatory ability, metabolic rate, age, intensity, and duration of the heat stress. Contemporary commercial broiler chickens have a rapid metabolism, which makes them produce higher heat and be prone to heat stress. The negative effect of heat stress on poultry birds’ physiology, health, production, welfare, and behaviors are reviewed in detail in this work. The appropriate mitigation strategies for heat stress in poultry are equally explored in this review. Interestingly, each of these strategies finds its applicability at different stages of a poultry’s lifecycle. For instance, gene mapping prior to breeding and genetic selection during breeding are promising tools for developing heat-resistant breeds. Thermal conditioning during embryonic development or early life enhances the ability of birds to tolerate heat during their adult life. Nutritional management such as dietary manipulations, nighttime feeding, and wet feeding often, applied with timely and effective correction of environmental conditions have been proven to ameliorate the effect of heat stress in chicks and adult birds. As long as the climatic crises persist, heat stress may continue to require considerable attention; thus, it is imperative to explore the current happenings and pay attention to the future trajectory of heat stress effects on poultry production.

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Section: Mitigation Strategy To Reduce Heat Stress In Poultrymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Alleviating heat stress effects in poultry: updates on methods and mechanisms of actions

Onagbesan,

Uyanga,

Oso

et al. 2023

Front. Vet. Sci.

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“…In the tropics, the search for thermotolerant chicken breeds has been ongoing for a while. Native chickens, which make up around 80% of the entire rural chickens, have been shown to be a reliable food security source ( Kpomasse et al, 2023 ; Iyasere et al, 2022 ). It is well known that native Nigerian chickens serve two purposes in the country’s rural and periurban areas: they are raised for meat and eggs ( Obanla et al, 2012 ; Oke et al, 2013 , 2014 , 2015 ).…”

Section: Introductionmentioning

confidence: 99%

“…It is well known that native Nigerian chickens serve two purposes in the country’s rural and periurban areas: they are raised for meat and eggs ( Obanla et al, 2012 ; Oke et al, 2013 , 2014 , 2015 ). Under a traditional family scavenging management system, they are found in great numbers scattered over many agroecological categories ( Kpomasse et al, 2023 ). The recently registered FUNAAB alpha chickens are one of the locally generated breeds in Nigeria that were specifically bred for tropical environments ( Adebambo, 2015 ).…”

Section: Introductionmentioning

confidence: 99%

Breeder age and hatching egg storage duration: effects on post-hatch performance of FUNAAB- α broiler chickens

Oke,

Alo,

Oni

et al. 2024

Translational Animal Science

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This trial was designed to evaluate the influence of hatching egg storage length and broiler breeder hens’ age on posthatch growth performance and physiological responses of FUNAAB-α chickens. Five hundred fertile eggs from each of 60 and 32 weeks old FUNAAB-α breeder hens were collected and assigned to 5 storage durations (0, 3, 7, 11 and 15 days). The hatching eggs were incubated using the conventional protocol. Data were collected on the growth performance and physiological responses. A 2x5 factorial design was used for the experiment. The results revealed that there was a decline in the final body weight in chickens from eggs of 15 and 11 days storage compared to the chickens from 7, 3 and 0 egg storage days. Chickens of 32 weeks old breeder hens had higher (p<0.05) mean corpuscular volume, white blood cell, heterophil and pack cell volume values compared to 60 weeks old breeder hens. Hatchlings from 60 weeks old breeders had a higher liver percentage (3.0% YFBW) than those from 32 weeks old breeders (2.8% YFBW). It was concluded that an extended storage duration of 15 days adversely affected the carcass traits and growth performance of chickens from egg storage above seven days.

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Climate change and broiler production

Oke,

Akosile,

Uyanga

et al. 2024

Veterinary Medicine & Sci

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Climate change has emerged as a significant occurrence that adversely affects broiler production, especially in tropical climates. Broiler chickens, bred for rapid growth and high meat production, rely heavily on optimal environmental conditions to achieve their genetic potential. However, climate change disrupts these conditions and poses numerous challenges for broiler production. One of the primary impacts of climate change on broiler production is the decreased ability of birds to attain their genetic potential for faster growth. Broilers are bred to possess specific genetic traits that enable them to grow rapidly and efficiently convert feed into meat. However, in tropical climates affected by climate change, the consequent rise in daily temperatures, increased humidity and altered precipitation patterns create an unfavourable environment for broilers. These conditions impede their growth and development, preventing them from reaching their maximum genetic influence, which is crucial for achieving desirable production outcomes. Furthermore, climate change exacerbates the existing challenges faced by broiler production systems. Higher feed costs impact the industry's economic viability and limit the availability of quality nutrition for the birds, further hampering their growth potential. In addition to feed scarcity, climate change also predisposes broiler chickens to thermal stress. This review collates existing information on climate change and its impact on broiler production, including nutrition, immune function, health and disease susceptibility. It also summarizes the challenges of broiler production under hot and humid climate conditions with different approaches to ameliorating the effects of harsh climatic conditions in poultry.

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The productivity and resilience of the indigenous chickens in the tropical environments: improvement and future perspectives

Cited by 16 publications

References 141 publications

Alleviating heat stress effects in poultry: updates on methods and mechanisms of actions

Alleviating heat stress effects in poultry: updates on methods and mechanisms of actions

Breeder age and hatching egg storage duration: effects on post-hatch performance of FUNAAB- α broiler chickens

Climate change and broiler production

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