Environmental stressors influencing hormones and systems physiology in cattle

Bova, Toree Lee; Chiavaccini, Ludovica; Cline, G.F.; Hart, C. G.; Matheny, K.; Muth, Ashleigh M; Voelz, B.E.; Kesler, D.J.; Memili, Erdoğan

doi:10.1186/1477-7827-12-58

Cited by 42 publications

(32 citation statements)

References 37 publications

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“…This experiment revealed that control animals had a significantly lower fecal prevalence of the bacteria than animals that had been artificially exposed to light (Edrington et al 2006a). Some of these factors, such as lightning, are related to animal stress (Collier, Dahl and VanBaale 2006;Bova et al 2014;Disanto et al 2014).…”

Section: Environmental Factors Involved In Super-sheddingmentioning

confidence: 99%

Escherichia coli, cattle and the propagation of disease

Stein

Katz

2017

FEMS Microbiology Letters

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Several early models describing host-pathogen interaction have assumed that each individual host has approximately the same likelihood of becoming infected or of infecting others. More recently, a concept that has been increasingly emphasized in many studies is that for many infectious diseases, transmission is not homogeneous but highly skewed at the level of populations. In what became known as the '20/80 rule', about 20% of the hosts in a population were found to contribute to about 80% of the transmission potential. These heterogeneities have been described for the interaction between many microorganisms and their human or animal hosts. Several epidemiological studies have reported transmission heterogeneities for Escherichia coli by cattle, a phenomenon with far-reaching agricultural, medical and public health implications. Focusing on E. coli as a case study, this paper will describe super-spreading and super-shedding by cattle, review the main factors that shape these transmission heterogeneities and examine the interface with human health. Escherichia coli super-shedding and super-spreading by cattle are shaped by microorganism-specific, cattle-specific and environmental factors. Understanding the factors that shape heterogeneities in E. coli dispersion by cattle and the implications for human health represent key components that are critical for targeted infection control initiatives.

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Section: Environmental Factors Involved In Super-sheddingmentioning

confidence: 99%

Escherichia coli, cattle and the propagation of disease

Stein

Katz

2017

FEMS Microbiology Letters

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“…Campanile et al (2010) observed no difference in plasma IGF-1 concentrations on low or high energy diets and the level ranged from 79.1 (low energy) to 95.5 ng/ml (high energy) in buffalo heifers. The IGF-1 levels varied within a wide range in 5 month old buffalo calves (115-470 ng/ml) and IGF-1 level increased with increasing age (months) of the buffalo calves (Bova et al, 2014). Wu et al…”

Section: Plasma Insulin Like Growth Factor-1 (Igf-1)mentioning

confidence: 99%

Influence of Temperature Humidity Index and Dietary Energy on Certain Stress Marker Profile of Murrah Buffalo Heifers

Talukdar¹,

Kundu²,

Mondal³

2017

Int. J. Livest. Res.

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The present study was undertaken to assess the influence of temperature humidity index (THI) T1 and T2 which indicated stress to the animals. In conclusion, increasing ME content could be helpful in alleviating stress during both the seasons and moreover, during summer period, where the animals were at higher stress, increasing ME content will support to climatic resilient livestock production.

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“…The HPA axis is a neuroendocrine system which is highly essential to initiate physiological and endocrine responses to the environmental stress by its relationship with brain serotonergic, noradrenergic and dopaminergic systems (Minton 1994;Sanin et al 2015). The HPA axis responds to the changes in environmental conditions by the peripheral nervous system which are integrated in the central nervous system where paraventricular nucleus of the hypothalamus is stimulated to release corticotropin releasing hormone (CRH) (Carlin et al 2006;Sheba et al 2012;Bova et al 2014). CRH is released into the hypothalamus-hypophyseal portal system to initiate the synthesis and secretion of ACTH, which acts on adrenal cortex to synthesize and secrete cortisol (Steptoe et al 2007;Pavlovic et al 2008).…”

Section: Endocrine Responses Of Cattlementioning

confidence: 99%

Resilient capacity of cattle to environmental challenges – An updated review

Parameshwarappa¹,

Physiology²,

Sejian³

et al. 2019

JABB

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Livestock rearing plays an integral role in enabling small and marginal farmers to ensure their livelihood security, which prevents both the food insecurity and poverty. Among the livestock, large ruminants and in particular cattle plays a significant role from economic perspectives. This review is an attempt to compile information pertaining to thermo-tolerance of cattle to heat stress challenges. Heat stress has serious consequences, which negatively influence cattle production causing severe economic burden to the cattle farmers. The ability of the cattle to perform normal biological functions in various adverse environmental conditions denotes its resilient capacity. The resilience capacity is determined by various traits which govern maintaining their body conformation, respiratory and cutaneous evaporative cooling mechanisms, hair coat, maintenance of metabolic rate, feed efficiency, tolerance to dehydration, production maintenance and reproductive efficiency. Breed differences were established for climate resilience and the superiority of indigenous breeds over exotic animals were established in this aspect. The resilience capacity of indigenous cattle based on changes associated with both phenotypic and genotypic traits were reviewed and several biological markers, which reflect the ability of cattle to survive in different climatic conditions, were highlighted. The significance of refining the existing breed program for imparting climate resilience was projected to identify breeds, which have the ability to survive in different agro-ecological zones.

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Environmental stressors influencing hormones and systems physiology in cattle

Cited by 42 publications

References 37 publications

Escherichia coli, cattle and the propagation of disease

Escherichia coli, cattle and the propagation of disease

Influence of Temperature Humidity Index and Dietary Energy on Certain Stress Marker Profile of Murrah Buffalo Heifers

Resilient capacity of cattle to environmental challenges – An updated review

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