Goats function as a living asset in Malawi and many other agrarian subsistence cultures worldwide. In Malawi, goats are the most common smallholder livestock kept, after chickens, and act as an investment which can rapidly be exchanged for cash when needed (Freeman, 2008; Kaumbata et al., 2020). Goat sales are interlinked with agrarian lifestyles, as evidenced with the majority of sales occurring after harvest and during festival periods (see Fig. 4c). While goat ownership is closely tied to livelihoods, the perspectives and incomes of butchers is less well studied. We report that 100% of butchers surveyed believe their trade to be profitable, as apparently supported by our estimate of a median income 2.48x above the World Bank low-income poverty line of $1.9/day (World Bank, 2020). However, weeks with the lowest sales (2 goats per week) at median profit result in income below the World Bank low-income poverty line (Table 1). In addition, weeks with reduced profit or lower quartile sales result in income below the World Bank poverty line for lower-middle income countries (World Bank, 2020). The effect of sales being at their lowest throughout the dry season (see Fig. 4c), is that butchers may go months with little income. This is no doubt exacerbated by the ongoing Covid-19 pandemic. It will be interesting to question the saving habits of butchers in this system, and whether they specialise in butchery or rely on alternative sources of income, including goat smallholdings as a source of capital, during lean periods.
It is clear that the health and wellbeing of goats is critical to the livelihoods of both the farmer and the butcher alike, but against a background of highly restricted access to veterinary services. Hence, losses of goats through forced slaughter, for instance when a goat has been injured or is suffering from illness, can result in loss of a breeding buck, a pregnant doe, or an animal which has not reached a profitable weight. While butchers claim that health is a top priority (see Fig. 3), it seems unlikely that they are either aware of, or willing to admit to health and injury issues associated with slaughtered goats. For instance, 17% of goats slaughtered in the survey had dog bites, but butchers report that injuries are rare or never seen. This suggests that while dog bites are not considered to have an impact on health or injury, the fact that goats are frequently sold by farmers after they have received such bites, could be an indication of an attempt at limiting the risk of rabies which causes significant livestock losses and human deaths in Malawi (Hampson et al., 2015), and can be transmitted from dogs to goats and on to people. In another recent study, high levels of bacterial contamination were found in similar market stands in Lilongwe, suggesting that butchers need improved education and resources relating to health of both humans and animals (Tanganyika et al., 2017).
Information loss between veterinary service, farmer, and butcher can negatively impact the livelihoods of all parties, since butchers may witness causes of illness during slaughter but not relay this information back to veterinary personnel or the farmer. Witnessing a high level of IFBs for instance could trigger broader efforts to reduce pollution, which in turn can prevent loss of goats due to illness or lack of productivity. As butchers are in a prime position to detect and identify IFBs, we sought to quantify the prevalence of IFBs of plastic and metal (hardware), which were selected due to their high prevalence in other studies and their likely detrimental impact on survival of the animals involved (Igbokwe et al., 2003; Negash et al., 2015; Mekuanint et al., 2017; Makungu and Nonga, 2018). It is thought that the presence of refuse coupled with pica from nutritional deficiency drive IFB ingestion. This is evidenced in the increased prevalence of IFBs in urban dwelling goats of Nigeria, which have lower body condition scores compared to rural goats (Remi-Adewunmi et al., 2004). Additionally, the desert-climate goats in the arid climates of Sudan and Ethiopia have high levels of IFBs and these make up ~50% of goat surgical interventions (Hayder et al., 2006; Ghurashi et al., 2009). In consequence, despite rural Malawi being in a semi-tropical climate, poor nutritional status of goats, resulting from seasonal lack of forage and parasitisation with gastrointestinal nematodes, are likely to drive scavenging and coincidental ingestion of IFBs when they happen to be present Fig. 2). The impact of plastics, hardware, and other IFBs is not fully understood in rural Malawi, but it is known that IFBs have detrimental effects leading to impaction and haemorrhaging of the bowel (Bakhiet, 2008; Mekuanint et al., 2017), and traumatic reticulo-pericarditis, and it is highly likely that goats containing sharp objects such as listed in Fig. 2c could be at higher risk of haemorrhage and other adverse consequences. If farmers and local veterinary personnel could be made aware of the presence of IFBs and any correlations with pathology following slaughter, the scope and impact of IFBs can be properly addressed. This feedback is critical since slaughter may be a result of poor performance caused by IFBs.
IFBs are known to occur when ruminants graze in areas such as refuse dumps, urban areas, or other areas where pollution is coupled with poor grazing conditions (Igbokwe et al., 2003; Remi-Adewunmi et al., 2004; Ghurashi et al., 2009), but the extent thereof in semi-tropical rural areas found in the study area are not well documented. Furthermore, published studies focus on slaughterhouses, which accommodate larger scale livestock farming industries (Bakhiet, 2008; Makungu and Nonga, 2018). In Malawi smallholder-owned goats will often be slaughtered locally by a butcher in the nearest village or by the side of the road. In these areas, no part of the animal is wasted, with the entire alimentary canal cleaned thoroughly and prepared for consumption when the butcher is present. Because of this, butchers in rural Malawi will encounter IFBs if they are present during slaughter and will need to remove such objects to ensure safe human consumption of the resulting meat.
IFBs are correlated to lower weight, poor body condition, and anaemia (Igbokwe et al., 2003; Remi-Adewunmi et al., 2004; Sheferaw et al., 2014; Negash et al., 2015). Such conditions mirror infections with gastrointestinal nematodes and other helminth parasites which can be detected through poor body condition, anaemia, and other patho-physiological indicators (Bath and van Wyk, 2009). In areas where IFBs are prevalent and detrimental to goat survival, inclusion of IFB based checks may be critical to determining the cause of poor performance. This is particularly critical when identifying resilience to helminths in local goat breeds, as IFBs can give the appearance of susceptibility to helminth burden.
Preventing IFB diseases will require educational campaigns, reduction in refuse pollution, and affordable diagnostic solutions. IFB removal has been successfully performed and comprised 49% of surgical cases in Sudanese goats from 1998-2002 (Hayder et al., 2006; Ghurashi et al., 2009). Such interventions are far too invasive and costly for smallholder farmers in Malawi given refuse pollution is a widespread issue. As such, other means are needed for diagnosis of severe IFB cases in smallholder goats in Malawi.
In addition to health, the ethical sourcing of goats for slaughter is required to ensure livelihood of farmers. Roughly 20% of Malawian livestock owners have experienced theft, with goats the second most frequently stolen livestock after chickens (Sidebottom, 2013). Reduction of theft will require participation of butchers, as well as a tracing system, but the lack of importance given to goat ownership, or the distance brought will limit such efforts in Malawi (see Fig. 3). Butchers do typically source goats locally but 100% of respondents are male and acquire goats from other males, suggesting that cultural factors are at play regarding goat sales (Fig. S2). Since many smallholders are female (Chintsanya et al. 2004) this leaves a gap where theft-based sales can occur. However, it may be that the ‘head of household’ is in charge of selling goats for slaughter. Programs have been successfully implemented in Malawi, such as Chikwawa Livestock Association use of ownership certificates (Freeman, 2008). Similar programs in the Dedza district may be effective, but require participation from butchers, which will require a change in attitudes relating to ownership.
Ultimately, systemic interventions are needed to ensure goat safety and control of ownership. A sustainable and incentivised approach to control refuse pollution in Malawi is desperately needed as refuse undoubtedly has a negative impact on many other livestock and other aspects of rural life and wellbeing, including human health. There are calls for elimination of single use plastic in Malawi (Turpie et al., 2019) and other IFB research heeds a similar message to invest in better waste management systems (Makungu and Nonga, 2018). Further study of butcher perspectives, the reasons for goat slaughter including theft, and the impact of IFBs in livestock is needed to ensure stability of livelihoods in smallholder economies.