Table 1 Numbers of studies in different categories by type of feed intervention

From: A scoping review of feed interventions and livelihoods of small-scale livestock keepers

Categories Items in category Total Planted forages Agroforestry Crop residues
Publication type Peer-reviewed journal article 51 35 17 4
  Book chapter 1 1 1  
  Conference proceeding 8 6 3 1
  Report 6 6 2 1
  Working paper 7 5 3 1
Year of publication 2016–2019 15 13 3  
  2011–2015 21 15 3 4
  2001–2010 28 18 14 3
  Before 2001 9 7 6  
Agro-ecological zone Mixed systems 53 35 21 6
  Agro-pastoral systems 10 8 3  
  Pastoral systems 3 3   
  Multiple systems 1 1 1 1
  Other 2 2   
  (Blank) 4 4 1  
Region Horn of Africa 12 11 3  
  East Africa 23 16 9 3
  Central Africa 1 1   
  West Africa 7 4 2 1
  Southern Africa 5 1 3 1
  South Asia 6 4 2 2
  Southeast Asia 12 11 3  
  East Asia 2 2 1  
  Latin America 5 3 3  
Type of methods Quantitative 45 31 18 5
  Qualitative 9 6 4  
  Quantitative/qualitative 19 15 4 2
Duration of the experiment >20 years 3 1 2  
  11–20 years 4 2 2 1
  1–5 years 22 17 8 1
  6–10 years 8 7 3  
  NA 36 26 11 5
Total   73 53 26 7
  1. NA, not applicable.