Identifying Positive Deviant Farms Using Pareto-Optimality Ranking Technique to Assess Productivity and Livelihood Benefits in Smallholder Dairy Farming under Contrasting Stressful Environments in Tanzania
Abstract
:1. Introduction
2. Materials and Methods
2.1. The Study Area
2.2. Research Design
2.3. Data Collection and Processing
2.3.1. Temperature–Humidity Index
2.3.2. Animal Performance Indicator Variables
- (i)
- Total energy balance (change in total energy balance (ΔTEB) per cow in the farm) is an indicator of nutritional stress and was calculated using an equation adapted from Tedeschi et al. [17]:
- (ii)
- Disease-incidence density at farm level is an indicator of the rapidity with which new cases of disease develop overtime. In this study, disease-incidence density is an indicator of tick-borne diseases and helminths infections in the entire herd and is computed as the number of new cases that occurred in a population over a period of 42 months, adapting the formula of Thrusfield [16]:
- (iii)
- The daily milk yield (MY) in litres per cow in the farm was calculated from monthly test-day lactation records obtained from ADGG database collected over a period of 42 months for 1551 cows in 794 farms.
- (iv)
- Age at first calving (AFC) for female animals in each herd was calculated as the number of days from birth to first calving over a period of 42 months. Data on AFC were available for 1625 heifers in 794 farms.
- (v)
- The calving interval (CI) for the cows within each herd was calculated as the interval in days between two consecutive normal calvings. Data on calving interval were available from 1348 records of 1348 cows in 794 farms.
2.3.3. Estimating Livelihood Benefits
2.4. Identification of Positive Deviants Using Pareto-Optimality Ranking Technique
2.5. Statistical Analyses
2.5.1. Determining Temperature-Humidity Index (THI)
2.5.2. Determining Productivity and Yield Gap
2.5.3. Estimating Livelihood Benefits
3. Results
3.1. Temperature-Humidity Index (THI) Estimate
3.2. Positive Deviants and Typical Farms Identified
3.3. Attained Yield Gap, Productivity and Livelihood Benefits Differentiating Positive Deviant Farms from Typical Farms
4. Discussion
4.1. Temperature-Humidity Index (THI) Estimate
4.2. Identifying Positive Deviants in a Sample Population
4.3. Attainable Productivity and Livelihood Benefits in Positive Deviant Farms
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
- Moll, H.A.; Staal, S.J.; Ibrahim, M. Smallholder Dairy Production and Markets: A Comparison of Production Systems in Zambia, Kenya and Sri Lanka. Agric. Syst. 2007, 94, 593–603. [Google Scholar] [CrossRef]
- Bebe, B.; Udo, H.; Rowlands, G.; Thorpe, W. Smallholder Dairy Systems in the Kenya Highlands: Cattle Population Dynamics under Increasing Intensification. Livest. Prod. Sci. 2003, 82, 211–221. [Google Scholar] [CrossRef]
- Mwanga, G.; Mujibi, F.D.N.; Yonah, Z.O.; Chagunda, M.G.G. Multi-Country Investigation of Factors Influencing Breeding Decisions by Smallholder Dairy Farmers in Sub-Saharan Africa. Trop. Anim. Health Prod. 2019, 51, 395–409. [Google Scholar] [CrossRef]
- Soren, N.M. Nutritional Manipulations to Optimize Productivity During Environmental Stresses in Livestock. In Environmental Stress and Amelioration in Livestock Production; Sejian, V., Naqvi, S.M.K., Ezeji, T., Lakritz, J., Lal, R., Eds.; Springer: Berlin/Heidelberg, Germany, 2012; pp. 181–218. [Google Scholar] [CrossRef]
- Gustafson, C.R.; VanWormer, E.; Kazwala, R.; Makweta, A.; Paul, G.; Smith, W.; Mazet, J.A. Educating Pastoralists and Extension Officers on Diverse Livestock Diseases in a Changing Environment in Tanzania. Pastoralism 2015, 5, 1. [Google Scholar] [CrossRef]
- Mayberry, D.; Ash, A.; Prestwidge, D.; Godde, C.M.; Henderson, B.; Duncan, A.; Blummel, M.; Reddy, Y.R.; Herrero, M. Yield Gap Analyses to Estimate Attainable Bovine Milk Yields and Evaluate Options to Increase Production in Ethiopia and India. Agric. Syst. 2017, 155, 43–51. [Google Scholar] [CrossRef]
- Modernel, P.; Dogliotti, S.; Alvarez, S.; Corbeels, M.; Picasso, V.; Tittonell, P.; Rossing, W. Identification of Beef Production Farms in the Pampas and Campos Area That Stand out in Economic and Environmental Performance. Ecol. Indic. 2018, 89, 755–770. [Google Scholar] [CrossRef]
- Adelhart Toorop, R.; Ceccarelli, V.; Bijarniya, D.; Jat, M.L.; Jat, R.K.; Lopez-Ridaura, S.; Groot, J.C. Using a Positive Deviance Approach to Inform Farming Systems Redesign: A Case Study from Bihar, India. Agric. Syst. 2020, 185, 102942. [Google Scholar] [CrossRef]
- Steinke, J.; Mgimiloko, M.G.; Graef, F.; Hammond, J.; van Wijk, M.T.; van Etten, J. Prioritizing Options for Multi-Objective Agricultural Development through the Positive Deviance Approach. PLoS ONE 2019, 14, e0212926. [Google Scholar] [CrossRef]
- Musafiri, C.M.; Macharia, J.M.; Ng’etich, O.K.; Kiboi, M.N.; Okeyo, J.; Shisanya, C.A.; Okwuosa, E.A.; Mugendi, D.N.; Ngetich, F.K. Farming Systems’ Typologies Analysis to Inform Agricultural Greenhouse Gas Emissions Potential from Smallholder Rain-Fed Farms in Kenya. Sci. Afr. 2020, 8, e00458. [Google Scholar] [CrossRef]
- van Ittersum, M.K.; Cassman, K.G.; Grassini, P.; Wolf, J.; Tittonell, P.; Hochman, Z. Yield Gap Analysis with Local to Global Relevance—a Review. Field Crops Res. 2013, 143, 4–17. [Google Scholar] [CrossRef]
- Mrode, R.; Ojango, J.; Ekine-Dzivenu, C.; Aliloo, H.; Gibson, J.; Okeyo, M.A. Genomic Prediction of Crossbred Dairy Cattle in Tanzania: A Route to Productivity Gains in Smallholder Dairy Systems. J. Dairy Sci. 2021, 104, 11779–11789. [Google Scholar] [CrossRef] [PubMed]
- Tempelman, R.J. Invited Review: Assessing Experimental Designs for Research Conducted on Commercial Dairies. J. Dairy Sci. 2009, 92, 1–15. [Google Scholar] [CrossRef] [PubMed]
- Dikmen, S.; Hansen, P. Is the Temperature-Humidity Index the Best Indicator of Heat Stress in Lactating Dairy Cows in a Subtropical Environment? J. Dairy Sci. 2009, 92, 109–116. [Google Scholar] [CrossRef] [PubMed]
- Zimbelman, R.B.; Rhoads, R.P.; Rhoads, M.L.; Duff, G.C.; Baumguard, L.H.; Collier, R.J. A Re-Evaluation of the Impact of Temperature Humidity Index (THI) and Black Globe Temperature Humidity Index (BGHI) on Milk Production in High Producing Dairy Cows. In Proceedings of the Southwest Nutrition Conference, Tempe, AZ, USA, 26–27 February 2009; The University of Arizona: Tucson, AZ, USA, 2009; pp. 158–168. [Google Scholar]
- Thrusfield, M. Veterinary Epidemiology, 3rd ed.; Blackwell Science Ltd.: Oxford, UK, 2007. [Google Scholar]
- Tedeschi, L.O.; Seo, S.; Fox, D.G.; Ruiz, R. Accounting for Energy and Protein Reserve Changes in Predicting Diet-Allowable Milk Production in Cattle. J. Dairy Sci. 2006, 89, 4795–4807. [Google Scholar] [CrossRef]
- Dono, G.; Giraldo, L.; Nazzaro, E. Contribution of the Calving Interval to Dairy Farm Profitability: Results of a Cluster Analysis of FADN Data for a Major Milk Production Area in Southern Italy. Span. J. Agric. Res. 2013, 11, 857. [Google Scholar] [CrossRef]
- Atashi, H.; Asaadi, A.; Hostens, M. Association between Age at First Calving and Lactation Performance, Lactation Curve, Calving Interval, Calf Birth Weight, and Dystocia in Holstein Dairy Cows. PLoS ONE 2021, 16, e0244825. [Google Scholar] [CrossRef]
- Lekasi, J.K.; Tanner, J.C.; Kimani, S.K.; Harris, P.J.C. Manure Management in the Kenya Highlands: Practices and Potential; Henry Doubleday Research Association: Coventry, UK, 2001. [Google Scholar]
- Weiler, V.; Udo, H.M.; Viets, T.; Crane, T.A.; De Boer, I.J. Handling Multi-Functionality of Livestock in a Life Cycle Assessment: The Case of Smallholder Dairying in Kenya. Curr. Opin. Environ. Sustain. 2014, 8, 29–38. [Google Scholar] [CrossRef]
- Alary, V.; Corniaux, C.; Gautier, D. Livestock’s Contribution to Poverty Alleviation: How to Measure It? World Dev. 2011, 39, 1638–1648. [Google Scholar] [CrossRef]
- Bosman, H.G.; Moll, H.A.J.; Udo, H.M.J. Measuring and Interpreting the Benefits of Goat Keeping in Tropical Farm Systems. Agric. Syst. 1997, 53, 349–372. [Google Scholar] [CrossRef]
- Goldberg, D.E. Genetic Algorithms in Search, Optimization and Machine Learning, 1st ed.; Addison-Wesley Longman Publishing Co., Inc.: Boston, MA, USA, 1989. [Google Scholar]
- SAS Institute Inc. SAS/ACCESS® 9.4 Interface to ADABAS: Reference; SAS Institute Inc.: Cary, NC, USA, 2013. [Google Scholar]
- van der Linden, A.; Oosting, S.J.; van de Ven, G.W.J.; Zom, R.; van Ittersum, M.K.; Gerber, P.J.; de Boer, I.J.M. Yield Gap Analysis in Dairy Production Systems Using the Mechanistic Model LiGAPS-Dairy. J. Dairy Sci. 2021, 104, 5689–5704. [Google Scholar] [CrossRef]
- Edwards-Callaway, L.N.; Cramer, M.C.; Cadaret, C.N.; Bigler, E.J.; Engle, T.E.; Wagner, J.J.; Clark, D.L. Impacts of Shade on Cattle Well-Being in the Beef Supply Chain. J. Anim. Sci. 2021, 99, skaa375. [Google Scholar] [CrossRef] [PubMed]
- Wangui, J.C.; Bebe, B.O.; Ondiek, J.O.; Oseni, S.O. Application of the Climate Analogue Concept in Assessing the Probable Physiological and Haematological Responses of Friesian Cattle to Changing and Variable Climate in the Kenyan Highlands. South Afr. J. Anim. Sci. 2018, 48, 572. [Google Scholar] [CrossRef]
- Chawala, A.R.; Banos, G.; Peters, A.; Chagunda, M.G.G. Farmer-Preferred Traits in Smallholder Dairy Farming Systems in Tanzania. Trop. Anim. Health Prod. 2019, 51, 1337–1344. [Google Scholar] [CrossRef] [PubMed]
- Ammer, S.; Lambertz, C.; von Soosten, D.; Zimmer, K.; Meyer, U.; Dänicke, S.; Gauly, M. Impact of Diet Composition and Temperature-Humidity Index on Water and Dry Matter Intake of High-Yielding Dairy Cows. J. Anim. Physiol. Anim. Nutr. 2018, 102, 103–113. [Google Scholar] [CrossRef]
- Bernabucci, U.; Lacetera, N.; Baumgard, L.H.; Rhoads, R.P.; Ronchi, B.; Nardone, A. Metabolic and Hormonal Acclimation to Heat Stress in Domesticated Ruminants. Animal 2010, 4, 1167–1183. [Google Scholar] [CrossRef]
- Rhoads, M.L.; Rhoads, R.P.; VanBaale, M.J.; Collier, R.J.; Sanders, S.R.; Weber, W.J.; Crooker, B.A.; Baumgard, L.H. Effects of Heat Stress and Plane of Nutrition on Lactating Holstein Cows: I. Production, Metabolism, and Aspects of Circulating Somatotropin. J. Dairy Sci. 2009, 92, 1986–1997. [Google Scholar] [CrossRef]
- Nyman, S.; Malm, S.E.; Gustafsson, H.; Berglund, B. A Longitudinal Study of Oestrous Characteristics and Conception in Tie-Stalled and Loose-Housed Swedish Dairy Cows. Acta Agric. Scand. Sect. A Anim. Sci. 2016, 66, 135–144. [Google Scholar] [CrossRef] [Green Version]
- Brouček, J.; Novák, P.; Vokřálová, J.; Šoch, M.; Kišac, P.; Uhrinčať, M. Effect of High Temperature on Milk Production of Cows from Free-Stall Housing with Natural Ventilation. Slovak J. Anim. Sci. 2009, 42, 167–173. [Google Scholar]
Performance Indicator | Population Mean Threshold Point for Positive Deviant Farms | Data |
---|---|---|
Energy balance | ≥0.35 Mcal NEL/d | 1551 cows |
Milk yield | ≥6.32 L/cow/day | 1551 cows |
Age at first calving | ≤1153.28 days | 1625 heifers |
Calving interval | ≤633.68 days | 1348 records of 1118 cows |
Disease-incidence density | ≤12.75 per 100 animal-years at risk | 1912 health treatment events of 849 animals |
Production Environment | THI Units |
---|---|
Low-stress | 68.20 ± 0.39 |
High-stress | 77.29 ± 0.39 |
p-value | <0.0001 |
Factor | Level | EB (Mcal NEL/d) | MY (L/d) | AFC (Months) | CI (Months) | ID |
---|---|---|---|---|---|---|
Production environment | Low-stress | 5.09 ± 3.28 | 8.86 ± 0.15 | 35.60 ± 0.85 | 18.01 ± 0.57 | 6.25 ± 1.70 |
High-stress | 6.65 ± 2.28 | 8.23 ± 0.11 | 36.21 ± 0.91 | 17.04 ± 0.67 | 9.55 ± 1.89 | |
p-value | 0.6956 | 0.0006 | 0.6219 | 0.2707 | 0.1945 | |
Farm (Production environment) | Low-stress | |||||
Positive deviants | 9.53 ± 6.45 | 11.32 ± 0.29 | 32.56 ± 1.65 | 15.66 ± 1.11 | 2.89 ± 3.33 | |
Typical | 0.64 ± 1.19 | 6.40 ± 0.06 | 38.64 ± 0.39 | 20.36 ± 0.28 | 9.60 ± 0.67 | |
p-value | 0.1757 | <0.0001 | 0.0003 | <0.0001 | 0.0489 | |
High-stress | ||||||
Positive deviants | 12.10 ± 4.48 | 9.83 ± 0.21 | 34.04 ± 1.80 | 14.13 ± 1.31 | 2.73 ± 3.73 | |
Typical | 1.19 ± 0.82 | 6.64 ± 0.04 | 38.39 ± 0.34 | 19.95 ± 0.27 | 16.37 ± 0.65 | |
p-value | 0.0166 | <0.0001 | 0.0175 | <0.0001 | 0.0003 |
Factor | Level | Milk Yield (L/cow/d) | Yield Gap | |
---|---|---|---|---|
Milk Yield (L/cow/d) | % Increase | |||
Environment | Low-stress (n = 386) | 8.86 ± 0.15 | 0.63 | 7.65 |
High-stress (n = 498) | 8.23 ± 0.11 | |||
Farm(environment) | Low-stress | |||
Positive deviant (n = 15) | 11.32 ± 0.29 | 4.92 | 76.88 | |
Typical (n = 371) | 6.40 ± 0.06 | |||
High-stress | ||||
Positive deviant (n = 12) | 9.83 ± 0.21 | 3.19 | 48.04 | |
Typical (n = 396) | 6.64 ± 0.04 |
Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. |
© 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Share and Cite
Shija, D.S.; Mwai, O.A.; Migwi, P.K.; Komwihangilo, D.M.; Bebe, B.O. Identifying Positive Deviant Farms Using Pareto-Optimality Ranking Technique to Assess Productivity and Livelihood Benefits in Smallholder Dairy Farming under Contrasting Stressful Environments in Tanzania. World 2022, 3, 639-656. https://0-doi-org.brum.beds.ac.uk/10.3390/world3030035
Shija DS, Mwai OA, Migwi PK, Komwihangilo DM, Bebe BO. Identifying Positive Deviant Farms Using Pareto-Optimality Ranking Technique to Assess Productivity and Livelihood Benefits in Smallholder Dairy Farming under Contrasting Stressful Environments in Tanzania. World. 2022; 3(3):639-656. https://0-doi-org.brum.beds.ac.uk/10.3390/world3030035
Chicago/Turabian StyleShija, Dismas Said, Okeyo A. Mwai, Perminus Karubiu Migwi, Daniel M. Komwihangilo, and Bockline Omedo Bebe. 2022. "Identifying Positive Deviant Farms Using Pareto-Optimality Ranking Technique to Assess Productivity and Livelihood Benefits in Smallholder Dairy Farming under Contrasting Stressful Environments in Tanzania" World 3, no. 3: 639-656. https://0-doi-org.brum.beds.ac.uk/10.3390/world3030035