1) Jerseys need 9-19% less feed to produce the same amount of milk solids as Holstein Friesians
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New Zealand review
https://www.jersey.org.nz/wp-content/uploads/2018/05/Sustainability-full-document-002.pdf

Edwards 2017
Making a success of full-season once-a-day milking. DairyNZ Technical Series, December 2017. 36:11-13

Kristensen et al. 2017
Feeding, production and efficiency of HolsteinFriesian, Jersey and mixed breed lactating dairy cows in commercial Danish herds. Science Direct 15-12-2017

Prendiville et al. 2009
An evaluation of production efficiencies among lactating Holstein-Friesian, Jersey and Jersey cross Holstein-Friesian cows at pasture. J Dairy Sci. (2009) 92:6176-6185

Sneddon et al. 2011
Efficiency, cheese yield and carbon emissions of Holstein-Friesian, Jersey and crossbred cows: an overview
 
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2) Compared to HF, Jerseys produce 20-30% more milk solids per kg of body weight
 
Sneddon et al. 2011
Efficiency, cheese yield and carbon emissions of Holstein-Friesian, Jersey and crossbred cows: an overview
 
Edwards 2017
Making a success of full-season once-a-day milking. DairyNZ Technical Series, December 2017. 36:11-13
 
Kristensen et al. 2017
Feeding, production and efficiency of HolsteinFriesian, Jersey and mixed breed lactating dairy cows in commercial Danish herds. Science Direct 15-12-2017
​
Prendiville et al. 2009
An evaluation of production efficiencies among lactating Holstein-Friesian, Jersey and Jersey cross Holstein-Friesian cows at pasture. J Dairy Sci. (2009) 92:6176-6185
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3) Maintenance requirements are 8% lower compared to HF
 
Capper & Cady 2012
A comparison of the environmental impact of Jersey compared with Holstein milk for cheese production. J Dairy Sci. (2012) 
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4) Compared to HF, Jerseys produce 33% less wet faeces and 28% less urine.
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Knowlton et al. 2010
Manure nutrient excretion by Jerseys and Holstein cows.
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5) From the same amount of feed, Jerseys extract more nutrients and so they need less feed for producing solids.
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Knowlton et al. 2010
Manure nutrient excretion by Jerseys and Holstein cows.
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New Zealand review
https://www.jersey.org.nz/wp-content/uploads/2018/05/Sustainability-full-document-002.pdf
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Kristensen et al. 2017
Feeding, production and efficiency of HolsteinFriesian, Jersey and mixed breed lactating dairy cows in commercial Danish herds. Science Direct 15-12-2017
​​​
Prendiville et al. 2009
An evaluation of production efficiencies among lactating Holstein-Friesian, Jersey and Jersey cross Holstein-Friesian cows at pasture. J Dairy Sci. (2009) 92:6176-6185
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Sneddon et al. 2011
Efficiency, cheese yield and carbon emissions of Holstein-Friesian, Jersey and crossbred cows: an overview
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6) Jerseys have the same eating and rumination time, while having a lower feed intake.
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Aikman et al. 2008
Diet Digestibility, Rate of Passage, and Eating and Rumination Behavior of Jersey and Holstein Cows.
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7) Maintenance requirements are 8% lower compared to HF
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Capper & Cady 2012
A comparison of the environmental impact of Jersey compared with Holstein milk for cheese production. J Dairy Sci. (2012) 
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8) Jerseys have a higher NDF digestibility, despite a higher gut passage rate.
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Aikman et al. 2008
Diet Digestibility, Rate of Passage, and Eating and Rumination Behavior of Jersey and Holstein Cows.
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9) Jerseys live longer than Holstein
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Pinedo et al. 2014
Dynamics of culling for Jersey, Holstein, and Jersey × Holstein crossbred cows in large multibreed dairy herds.
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The Dairy Site. 2009
Jersey to Rank First in US for Productive Life.
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Jersey NZ
The Jersey breed is integral to the continued success of New Zealand’s dairy industry.
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10) Jerseys have less clinical mastitis than Holstein
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Jury et al. 2010
​Genetic analysis of incidence of clinical mastitis in NZ dairy cattle. Proc NZ Soc. An. Prod. 2010
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Lacy-Hulbert et al. 2005
The effects of once a day milking on mastitis and somatic cell count. Proc. NZ Soc. An. Prod. (2005) 
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McDougall et al. 1995
Clinical and bacteriological response to treatment of clinical mastitis with one of three intramammary antibiotics. NZ Vet J. (2007). 
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11 ) Jerseys have better hoof health
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Chawala et al. 2013
Genetic and crossbreeding parameters for incidence of recorded clinical lameness in NZ dairy cattle. NZ Vet. J. (2013) 
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Lethbridge et al. 2008
​Comparison of lameness and hoof horn puncture resistance of NZ Friesian and JerseyxFriesian cattle. Proc NZ Soc. An. Prod. (2008) 
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12) Jerseys have better calving ease
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Jersey Canada 2025
https://jerseycanada.com/reproductive-leader/#:~:text=Jerseys%20have%201/3%20fewer,annual%20veterinary%20and%20pharmaceutical%20expenses.
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Jersey NZ
Animal welfare and longevity
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13) Jerseys are more heat tolerant than Holstein
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Bryant 2006
Quantifying genetic variation in environmental sensitivity of NZ dairy cattle to apply in the development of a dairy cattle simulation model for pastoral systems. Doctor of Philosophy Thesis 2006
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Smith et al. 2013
Short communication: comparison of the effects of heat stress on milk and component yields and somatic cell score in Holstein and Jersey cows. J Dairy Sci. (2013) 
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14) The carbon footprint (hoofprint :) ) of Jerseys to produce cheese is 18% lower than Holstein.
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Sneddon et al. 2011
Efficiency, cheese yield and carbon emissions of Holstein-Friesian, Jersey and crossbred cows: an overview
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Capper & Cady 2012
A comparison of the environmental impact of Jersey compared with Holstein milk for cheese production. J Dairy Sci. (2012) 
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15) Jerseys have lower emissions compared to Holstein when using Life Cycle Analysis (LCA)​​
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Capper & Cady 2012
A comparison of the environmental impact of Jersey compared with Holstein milk for cheese production. J Dairy Sci. (2012) 
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