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After 2008, there was some pressure for Jersey dairymen to attempt to increase the milk production per cow. This led to possibly securing options from outside the island. [12] From 2020 onward there was a further challenge with COVID-19 while seeking the "maximum productivity and business efficiencies". [13]
Known for producing the most milk of any cattle. Illawarra Shorthorn: Australia [1] 7.5 2 Irish Moiled: Ireland: 7.5 2 Rare breed and can be dual purpose, meat and milk. Jamaica Hope: Jamaica: Jersey: Jersey [1] 19 5 4.60 [2] 3.59 [2] Has a very high content of butterfat in the milk. Lakenvelder (Dutch Belted) Netherlands: 18 5 Meuse-Rhine ...
By 1925, the United States had 1.5-2 million dairy cows, each producing an average of 4200 lb of milk per year. By 2007, there were 9.1 million dairy cows with an average milk production of over 20,000 pounds per year and eight pounds per gallon. [1]
Channel Island milk has a higher fat (5.4 per cent) and protein (3.9 per cent) content than whole milk produced by Holstein Friesian cattle (3.9 per cent and 3.3 per cent respectively), [1] and also contains higher levels of calcium, vitamin A and vitamin D than other types of milk. [3]
One notable Biltmore Farms cow, Financial Madame Bess, was recognized for producing 21,000 lb (9,500 kg). of milk in one ten-month period, which was a national record at the time. Biltmore Signal Bess Jane was also recognized, earning the title of Grand Champion Cow in both 1951 and 1952 at the National Jersey Shows.
Initially production performance was measured by milk testing at shows during the 1860s, with 24-hour butter tests starting in 1893. These were replaced in 1912 by a system of recording the weight of milk yielded by the individual cattle, which was the forerunner of the system of milk recording carried out to this day.
The average for a single dairy cow in the US in 2007 was 9,164 kg (20,204 lb) per year, excluding milk consumed by her calves, [6] whereas the same average value for a single cow in Israel was reported in the Philippine press to be 12,240 kg (26,980 lb) in 2009. [27] High production cows are more difficult to breed at a two-year interval.
In China, daily milk production per cow is already lower than the average by between 0.7 and 4 kg (1.5 and 8.8 lb) in July (the hottest month of the year), and by 2070, it may decline by up to 50% (or 7.2 kg (16 lb)) due to climate change. [81]