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  2. Dairy cattle - Wikipedia

    en.wikipedia.org/wiki/Dairy_cattle

    Of the 9 million dairy cows in the U.S., approximately 90% of them are of the Holstein descent. [66] The top breed of dairy cow within Canada's national herd category is Holstein, taking up 93% of the dairy cow population, have a production rate of 10,257 kilograms (22,613 lb) of milk per cow that contains 3.9% butter fat and 3.2% protein [8]

  3. Dairy farming - Wikipedia

    en.wikipedia.org/wiki/Dairy_farming

    In cows, a complete estrous cycle lasts 21 days. Most commonly, dairy producers discuss the estrous cycle as beginning when the cow is receptive to breeding. This short phase lasting only about a day is also known as estrus or colloquially, heat. The cow will often exhibit several behavioral changes during this phase including increased ...

  4. Holstein Friesian - Wikipedia

    en.wikipedia.org/wiki/Holstein_Friesian

    Twice-a-day milking is the most common milking schedule of dairy cattle. In Europe, Australia, and New Zealand, milking at 10- to 14-hour intervals is common. [22] Higher cow potential (100% Holstein herds): European Friesian types traditionally had lower production performances than their North American Holstein counterparts.

  5. Estrous synchronization - Wikipedia

    en.wikipedia.org/wiki/Estrous_synchronization

    These “Synch” protocols may include: Select Synch, OvSynch, CoSynch, and Modified Select Synch [2] The synchronization of the estrous cycle is commonly used in different industries, such as Dairy and Beef cattle. Synchronization allows these industries to improve management and nutrition of the cattle, while also decreasing expenses. [3]

  6. Estrous cycle - Wikipedia

    en.wikipedia.org/wiki/Estrous_cycle

    Female cattle, also referred to as "heifers" in agriculture, will gradually enter standing estrus, or "standing heat," starting at puberty between 9 and 15 months of age. The cow estrous cycle typically lasts 21 days. [5] Standing estrus is a visual cue which signifies sexual receptivity for mounting by male cattle.

  7. List of cattle terminology - Wikipedia

    en.wikipedia.org/wiki/List_of_cattle_terminology

    Cattle bred specifically for milk production are called milking or dairy cattle; [1] a cow kept to provide milk for one family may be called a family cow or a milker. A fresh cow is a dairy term for a cow (or a first-calf heifer in few regions) who has recently given birth, or "freshened." The adjective applying to cattle in general is usually ...

  8. List of dairy cattle breeds - Wikipedia

    en.wikipedia.org/wiki/List_of_dairy_cattle_breeds

    Dairy cattle are those primarily raised for their milk as part of dairy farming. Breed Country of origin Average milk output per day [Note 1] Other Volume

  9. Dry cow - Wikipedia

    en.wikipedia.org/wiki/Dry_cow

    The cows teat is a projection of the mammary gland that is sealed during their dry period. A dry cow refers to a dairy cow that is in a stage of their lactation cycle where milk production ceases prior to calving. This part of their lactation cycle is referred to as the cows dry period and typically last between 40 and 65 days. [1]

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