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Fail asli (2,700 × 1,803 piksel, saiz fail: 887 KB, jenis MIME: image/jpeg)

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Ringkasan

Keterangan
English: Holstein-Friesian milk cow

Because much of the cost of a cow is the feed and labor needed to maintain her, fewer but higher yielding cows mean lower priced milk. Dairy herd improvement ultimately benefits consumers.

That's why it's just as important to keep complete and accurate records as it is to keep the cows contented. The National Cooperative Dairy Herd Improvement Program has been tracking Bossy's milk yields since 1905.

Over the years, this program has made enormous contributions to dairy cattle breeding. ARS scientists receive the lactation records of all herds enrolled in the program and use the figures to rank the bulls that sire the nation's dairy cows and to rank the cows themselves.

The results of years and years of scientific dairying? Milk production has been trending upward for more than 25 years in the United States-from about 117,000 million pounds in 1970 to more than 150,000 million pounds in 1994-even though the number of milk cows has been reduced.
Nederlands: Een koe
Tarikh before September 2002
date QS:P,+2002-09-00T00:00:00Z/7,P1326,+2002-09-00T00:00:00Z/10
Sumber www.ars.usda.gov: Image Number K5176-3
Pengarang Keith Weller/USDA
Kebenaran
(Penggunaan semula fail ini)
Public domain This image is in the public domain because it contains materials that originally came from the Agricultural Research Service, the research agency of the United States Department of Agriculture.

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Fail ini, yang pada asalnya dihantar ke www.ars.usda.gov: Image Number K5176-3, telah disemak pada 6 April 2019 oleh penyemak Roy17, yang mengesahkan bahawa ia telah didapati di sana di bawah lesen yang dinyatakan pada tarikh itu.
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Captions

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Black White cow in green grass field in farm (livestock)

media type Inggeris

image/jpeg

e7db3e7f38825a7665bfc9ae12e20d3b87c90c47

908,691 bait

1,803 piksel

2,700 piksel

Sejarah fail

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Tarikh/WaktuGambar kenitUkuranPenggunaKomen
semasa03:31, 29 Ogos 2023Gambar kenit bagi versi pada 03:31, 29 Ogos 20232,700 × 1,803 (887 KB)ReichLover1997Reverted to version as of 21:09, 24 May 2006 (UTC)
00:42, 1 September 2018Gambar kenit bagi versi pada 00:42, 1 September 20182,190 × 1,680 (725 KB)HohumCropped, colour adjust
21:09, 24 Mei 2006Gambar kenit bagi versi pada 21:09, 24 Mei 20062,700 × 1,803 (887 KB)Siebrand{{Information| |Description= {{nl|Een koe}} {{en|Because much of the cost of a cow is the feed and labor needed to maintain her, fewer but higher yielding cows mean lower priced milk. Dairy herd improvement ultimately benefits consumers. That's why it's j

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