Results 21 to 30 of about 108,626 (316)
Fecal shedding of Klebsiella pneumoniae by dairy cows [PDF]
, 2006 Klebsiella pneumoniae is a common cause of clinical mastitis in dairy cattle. Wood products are considered to be the main source of Klebsiella on dairy farms.
Rauch, B.J. +6 more
core +1 more source
The Case for Grazing Dairy Cows [PDF]
Agronomy, 2021 The case for grazing dairy cows at pasture is reviewed in six categories: (i) optimal land use for food production; (ii) soil carbon sequestration; (iii) carbon footprint; (iv) animal health and welfare; (v) effects on human health of milk produced from grazed pasture; and (vi) consumer demand for milk from grazed cows.
J. Michael Wilkinson +2 more
openaire +2 more sources
Immune response of cows fed polyunsaturated fatty acids under high ambient temperatures [PDF]
, 2009 The aim of the experiment was to determine the effects of 2 different fat supplementations on immune functions of dairy cows under high ambient temperatures.
G. Entrican +11 more
core +1 more source
Siliao yanjiu, 2022 The experiment was to study the effect of calcium zinc mixture feed additives on production performance and milk quality of dairy cows. A total of 180 lactating period Holstein dairy cows with similar pens, parity and days of lactation were randomly ...
Hong-bin CAO +6 more
doaj
Effect of restricting silage feeding prepartum on time of calving, dystocia and stillbirth in Holstein-Friesian cows [PDF]
, 2007 peer-reviewedA study was carried out to investigate the effect of restricting silage feeding on time of calving and calving performance in Holstein-Friesian cows.
Mee, John F +7 more
core +1 more source
Poultry Science, 2021 Heat stress (HS) in summer will seriously affect the health and performance of dairy cows. To alleviate the injury to dairy cows caused by HS, we added the rumen-bypassed tributyrin to the feed.
Wenjin Guo +10 more
doaj +1 more source
Rearing conditions and lifetime milk revenues in Swedish dairy cows [PDF]
, 2011 Associations between replacement heifer rearing conditions and lifetime milk revenues were studied throughout the productive life of Swedish dairy cows.
Svensson, Catarina, +8 more
core +1 more source
Progress of Machine Vision Technologies in Intelligent Dairy Farming
Applied Sciences, 2023 The large-scale and precise intelligent breeding mode for dairy cows is the main direction for the development of the dairy industry. Machine vision has become an important technological means for the intelligent breeding of dairy cows due to its non ...
Yongan Zhang +6 more
doaj +1 more source
Ultrasonography of the rumen of dairy cows [PDF]
BMC Veterinary Research, 2013 Background This study describes the ultrasonographic findings of the rumen in 45 healthy dairy cows. Results The cows were scanned on both sides using a 5.0 MHz transducer. The dorsal visible margin of the rumen ran parallel to the lung from cranioventral to caudodorsal.
Braun, Ueli +2 more
openaire +3 more sources
, 2007 peer-reviewedThe objective of the present study was to quantify the relationships among body condition score (BCS; scale 1 to 5), live weight (WT) and milk production in Irish Holstein-Friesian spring calving dairy cows.
Buckley, Frank +2 more
core +1 more source