نتایج جستجو برای: liveweight gain
تعداد نتایج: 166680 فیلتر نتایج به سال:
The hypothesis was that sensors currently available on farm that monitor behavioral and physiological characteristics have potential for the detection of lameness in dairy cows. This was tested by applying additive logistic regression to variables derived from sensor data. Data were collected between November 2010 and June 2012 on 5 commercial pasture-based dairy farms. Sensor data from weigh s...
sTUDIES of the liveweight gains of beef cattle have been undertaken at several places in North Queensland. These have included “Wairuna”, 50 miles W. of Cardwell, in a 28-inch rainfall area fairly typical of a large area of cattle country in North Queensland; the Bureau of Tropical Agriculture, South Johnstone, where cattle are grazed on tropical grasses and legumes grown under the high rainfal...
Commercial Australian White turkey poults, kept in small pens, were fed commercial diets until 8 weeks. Poults were then fed either 20 per cent dietary protein, with or without added lysine, or 24 per cent dietary protein, each with a metabolizable energy content of either 11.5 or 12.75 MJ/kg. The poults fed on the 24 per cent protein diet were heavier than those on the 20 per cent protein diet...
The efficacy of 4 treatments in maintaining adequate plasma and liver vitamin B lz (B,,) concentrations was compared in young sheep grazing a cobalt (Co)-deficient site in the south east of South Australia. The treatments were injections of Blz or an intraruminal glass pellet containing Co prior to weaning and at weaning intraruminal glass pellets or Co pellets. A liveweight and fleece weight r...
The use of a’ meat and bone meal as the main protein source for pigs of 20 kg was investigated. It was compared in two feeding periods with soybean and fish meals alone or with mixtures of the two. The pigs, fed either the soybean or the fish meal or the meat and bone meal with either soybean or fish meal, had significantly heavier weight gains than the pigs fed a ration with meat and bone meal...
With increasing concern about environmental burdens originating from livestock production, the importance of farming system evaluation has never been greater. In order to form a basis for trade-off analysis of pasture-based cattle production systems, liveweight data from 90 Charolais × Hereford-Friesian calves were collected at a high temporal resolution at the North Wyke Farm Platform (NWFP) i...
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