Grazing Dairy Cows
Milk production and milk fatty acid composition of grazing dairy cows supplemented with fodder beet
... of dairy cows in early lactation. Sixty Friesian × Jersey cows, were blocked into six groups of 10 cows, and groups randomly allocated to three replicates fed either 18 kg DM/day of ryegrass ...
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Effect of walking extra distances on the performance of grazing dairy cows in early lactation : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science, Massey university, Palmerston North, New Zealand
... Pastoral dairy farming in New Zealand is dependent upon grazing dairy cows on well-managed rye grass and clover ...with grazing is walking, especially on farms with a large area of ...
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Studies of the effects of "mimosa bark extract" containing condensed tannins on milk production by grazing dairy cows and on ruminal protein metabolism in sheep
... Two experiments were carried out over the spring season (September and October 1994 ). In experiment I, effects of CT in Mimosa bark extract upon blood urea concentration, milk yield and milk composition, liveweight and ...
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Feeding Polyunsaturated Supplements to Grazing Dairy Cows Improve the Healthy Value of Milk Fatty Acids
... to grazing dairy cows. Four Holstein cows (515 ± 80 kg liveweight) in late lactation (230 days postpartum) fitted with ruminal cannu- lae were allotted to a 4 × 4 Latin square design with ...
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Feeding Protected Lysine and Methionine Modifies Milk Protein Profile in Grazing Dairy Cows
... in grazing dairy cows specifically in the caseins (CNs) and α -lactalbumin ...Holstein cows producing 24 ...(six cows per treatment) during an experi- mental period of 21 ...group, ...
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Some challenges and opportunities for grazing dairy cows on temperate pastures
... from cows grazing fresh pastures and winter milk from conserved forages (Agenäs, Holtenius, Griinari, & Burstedt, 2002; Jahreis, Fritsche, & Steinhart, ...
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Short-Term Effect of Daily Herbage Allowance Restriction on Pasture Condition and the Performance of Grazing Dairy Cows during Autumn
... Holstein-Friesian dairy cows. Forty-four early lactation dairy cows were randomly assigned to one of four treatments in a 2 × 2 factorial design that tested two levels of DHA (17 and 25 kg ...
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The impact of rumen function on neutral detergent fibre degradation across the diurnal period in grazing dairy cows in a pasture based system
... under grazing conditions, dairy cows have shown pronounced diurnal patterns of rumen environment where for extended periods rumen pH is lower than the threshold currently assumed for optimal fibre ...
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Comparison of Brown Midrib Sorghum with Conventional Sorghum Forage for Grazing Dairy Cows
... of grazing was similar for both hybrids ...post grazing height of the stems remained substantially higher (40 cm on average) than the cutting height of the samples for chemical composition of the herbage on ...
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Neuroendocrine regulation of dry matter intake in grazing dairy cows
... pasture-fed cows augmented the humoral response compared with cows on pasture ...the cows had access to pasture that increased insulin concentrations, which facilitated the uptake of NEFA by adipose ...
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Genetics of alternative definitions of feed efficiency in grazing lactating dairy cows
... from cows fed indoors on TMR or conserved forages range from ...for cows fed predominantly grazed ...in grazing dairy cows and cows fed in confinement systems (Berry & ...
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Effects of time of maize silage supplementation on herbage intake, milksolids production, nitrogen partitioning and rumen function of lactating dairy cows
... supplementing cows with maize silage at 1 rather than 9 hours before the herbage ...for grazing dairy cows when supplemented in the morning or ...First, cows were allocated to herbage ...
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A study of circulating neutrophils and exosomes associated with innate immune function in the periparturient grazing dairy cow : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Veterinary Science at Massey University, Manawatū, New Zealand
... (TMR)-fed cows have indicated that neutrophil function is perturbed over the transition period; however, this reported dysfunction has yet to be investigated in moderate- yielding, grazing dairy ...
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A study of circulating neutrophils and exosomes associated with innate immune function in the periparturient grazing dairy cow : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Veterinary Science at Massey University, Manawatū, New Zealand
... Dairy cows are at greatest risk of infectious and metabolic disease during the periparturient ...in grazing dairy cows by investigating molecular changes in circulating neutrophils and ...
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Using plant wax markers to estimate the diet composition of grazing Holstein dairy cows
... of dairy cows under grazing conditions could be estimated using plant wax ...Holstein cows and 12 New Zealand Holstein ...All cows grazed full time in a rotational stocking system and ...
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Whole-farm modelling using different grazing-management strategies with diverse pastures within an irrigated dairy-farm system
... included dairy breed, Holstein-Friesian × Jersey crossbred cows of mixed age, stocking rate of ...3.4 cows/ha, milksolids (MS) production per cow of 416 kg MS/cow/year and nitrogen fertiliser ...
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Modelling the effect of stocking rate on the lactation profiles of grazing Holstein Friesian dairy cows using cubic splines
... the 3.4c/ha (irrigation) plus grain supplement was better than both. The poor performance of the 4.0 c/ha treatment highlights the potential of substitution, pasture wastage and the importance of pasture management ...
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MICROBIOLOGICAL STUDIES OF BOVINE MASTITIS CAUSED BY ESCHERICHIA COLI IN QUETTA, BALOCHISTANShabir Ahmed*, Mumtaz Sanjrani, Zafar Ahmad, Asmatullah, Deedar Ahmad khan, Rezwan, Yasir Saud Sadiq, Mohammad Siddique, Nazia IramDOWNLOAD/VIEW
... Mastitis is one of the common but significant diseases of dairy cows. It is important from economical view point. Costs due to mastitis include reduced milk production, condemnation of milk due to ...
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Effect of Confinement Stress on Milk Yield in Dairy Cows
... of cows to move about and the nature of grass to stand in one place, but with confinement method of animal production, we have turned it backward and made the cows stand in one place and made the grass move ...
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Nitrogen use efficiency and feed conversion efficiency of lactating dairy cows grazing simple and diverse pastures
... monitor cows in grazing either S or D pastures (Table ...monitor cows was higher for S cows, although this was not ...for cows in the S treatment due to their lower ME intake and higher ...
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