pasture-based dairy systems
Using lactation curves as a tool for breeding, nutrition and health management decisions in pasture based dairy systems
... In a pasture-based system, a 365 day calving interval is crucial for optimum profit. Hence the need to increase milk yield by improving persistence of lactation rather than peak lactation which puts ...
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Using lactation curves as a tool for breeding, nutrition and health management decisions in pasture-based dairy systems
... where Y is milk yield (L/kg/cow/day), at time t (weeks), and a, b, c d and ε are parameters that define the scale and shape of the curve. Each model was fitted using the NLIN function of SAS; model accuracy was evaluated ...
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Appraisal of the environmental sustainability of milk production systems in New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Science in Life Cycle Management at Massey University, Manawatū, New Zealand
... Zealand pasture-based dairy systems ...increase pasture-based milk production ...increased pasture-based milk production in the Waikato region, New Zealand, through ...
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Spirulina platensis (Arthrospira spp.): a potential novel feed source for pasture-based dairy cows
... Australian dairy industry is heavily reliant on pasture as the main feed base for milk ...in pasture-based dairy systems and lactating cows tend to suffer from negative energy ...
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Appraisal of the environmental sustainability of milk production systems in New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Science in Life Cycle Management at Massey University, Manawatū, New Zealand
... in pasture-based dairy systems are generally associated with increased stocking rates coupled with the increased use of off-farm inputs to support the additional feed demand of ...for ...
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Evaluation of the performance of dual purpose cows in European pasture based systems
... Due to the unilateral selection for milk production, other important physiological aspects of the Holstein Friesian have been neglected or at least have been underexposed. Commercial dairy cows such as the ...
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Effects of stocking rate and supplementation on the productivity and profitability of Argentine dairy systems : a thesis presented in partial fulfilment of the requirements for the degree of Master of Applied Science in Animal Production at Massey University, Palmerston North, New Zealand
... ly pasture dry matter intake ( DM I ) of grazing dairy cows in Argentina, which in turn, would enable the effects of stocking rate on pasture DMI, farm productivity and profitabi lity to be ...only ...
158
Performance of Lactating Dairy Cows Fed Varying Levels of Total Mixed Ration and Pasture
... understanding pasture grass and legume physiology, sward dynamics, and grazing management, to increase per hectare production of milk solids (Fick and Clark, ...1998). Pasture–based dairying is ...
205
Effects of Crossbreeding on Puberty, Postpartum Cyclicity, and Fertility in Pasture-based Dairy Cattle.
... crossbreeding systems in New ...different dairy production systems may not be ...the dairy industry in the United States (McAllister, ...
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The creation and evaluation of a model to simulate the probability of conception in seasonal-calving pasture-based dairy heifers
... farming systems with a diverse range of cow genetics ...commercial dairy farms involved in a herd fertil- ity consultancy program operated by the University Col- lege Dublin School of Veterinary Medicine ...
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The effect of lameness before and during the breeding season on fertility in 10 pasture based Irish dairy herd
... in dairy herds man- aged under zero-grazing systems compared to grazing herds ...are based on these two very distinct management systems, less ...
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Opportunities to improve the irrigation efficiency of dairy pasture systems through management of water resources and an understanding of plant water relations
... if pasture DM is to be ...of pasture and in doing so benchmark WUE across dairying regions in Australia ...developed based on soil water holding capacity and rooting depth to direct irrigation ...
152
Interactions between pasture species and management and their implications for evaluating perennial ryegrass (Lolium perenne L.) cultivars in dairy systems
... In six of the nine harvests, the mean yield of mixed pastures sown with different perennial ryegrass cultivars differed significantly due to the grass cultivar effect. At the first harvest (August 2014), the yield of ...
220
Comparison between dual purpose and specialized dairy cattle in pasture based systems: change in body condition, locomotion score and cleanliness from summer to winter season
... 6 still the same place as the cows have to walk through and stand on all day. The contact between the cow and the manure is more frequent than in the pasture. Wet, hard flooring (such as dirty slatted flooring) is ...
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Pasture production, nutritive value and water use efficiency of irrigated dairy pasture mixtures grazed by dairy cows
... clover based pastures in New Zealand are tolerant of a wide range of grazing and environmental conditions, they have some ...rooting systems (Brock et ...1985). Pasture quality may also be low in ...
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Investigation of Pasture and Confinement Dairy Feeding Systems Using Jersey and Holstein Cattle.
... a pasture- based dairy needs only to be designed for less than 20% of the total manure ...handling systems that confinement type system require. A pasture-based system would ...
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The Management in a Dairy Goat Farm Based on Feeding Systems
... best pasture in each season without excessive travel and with a stocking rate that is compatible with good renewal of the vegetation and the best sustainability of forages and ...
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The behaviour and health of dairy lambs reared artificially with and without early access to meal : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Animal Science at Massey University
... quality pasture were able to successfully be weaned without any detrimental effects on the development of ...feed-management systems where meal is partially or completely removed from the early diet of ...
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Influence of farm dairy effluent ammonium concentrations on soil N2O emissions
... the FDE application area, which can be compromised my excessive potassium loadings from the application of FDE (Dairy NZ, 2015; Otago Regional Council, 2004; Van der Weerden et al., 2016a). Historically farmers ...
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Management of pasture based on dmpd review
... of pasture offered is low and its effect is due to the decrease in the consumption of forage DMpd promoted by the supply of supplementation, allowing the mass of pre-grazing forage to be used by a larger number of ...
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