Dairynz comparative stocking rate
WebAug 8, 2013 · The DairyNZ Whole Farm Model and modifications. ... However, at a stocking density of 270 animals/ha (equivalent to a stocking rate of 3 cows/ha on a 90-day rotation length in the winter months, a typical situation on many New Zealand farms) changing grazing duration from 2 to 12 hours/day can result in a large change in … Webstocking rate, which fails to disentangle the effects of stocking rate across different levels of ... 3 DairyBase® is owned and managed by DairyNZ on behalf of the dairy farmers of New Zealand. 4 The number of cows is calculated as the highest number of cows used for production during the season. 6
Dairynz comparative stocking rate
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WebOct 1, 2024 · Choice of stocking rate and breed of cow are 2 strategic decisions that affect the profitability of pasture-based dairy farm businesses. This study sought to analyze the effects of a range of fat and protein prices on the profitability of the Jersey (J) and Holstein-Friesian (HF) breeds at 2 comparative stocking rates (CSR): 80 kg of body weight … WebDairyNZ, Hamilton. New Zealand dairy statistics 1990-91 2008-09 Herds 14,700 11,600 Cows (millions) 2.4 4.25 Average herd size 165 365 NZ (m kg milksolids) 610 1,400 Milksolids (kg/cow) 255 323 Milksolids (kg/ha) 615 915 Stocking rate (cows/ha) 2.4 2.85. Historical path to increased milk production • Increased stocking rate to increase ...
WebMay 1, 2011 · Effect of comparative stocking rate (kg of BW/t of DM), milk payment system (fluid or component pricing), and price received on operating profit (NZ$) per cow and per hectare. ... (DairyNZ), the statistical expertise of B. Dow (DairyNZ), and all the help afforded them by No 2. Dairy staff, in particular, M. Coulter. WebThe concept of COMPARATIVE STOCKING RATE (cow LW (kg/ha)/ total feed offered (t DM/ha)) was developed. ... We will now turn to a re-assessment of a DairyNZ farmlet stocking rate experiment that has been used to justify the need for high stocking rates in order to optimise operating profit per ha. The experiment was conducted at Ruakura No. …
WebMay 1, 2011 · DairyNZ, Private Bag 3221, Hamilton 3240, New Zealand. ORCIDs linked to this article. Roche JR, 0000 ... The effect of SR was also evaluated relative to cow size … WebJun 11, 2010 · The improved expression of ‘comparative stocking rate’ was reported by Penno (Citation 1999). Comparative stocking rate Herd LW provides a better measure of the potential feed demand than the number of cows per hectare and, likewise, the total amount of feed provided gives a more accurate quantification of feed supply than the …
WebBody condition score (BCS) at calving is a key driver of the 6 week in calf rate and empty rate. Achieving the targets at calving is therefore important to run a sustainable dairy …
WebMay 1, 2008 · DairyNZ (formerly Dexcel), Private Bag 3221, Hamilton, New Zealand. ORCIDs linked to this article. Roche JR, 0000 ... Stocking rate did not affect reproductive success. The data are consistent with the need for a more robust measure of SR than cows per hectare because farms will differ in the genetic merit of their cows and in the potential … hanson nirvana t shirtWebMar 5, 2024 · The results from the DairyNZ farmlet stocking rate experiment have been used to justify the need for high stocking rates to optimise operating profit per ha. Following that experiment another was conducted at Ruakura No. 2 Dairy from 1999-2001. ... “This experiment concluded that financial performance was optimised at 3.3 cows per ha or a ... ppt toksikologiWebData from two multi-year experiments undertaken at the DairyNZ research farm, No 2. Dairy were collated and analysed. The effects of: 1) Breed (Jersey or Holstein-Friesian; JER, … hanson nirvana memeWebMay 1, 2011 · DairyNZ, Private Bag 3221, Hamilton 3240, New Zealand. ORCIDs linked to this article. Roche JR, 0000 ... The effect of SR was also evaluated relative to cow size and total feed available (comparative stocking rate; CSR), to account for differences in cow size and feed supplement availability. Milk production, gross revenue, operating … ppt todolistWebTwo DairyNZ farmlets, differing in nitrogen fertiliser inputs, cow genetic merit and autumn/winter grazing management, with stocking rates of 2.6 ('Future') and 3.2 … hanson nokomisWebFeed varied from 15 to 40 t DM/ha/year, with stocking rate ranging between 2.3 and 7 cows per ha (Table 1). The treatment design was based on achieving the same comparative stocking rate (CSR) of about 85 kg LW/t feed DM across all treatments. There were 21 Holstein-Friesian cows on each farmlet with farmlet size varying from 3 to 9 hectares. hanson painterWebTararua dairy farm when stocking rate was reduced from 3.4 to 2.9. Associated with the decline in stocking rate was also a reduction in the N fertiliser input from 198 to 150 kg/ha. Because this farm was considered to be overstocked, the reduction in stocking rate resulted in an increase in milk production per cow from 380 to 440 kg MS. hanson nirvana shirt