Dairy heifer target weights
WebThe table below shows the percentage mature weight to target at different stages, using an average mature body weight of 685 kg. The target height for the different stages is also … WebOnce heifer calves are weaned, we need to ensure that they reach target weights and wither height for age and breed at every critical juncture during their first two years. Regularly weigh and measure heifers to monitor their progress. Our easy-to-use calculator helps you monitor target weights at each milestone on the path to mature liveweight.
Dairy heifer target weights
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WebFirst to use higher target weights than those recommended by academic studies. First to use the Liveweight Breeding Value (BV Lwt) to calculate dairy heifer targets in 2007. First to develop an App named ‘BlueLinker’ for an Android phone to transfer data from electronic scales to format and send as an email attachment. WebJan 1, 2024 · Heifers should be at 55% of their mature body weight at breeding, and at 85% of their mature body weight at calving. At freshening, the target body condition score should also be 3.5 on a 5-point scale. …
WebIf the LIC Dairy Statistics are representative of the industry, and 90% of mature weight is a realistic target for heifers at herd entry, then it appears on average that – Jersey 2 yr heifers are about 50 kilograms too light & Holstein-Friesian 2 yr heifers are 75 kg too light for best results. WebTarget carcass weight is 280 kg. 24 month steer system: this is a commonly practiced system for Holstein-Friesian steers and targets are based on research carried out at Teagasc, Grange. Finishing occurs during the second winter and cattle are offered good quality grass silage and 5 to 6 kg concentrates. The target carcass weight is 320 kg.
WebKey target Table 1. Bodyweight (BW) targets for maiden heifers at breeding and for heifers pre-calving by breed/crossbreed. HF NZ HF*NZ NR HF*NR J HF*J 6-month heifer BW (kg) 175 160 175 160 175 125 145 Maiden heifer BW(kg) 330 315 330 315 330 240 295 approx 13 months old Pre-calving BW, (kg) 550 525 550 525 550 405 490 Webmortality in preweaned dairy heifers in 1992 and 2007. In these two studies, morbidity was reported at 36.1 and 38.5 percent, respectively, and mortality was reported at 8.4 and 7.8 percent, respectively.1,5 Morbidity and mortality estimates from both studies were higher than the target rates established by the Dairy Calf and Heifer Association ...
WebHeifers represent the future of your dairy herd. This section highlights some of the key aspects to rearing heifers from weaning through to first lactation. Publications; ... Heifers reaching target liveweight will have 5% better 6wk in-calf rates and 1.5% lower empty rates. This equates to $35 economic benefit per heifer compared to heifers 10 ...
WebJun 18, 2024 · Early-maturing steers should have an ADG of 0.8kg/day over the first grazing season and weigh 230-240kg at housing. However, calves (both heifers and steers) that … how to stop a hurting toothWebMar 13, 2024 · A higher forecast for slaughter more than offsets a decline in expected dressed weights, resulting in projected beef production being raised 165 million pounds to 26.7 billion pounds. Fed cattle prices in … react typescript redux toolkitWebDec 19, 2024 · Holstein heifers should reach 750 to 800 pounds and 48 to 50 inches by breeding age (13 to 15 months). After calving, heifers should weigh 1,137 to 1,296 pounds and measure 52 to 55 inches at the withers. Recommended breeding heights and weights for all heifers are shown in Table 1. Table 1. Suggested weights and heights for … react typescript pwaWebThe maintenance sub index determines the appropriate target weight. Most dairy replacements have a maintenance sub index of between €0 and €20. The accompanying … react typescript rerender componentWebillustrates breeding and calving weight targets for heifers of differing mature size based on desired age at first calving. Table 1. Target weights for dairy animals of differing mature … react typescript real worldWebApr 23, 2024 · The recommended target LWTs for dairy heifers are 30% of mature LWT at 6 months ... and weaning weight of 69.8 kg (±8.38) [3], dairy heifers demonstrate a typical growth rate of 0.584 kg/day ... react typescript redux boilerplatereact typescript prop types