Dairy heifer target weights
WebJun 1, 2016 · Target weights. A target weight at first service was set at 374 kg, which was the 75th percentile expected weight at 420 days for all weights measured between 300 and 539 days. The likelihood of a heifer reaching this target weight by 420 days was calculated for each group (Upper, Middle and Lower herds), and compared using Pearson χ 2 tests ... WebJul 27, 2024 · The goal is to calve dairy heifers at 22 to 23 months old, says a University of Wisconsin Extension dairy management specialist. ... Atkins noted that it is very important to make sure heifers are hitting their target weights and are not small for their age at breeding. Holstein heifers at breeding should weigh 875 pounds, Atkins said. Just ...
Dairy heifer target weights
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WebJul 9, 2024 · Heifers are a significant investment for dairy businesses. By the time a heifer has calved, it is estimated the animal has cost the farm owner between $1300 and $1500. Therefore, for every 100 heifers raised on a farm, it has cost the enterprise $130,000 to $150,000. To receive a return on this significant investment, heifers must get in calf ... 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 …
WebHeifer liveweight targets. 30% of mature weight at 6 months of age. 60% of mature weight at 15 months (mating) 90% of mature weight at 22 months (pre-calving) Because body … Many farmers can accurately identify the body condition score of an over-or underweight animal. However, it is difficult to determine whether an animal is average for its age. Van Dijk et al. showed that veterinarians … See more It is recommended that heifers reach 55% of mature body weight and 90% of mature structural growth3 by the time you breed them. Therefore, it is necessary to look at both the weight and the height of the animal before … See more
WebFurther, heifers should be weighed at birth, weaning, 6 months, 12 months, pre-calving, and post-calving to determine average daily gain and to ensure heifers are achieving the target weight relative to MBW. Breeding-age heifers should be inseminated quickly when they reach 55% MBW. 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.
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.
WebThe weight calculator tool will let you enter the current weight and the target weight of your heifers and will help calculate the growth rate required to achieve your target weight. The Growth Calculator tool will … reading every day can be lots of funWebOnce 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. reading exam pdfWebHeifers 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 ... how to study man thaumcraftWebJan 18, 2011 · 4 minute read. Europe. To achieve this target, feeding management must ensure that heifers reach target live weights for breeding at 13.5-15 months of age. Monitoring heifer growth is key to making informed management decisions. A survey of heifer rearing practices undertaken by AFBI and the College of Agriculture, Food and … reading examWebWeighing systems and weigh scales are essential for heifer management. Good practice for weighing is every 4-8 weeks, a minimum of every 12 weeks. Younger heifers can benefit … reading exam ieltsWebDec 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 … reading evening post obituariesWebFeb 11, 2024 · Feb. 11—CARTHAGE — Chris Muegge is anxious to set the record straight about methane emissions from beef and dairy livestock. Reducing such emissions, he said, has been a front-burner issue for him and fellow livestock farmers for decades. "One of the big things everybody from the outside looking into the cattle industry sees is the … reading exam practice