Feed accounts for more than 65% of live production costs of poultry production; thus, accurate feed formulation is vital to ensure poultry are receiving an optimal diet and nutrients are not in undersupply or oversupply. However, this is difficult when the nutrient compositions of feed ingredient batches are highly variable. To help reduce the variability in the specified finished feeds, appropriate sampling methodology is critical. Nevertheless, recommended methodology and depth of detail within technical articles varies greatly and does not always reflect the recommendations of the Association of Official Analytical Chemists, a nonprofit scientific association that publishes standardized analytical methods. It is often understood that increased variability in ingredients due to poor sampling technique is detrimental to industry, but the potential economic cost of poor sampling is often not appreciated. Thus, the extent that variation in protein in feed ingredients affects expected performance and profits for the poultry industry was modeled. It was demonstrated that it is possible to incur a 63% reduction in gross margin or a difference of up to $19,053 (USD) in gross margin from one cycle of 30,000 broilers by simply overestimating the nutrient content of feedstuffs. Assuming a poultry company may produce approximately 1,000 broiler cycles per year, this equates to a loss of up to $19 million (USD). Hence, it is clear that identifying the most accurate way to sample, and improving the understanding and implementation of proper sampling methodology, should be a priority.

饲料占家禽生产现场生产成本的65％以上；因此，正确的饲料配方对于确保家禽获得最佳饮食和营养不致供应不足或供应过剩至关重要。然而，当饲料成分批次的营养成分变化很大时，这是困难的。为了帮助减少指定成品饲料的可变性，适当的采样方法至关重要。但是，技术文章中推荐的方法和详细程度差异很大，并且并不总是反映官方分析化学家协会的建议，该协会是发布标准化分析方法的非营利性科学协会。人们通常认为，由于采样技术不佳而导致成分差异性增加，这对工业不利，但是采样不佳所带来的潜在经济成本通常不会被人意识到。因此，对饲料成分中蛋白质变化影响家禽业预期性能和利润的程度进行了建模。结果表明，仅通过高估饲料中的营养成分，就有可能使30,000只肉鸡的一个周期的毛利润减少63％或使毛利润减少19,053美元。假设一家禽业公司每年可能生产约1000个肉鸡周期，这相当于损失高达1900万美元。因此，很明显，确定最准确的采样方法，并增进对正确采样方法的理解和实施应该是优先事项。对饲料成分中蛋白质变化影响家禽业预期性能和利润的程度进行了建模。结果表明，仅通过高估饲料中的营养成分，就有可能使30,000只肉鸡的一个周期的毛利润减少63％或使毛利润减少19,053美元。假设一家禽类公司每年可能生产约1000个肉鸡周期，这相当于损失高达1900万美元。因此，很明显，确定最准确的采样方法，并增进对正确采样方法的理解和实施应该是优先事项。对饲料成分中蛋白质变化影响家禽业预期性能和利润的程度进行了建模。结果表明，仅通过高估饲料中的营养成分，就有可能使30,000只肉鸡的一个周期的毛利润减少63％或使毛利润减少19,053美元。假设一家禽类公司每年可能生产约1000个肉鸡周期，这相当于损失高达1900万美元。因此，很明显，确定最准确的采样方式，并增进对正确采样方法的理解和实施，应该是当务之急。结果表明，仅通过高估饲料中的营养成分就可以使一个30,000个肉鸡周期的毛利润减少63％或使毛利润减少19,053美元。假设一家禽类公司每年可能生产约1000个肉鸡周期，这相当于损失高达1900万美元。因此，很明显，确定最准确的采样方法，并增进对正确采样方法的理解和实施应该是优先事项。结果表明，仅通过高估饲料中的营养成分，就有可能使30,000只肉鸡的一个周期的毛利润减少63％或使毛利润减少19,053美元。假设一家禽类公司每年可能生产约1000个肉鸡周期，这相当于损失高达1900万美元。因此，很明显，确定最准确的采样方法，并增进对正确采样方法的理解和实施应该是优先事项。