Because beef animals are usually fed to a certain end weight, animals that reach that goal more quickly may increase profitability. Further, because ADG and feed efficiency are closely tied to cost of gain, measures of feed efficiency are important for the commercial cow-calf, stocker, and ...
The highest MY (≥8,500kg) occurred with the earliest AFC of 780 d. Higher MY led to lower conception rates in cows, but the highest MY group also had the shortest days open (106 d) and a calving interval of 386 d. The same MY group had the highest cow depreciation costs, net ...
第二节(满分25分)阅读下面短文,根据其内容写一篇60词左右的内容概要。The average person eats about 40kg of meat per year. In developed countries, it's double that, or about the same weight as an adult dolphin. But experts now advise cutting down the amount of meat we eat and turning vegan...
Starting with kourabiethes – those delicious toasted almond spiked crescent-shaped shortbreads that are groaning under the weight of icing sugar. Never sneeze while holding one or you’ll turn into a snowman. Apart from the toasted almonds, the other differentiating feature is the addition of ...
Total length Weight in kg (and lb). Reference 1 , 292 198.2 (437) ,Baker, 1891 2 , – 236.2 (520.8) ,Brown, 1893 3 , - 203 (448) ,Lockyer, 1876 4, – 158.5 (349.5) ,Sanderson, 1879 5, – 161 (355) ,Inverarity, 1888 6, 283 172.4 (380) ,Lydekker et al., 1897 7, ...
The ratio of omega-6 to omega-3 fatty acids was always higher in feedlot-fed cattle at the end of the grazing season, but in 2013, when all cattle were nearing slaughter weight, the omega-6 to omega-3 ratio was 50% higher for feedlot-fed than for BFT-fed cattle and double that of...
Input costs included annual cow costs ($327.77), veterinary/medical and labor ($35 per animal), feed markup ($22/t), yardage ($0.25/d per animal), and interest (10%). Dependent variables were carcass value and profit per steer. Independent variables were year, weaning weight EPD, ...
One cow in the MOD group experienced retention of fetal membranes; therefore, placental weight was not obtained. Analysis of variance was performed using the function lmer of the package lme4 of R, following the model Yij = μ + Ti + Bj + εij, where Yij = dependent variable; μ = ...