A study was conducted to determine differences in performance, carcass characteristics , and profitability of a calf-feeding and a yearling production system. Year-lings had higher daily gains compared to calf-feds; however, calf-feds were more efficient than yearlings. Yearlings produced more weight than calf-feds leading to an improvement in profitability for yearlings compared to calf-feds. ...

Introduction Gastrointestinal nematodes, external parasites, and Fasciola hepatica (liver fluke) can all adversely affect productivity of cattle.(1-5) Previously, little to no work has been done to quantify the effect of treating yearling replacement beef heifers for both gastrointestinal nematodes and bovine liver fluke on weight gain, body condition scores, pregnancy rates, and subsequent wea...

This study determined the effects of rumen-protected methionine (RPM) supplementation on growth performance, nutrient digestibility, nitrogen (N) utilisation and plasma amino acid profiles Liaoning cashmere goats during fibre growth. Twenty-four yearling male (body weight: 35.41 ± 1.13 kg) were randomly assigned to four dietary treatments: a corn–soybean meal basal diet deficient in (negative c...

This study was conducted at Yabello district of Borana zone with the objectives evaluating productive performance 25% Dorper crossbred and local blackhead Somali sheep under agro pastoralists’ conditions, creating awareness, improving knowledge skill. The training given to selected pastoralists, development agents, experts on importance management improved sheep. A total four F1 50% were ...

genetic parameters for birth weight (bw), weaning weight (ww), 6 months weight (6mw), 9 months weight (9mw) and yearling weight (yw) in baluchi sheep were estimated using data collected during a 26-year period (1984-2010). estimates of (co)variance components were obtained by reml procedures by fitting a linear mixed animal model. significant random effects for each trait were explored by fitti...

Classification and Regression Tree (CART) is a predictive algorithm method used to explains how the dependent variable can be predicted using independent variables (numerical characters). The study was conducted investigate relationship between body weight morphometric traits (Body Length (BL), Heart Girth (HG), Rump Height (RH), Width (RW), Ear (EL), Cannon Circumference (CC) Head (HW)) estima...

A confirmatory scan for the regions of bovine chromosome 1 segregating the quantitative trait loci (QTL) influencing birthweight, weaning weight, yearling weight, and preweaning and postweaning average daily gains was performed by genotyping half-sib progeny of four Japanese Black sires using microsatellite DNA markers. Data were analyzed by generating an F -statistic every 1 cM on a linkage ma...