The major sources of variability in net farm income on New York dairy farms over the past 10 years are identified using Dairy Farm Business Summary records. The most important source of income variability is the fluctuation in milk prices, followed closely by year-to-year variation in the quantity of purchased feeds. These results suggest that forward pricing of milk and feed purchases may be e...

Feed is the single largest operating expense on dairy farms and should be considered one of the most important variables behind successful production, animal health, and profitability of a dairy. Annual feed costs per milking cow can average $1000 to $1200 per year, or $100,000 to $120,000 for every 100 milking cows. Despite this fact, only a minority of dairy farms closely track feed quality v...

Maternal performance of 134 Hereford (H), Brangus (B), and reciprocal crossbred (H x B and B x H) cows from 2 to 7 yr of age was evaluated under semidesert conditions in this study. Calves produced by 2- and 3-yr-old cows were sired by Brangus and Hereford bulls. Calves produced by 4- to 7-yr-old cows were sired by Charolais bulls. Breed of sire and breed of dam of cow affected kilograms of wea...

Results from the USDA:APHIS:VS National Animal Health Monitoring System (NAHMS) Dairy 2002 survey reported that approximately 5% of dairy cows die, onfarm, across the country each year. This is a very high death rate compared with that of beef cows or feedlot animals, where annual death rates were estimated at 1 to1.5%. In the NAHMS survey unknown reasons accounted for the largest percentage (2...

With the aim to review the nutrition of ruminants, this paper studies and reviews the types of nutrition method for dairy cows by the case study of dairy cow. This research is applied based on the objective, has the library type in terms of data collection, and is among the survey research based on the research methodology. The method of library documental studies was used in order to collect d...

objective: sera from 186 sheep (93 rams and 93ewes) from tabriz, north-west of iran were evaluated for antibodies to toxoplasma gondii using a commercial elisa kit. methods: the animals were divided into two age groups (< 2 years, and > 2 years). results: antibodies to t. gondii were found in 13 of 186 sheep (6.98%). infection rate in ewes was higher than rams but this difference was not signif...

the objective of this study was to determine the effects of feeding different levels of monensin on feed intake, milk production and composition, and milk fattyacid profile in lactating holstein cows. four multiparous cows averaging 517 ± 47 (sd) kg in body weight and 101 ± 19.8 (sd) days in milk were housed individually in tie-stalls. the study was conducted as a 4 × 4 latin square design for ...

akbar pirestani,*, mohammad javad bagheri, sayed mahdi hashemi, amir hossine asgarishahi   department of animal science, khorasgan (isfahan) branch, islamic azad university, isfahan, iran     *corresponding author: email: [email protected]     received: 20 july 2013   accepted: 21 november 2013       abstract this study was conducted to evaluate the impact of se+vit e and cu injection on...

Relative effects of Beef Quality Assurance (BQA)-related defects in market beef and dairy cows and bulls on selling price at auction was evaluated during 2008. The presence and severity of 23 BQA-related traits were determined during sales in Idaho, California, and Utah. Overall, 18,949 unique lots consisting of 23,479 animals were assessed during 125 dairy sales and 79 beef sales. Mean sale pr...

We report the draft genome sequence of Enterococcus mundtii CRL1656, which was isolated from the stripping milk of a clinically healthy adult Holstein dairy cow from a dairy farm of the northwestern region of Tucumán (Argentina). The 3.10-Mb genome sequence consists of 450 large contigs and contains 2,741 predicted protein-coding genes.