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Effects of negative energy balance on reproduction in dairy cows
Summary In many countries the milk production per cow has more than doubled in the last 40 years (OLTENACU, 2007). The increase in production has been accompanied by increasing incidence of health problems, de...
Author: RENATE KNOP, H. CERNESCU
Publication date: 11/03/2009    Rating:    Views: 1022

Evaluation of biological tratments for agricultural by-products in rumiants feeding: Labouratorial Study
 ABSTRACT Laboratorial evaluation was carried out for the effect of biological treatments with Pleurotus ostreatus, Trichodermal reesei and Chaetanium cellulyticum of rice and peas straws and corn stalks,...
Author: Abdelhamid, A.M.; S. M. Bassuny; A. A. Abd El-Aziz and M. Y. S. A. Ibrahim
Publication date: 10/20/2009    Rating:    Views: 397

Effects of garlic oil on in vitro rumen fermentation and methane production are influenced by the basal diet
Introduction Previous studies (Busquet et al., 2005; Calsamiglia et al., 2007) have shown that garlic oil (GO) supplementation to in vitro cultures of ruminal micro-organisms leads to reduced methane producti...
Author: C. Kamel, H.M.R. Greathead, M.J. Ranilla, M.L. Tejido, S. Ramos and M.D.Carro
Publication date: 08/05/2009    Rating:    Views: 690

The Importance of Fiber in Feeding Dairy Cattle
The reduction in roughage content of the ration, as a result of high-grain, is closely related to changes in milk fat test and has been associated with metabolic problems, such as acidosis, hoof problems, displ...
Author: Barney Harris, Jr, Retired Professor, Dairy Science Department, Cooperative Extension Service,...
Publication date: 07/16/2009    Rating:    Views: 348

Balanced Ration for Dairy Animals
Pakistan is at number 4th among the top milk producing countries of the world, with an annual milk production of over 33 billion liters. The milk produced within the Pakistan is due to increased number of anima...
Author: Dr. Aamir Sharif Cheema, Veterinary Officer (Health) Incharge Governmnet Disease Disagnostic L...
Publication date: 07/02/2009    Rating:    Views: 769

Calves are what they eat
Your treatment of calves from the first hour of their life to the first six to eight weeks could impact their future milk producing ability. The data we’re generating at Cornell and evaluating from other ...
Author: Mike Van Amburgh, Emiliano Raffrenato and Bob Everett; Northeast DairyBusiness PRO-DAIRY
Publication date: 07/01/2009    Rating:    Views: 119

Bio Regulation: A natural approach
TO OPTMISE RUMINANTS PERFORMANCE AND HEALTH, BIO REGULATON, A NEW CONCEPT, TARGETS EVERY STEP OF THE WHOLE NUTRTIONAL EXPERIENCE, FROM SENSORIAL STIMULATON AND APPETENCE TO DIGESTION EFFICACY AND DIGESTIVE HEAL...
Author: VIRGINIE NOIROT
Publication date: 06/11/2009    Rating:    Views: 422

Evaluating Computer-Based Rumen Protein Models
As dairy consultants and managers use computer-based rumen models to fine-tune feeding programs, questions are raised. How effective are these programs? What information do they provide? Do software programs pr...
Author: Michael F. Hutjens and Johan Osorio Estevez - University of Illinois Extension - Illini Dairy ...
Publication date: 05/11/2009    Rating:    Views: 697

Nutritional Control of Feed Intake in Dairy Cattle
Feed intake is determined by many interacting factors and prediction of feed intake is the "Achilles heel" of diet formulation. Many different diet characteristics interact with environment and physiological st...
Author: Michael S. Allen and B. J. Bradford, Department of Animal Science, Michigan State University –...
Publication date: 04/27/2009    Rating:    Views: 898

Omasal Flow of Soluble Amino Acids in Dairy Cows
Protein degradation by ruminal microbes results in the formation of ammonia, and peptides and amino acids (AA) are intermediates in this process. Ammonia that accumulates in excess of microbial requirements is ...
Author: Santiago M. Reynal, Ignacio R. Ipharraguerre, Maximo L. Liñeiro, Andre F. Brito, Glen A. Brode...
Publication date: 04/21/2009    Rating:    Views: 529