It is well known that avian influenza (AI) has been particularly concerning this year, affecting many poultry producers from laying hens to breeder operations. This has led to a limited supply of point-of-lay hens and, consequently, hens that are still in production will need to be pushed to produce eggs for longer than the normal…
13
Dec
Dec
Hollard Insure, together with Farmingportal.co.za and AGRI NEWS NET, recently invited aspiring writers under the age of 28 to enter the Young Agri Writers competition. Articles relating to any agricultural subject were able to be submitted for judging. The top 10 articles each received a cash prize of R1 000, with the top three articles…
11
Nov
Nov
Heat stress has become one of the most important factors to affect the efficiency of poultry production, resulting in high economic losses. Heat stress not only negatively influences production performance, but it also has a detrimental effect on meat and egg yield, meat and egg quality, reproductive performance, intestinal function, and immune response. Dietary supplementation…
08
Jul
Jul
Making sense of the wide variety of commercially available phytase products can be a daunting prospect. This can often lead to a poultry producer feeling confused and frustrated. That is why we at Chemuniqué believe that the only way to separate the best from the pretenders is with scientifically supported evidence. An example of such…
12
Jun
Jun
Abstract To date, poultry diets have been formulated to meet estimated requirements for total calcium (Ca), while frequently also maintaining a specified ratio of total Ca to available phosphorus (AvP). In vegetable-based diets, limestone can contribute in excess of 50% and 90% of dietary Ca in broiler and layer diets, respectively. In laying hens, it…
14
Nov
Nov
This article by Dr Christof Rapp, a lead researcher in swine nutrition at Zinpro Corporation, first appeared in the November 2019 issue of Essential Feed and explains how selenium reduces oxidative stress and improves production. Livestock and poultry, just like humans, naturally produce toxic substances and reactive oxygen species – small and highly reactive molecules…
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