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Use of phenylalanine in animal feed

Use of phenylalanine in animal feed

Phenylalanine is an essential amino acid that is necessary for the synthesis of several compounds such as proteins, catecholamines (hormones such as adrenaline) and melanin. It is also a precursor of another amino acid, tyrosin, and an energy source…

ZINC OXIDE AND COPPER SULPHATE IN ANIMAL PRODUCTION

Limitations of zinc oxide and copper sulphate in animal production

Zinc oxide (ZnO) is an inorganic compound that is used as an additive included in the feeds to control bacteria at an intestinal level and, particularly, to prevent post-weaning diarrhea in piglets (EMA 2017). Copper sulphate (Cu2SO4) is an insoluble salt that is used for its bacteriostatic and fungistatic properties and works as a growth promoter and preventative for…

La sal en formulación de dietas para aves

Salt in the formulation of poultry diets

Salt is an ingredient commonly used in poultry diets as a source of sodium (Na) and chlorine (Cl), important minerals for the organism. It is very rich in these minerals, as it has more than 95% purity, and specifically contains 38% sodium and 58% chlorine (Blas et al. 2019). Its addition in the diet is importance because the main ingredients, like cereals or soybean meal, are low in sodium; besides, chlorine in salt is highly bioavailable in poultry (Schaible 1941).

Palm oil

PALM OIL IN POULTRY AND PIG DIETS

Palm oil Palm oil is a fat of vegetable origin that is in a semi-solid state at room temperature. It comes from the fruits of the African palm (Elaeis guineensis) and is obtained after a thermal and mechanical extraction to … Read More

Monthly pathology report

MONTHLY PATHOLOGY REPORT: AUGUST 2021

General analysis Generally, the situation is similar to that of the prior month due to the high temperatures and moisture that still affect the Northern hemisphere, which promote the growth of Penicillium, Aspergillus and Fusarium. These fungi cause digestive mycoses … Read More

Calcium in diets for laying hens

THE CALCIUM IN DIETS FOR LAYING HENS

Introduction Calcium is an essential element to maintain the skeleton and obtain qualified eggshells in layers (Martín 2019; Technonews 2015). For these reasons, hens have high calcium requirements that need to be met, as much as possible, through the calcium … Read More