Tag Archives: zootehnie

Normele de aminoacizi esentiali pentru pasari

Durata citire: 3 minute

 Substantele hranitoare din nutreturi, pe seama carora pasarile isi acopera necesarul de energie (grasimi, hidrati de carbon si altele) se pot inlocui reciproc. In aceasta actiune, un loc deosebit il ocupa proteinele care nu pot fi inlocuite in procesul de hranire, cu nici un fel de substante nutritive. Proteinele din furaje sunt necesare pentru formarea albuminei organismului, deoarece ele stau la baza vietii si fara acestea nu este posibila obtinerea productiei de carne, oua etc.

La baza proteinelor stau aminoacizii, care indeplinesc in organism rolul de substante active in mentinerea starii fiziologice normale si a productivitatii iar absenta lor partiala sau totala din hrana duce la scaderea productiei si imbolnavirea pasarilor. Problema necesarului de proteine la pasari este complicata, deoarece aici nu este vorba numai de cantitate, ci si de compozitia lor, adica de continutul in aminoacizi, in special aminoacizi esentiali.

[712 Vizualizari]

Hranirea porcilor

Durata citire: 2 minute

pig-feed-pigsSfaturi practice pentru scaderea consumului de nutret concentrat la porcine.
Conform tabelelor de normare unei scroafe aflate in perioada de lactatie si cu masa corporala de 200-250 kg trebuie sa i se asigure zilnic 17420 Kcal EM (energie metabolica) 825 g PB (proteina bruta) 41,5 g calciu si 27,5 g P (fosfor). Daca animalul este crescut in sistem intensiv si daca este hranit numai cu furaj combinat, cerintele de mai sus pot fi acoperite daca i se administreaza zilnic  5,7 kg nutret combinat, care are insa urmatoarea structura: 43,5% porumb, 20% orz, 10% tarate de grau, 10% mazare, 13% srot de soia si floarea soarelui, 1,5% creta furajera, 0,5% fosfat dicalcic, 0,5% sare si 1% premix vitamino-mineral. Presupunand ca se dispune de lucerna (masa verde), cantitatea care se recomanda la scroafa amintita mai sus este de 5Kg. In aceste conditii daca se intocmeste o ratie dupa modelul prezentat in tabelul 1 se pot constata urmatoarele:

[724 Vizualizari]

Guide To Starting A Goat Dairy

Durata citire: 2 minute

Pages from Starting_a_Goat_Dairy-2by Carol Delaney

Carol Delaney’s “Guide to Starting a Commercial Goat Dairy” is a great book, and a must read for anyone considering starting their own goat dairy, or who would like ideas for improving profitability.  While other books focus on the care and feeding of a dairy goat, this one focuses on making sure that the goat producer does what it takes to take care of him or herself as a business person.

Carol draws on over ten years of experience as the Vermont small ruminant diary specialist.  It’s obvious that she’s had plenty of experience with prospective goat owners when she reminds readers to “Start Slow and Dip Your Toe in the Sea of Goats.”  Most of us would rather buy the goat and learn along the way, but trust me, that way lies madness.  Instead follow the more deliberate path outlined by Carol.  Once you know the commitment working with dairy goats requires, check with everyone close to you who will be involved or affected by the business, and use the business planning resources she shares to make sure you’re headed down a path that works for you.

[710 Vizualizari]