die Schlachtung
slaughter
The killing of animals, especially livestock, to obtain meat.
Der Metzger ist für die fachgerechte Schlachtung der Rinder verantwortlich.
The butcher is responsible for the proper slaughter of the cattle.

slaughter
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slaughter
The killing of animals, especially livestock, to obtain meat.
Der Metzger ist für die fachgerechte Schlachtung der Rinder verantwortlich.
The butcher is responsible for the proper slaughter of the cattle.

'Die Schlachtung' (the slaughter) is a noun derived from the verb 'schlachten' (to slaughter). The ending '-ung' is often used to form a feminine noun from a verb that describes the process or result of the action.
Die Schlachtung der Tiere unterliegt strengen Vorschriften.
The slaughter of the animals is subject to strict regulations.
To distinguish the meanings, pay attention to the context. If it is about animals (pigs, cattle) and meat production, the first meaning is intended. If it is about people in the context of war or violence, the second, figurative meaning (massacre) is intended.
Die Schlachtung der Schweine findet im Schlachthof statt.
The slaughter of the pigs takes place in the slaughterhouse.
In the meaning 'Massaker' (massacre), 'Schlachtung' (slaughter) is a very strong and emotional word. It is used to emphasize extreme brutality and disregard for human life.
Der General war für die sinnlose Schlachtung tausender Soldaten verantwortlich.
The general was responsible for the senseless slaughter of thousands of soldiers.
battle / slaughter
'die Schlacht' and 'die Schlachtung' are easy to confuse because they sound similar and both can have something to do with killing. Even so, their normal usage is different. 'die Schlacht' usually means a large fight in a war. 'die Schlachtung' means the killing of livestock to obtain meat. When it is about animals and meat, 'Schlachtung' is the more precise word. 'Schlacht' is used for this rather rarely or in compounds. When it is about war or history, however, you say 'Schlacht'.

Vor der Schlachtung müssen die Tiere von einem Tierarzt untersucht werden.
Before slaughter, the animals must be examined by a veterinarian.
Die Schlacht dauerte mehrere Tage und veränderte den Verlauf des Krieges.
The battle lasted several days and changed the course of the war.