Lablab purpureus seed

A study was conducted to examine the impact of supplementing low-quality roughages with Lablab purpureus seed on goats’ nutrient intake and digestibility. A total of 25 goats were kept separately in a metabolism crate and fed five different diets containing roughage ad libitum and supplements of Lablab purpureus (var. Highworth) seed or sweet lupin seed (Lupinus angustifolius). The five diets offered were: TI (roughage alone), T2 (roughage + 0.3% LW Lablab seed), T3 (roughage + 0.6% LW Lablab seed), T4 (roughage + 1.2% LW Lablab seed), and T5 (roughage + 1.2% LW Lupin seed).

The study results indicated that roughage intake was not significantly different (p>0.05) between 0.3% or 0.6% LW levels of Lablab or by 1.2% LW lupin supplementation, but was reduced significantly (p<0.05) by 35% with 1.2% LW Lablab supplement. Organic matter (OM) digestibility was increased by all supplements, and digestible OM intake was increased by the 0.6% LW Lablab and 1.2% LW lupin supplements. However, LW gain and feed conversion ratio remained unchanged (p>0.05) by 0.3% or 0.6% LW Lablab or the 1.2% LW lupin, but were reduced significantly (p<0.05) by the 1.2% LW Lablab supplement.

The study concluded that goats could effectively utilize supplements of Lablab purpureus seed fed at levels of up to 0.6% LW. However, when 1.2% LW of the Lablab seed was fed, poor performance suggested that the goats might be adversely affected by anti-nutritional factors content in the seed of Lablab.

Author(s) Details:

Ismartoyo,
Department of Animal Husbandry, Hasanuddin University, Indonesia.

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