Clitoria ternatea is a good protein-rich forage that is used either alone or as a protein supplement for grazing animals. Productive behavior of animals fed with Clitoria ternatea is quite acceptable and compares favourably to that obtained with other high quality supplements and forages, and it often contributes significantly to lower production costs (Villanueva Avalos et al., 2004).
Palatability and digestibility
Clitoria ternatea forage is palatable to sheep, goats and cattle (Chakravarty, 1970) and no toxicity has been observed (Hall, 1985). There are few digestibility measurements available in the literature: in vivo OM and DM digestibility values for the hay range from 50-60% (Ratan et al., 1982; Upadhyaya et al., 1983) to 72-74% (Medrano, 2001; Bustamante Guerrero et al., 2002), which reflects probably the high fibre content of the forage.
Dairy cows
Numerous studies have shown that it is possible to substitute grains, by-products and alfalfa hay with Clitoria ternatea hay in a supplementary feed for dairy cows at different stages of lactation, without a visible downturn in milk production, and at the same time reducing feed costs (Villanueva Avalos et al., 2004). The following table presents various situations where supplementation with Clitoria ternatea hay or the use of mixed grass-Clitoria pasture was beneficial to dairy performance or to dairy income.
Table 1. Examples of utilization of Clitoria ternatea in dairy cattle (DMI: dry matter intake; ADG: average daily gain)
Country |
Animal |
Diet |
Results |
Reference |
Mexico |
Brown Swiss cows |
Pasture + concentrate (27-100% Clitoria hay) |
DMI and milk production maximum at 100% Clitoria hay; 60% reduction in concentrate use |
Bustamante Guerrero et al., 2002 |
Mexico |
Holstein cows |
Cynodon nlemfuensis pasture + 50-75% Clitoria (DM basis) |
Higher DMI, milk production and ADG at 75% inclusion |
Arcos, 1987 |
Mexico |
Holstein-Zebu cows |
Pasture + 2 kg/d DM Clitoria |
+50% milk production compared to cows grazing grass only |
Sosa, 1990 |
Mexico |
Brown Swiss cows |
Pasture + concentrate (0-100% Clitoria hay) |
Lower production costs at 25-50% inclusion rate compared to 0% or to concentrate + alfalfa hay |
Villanueva Avalos et al., 1996 |
Kenya |
Jersey cows |
Pennisetum purpureum + Clitoria, Gliricidia sepium or Mucuna pruriens |
Similar DM intake, DM digestibility and lactation performance for all legumes |
Juma et al., 2006 |
Beef and growing cattle
The following table presents various situations where supplementation with Clitoria ternatea hay or the use of Clitoria pasture (alone or in association) was beneficial to growth performance.
Table 2. Examples of utilization of Clitoria ternatea in beef and growing cattle (DMI: dry matter intake; ADG: average daily gain)
Country |
Animal |
Diet |
Results |
Reference |
Cuba |
Heifers |
Pasture + legume mixture including Clitoria
Pasture alone |
ADG 452 g/d
ADG 336 g/d |
Mejias et al., 2005 |
Australia |
Beef cattle |
Grass-legume (Clitoria or Stylosanthes seabrana) pasture
Grass pasture alone |
Higher gain (+64-142 kg in 12 months) on the grass-legume pasture |
Hill et al., 2009 |
Mexico |
Heifers |
Clitoria pasture
Digitaria eriantha, with or without Macroptilium atropurpureum |
ADG 402 g/d
ADG 279-237 g/d |
Garza et al., 1972 |
Mexico |
Heifers |
Clitoria pasture |
180 kg/ha meat in 112 d |
Cordoba et al., 1993 |
Mexico |
Zebu x Brown Swiss |
Digitaria eriantha + Clitoria pasture (two grazing systems) |
ADG 920-944 g/d (for 1 year) |
Cordova et al., 1987 |
Mexico |
Heifers |
Cynodon dactylon + Clitoria pasture, 4 animals/ha
Cynodon dactylon + Clitoria pasture, 12 animals/ha |
ADG 774 g/d
ADG 338 g/d; 57%
Production/ha was 57% higher at the highest stocking rate |
Hernandez et al., 1991 |
Mexico |
Suckling calves |
Clitoria hay
Alfalfa hay |
ADG 743 g/d
ADG 803 g/d |
Arias, 1999 |
Sheep and goats
The following table presents various situations where supplementation with Clitoria ternatea hay or the use of Clitoria pasture (alone or in association) was beneficial to growth performance.
Table 3. Examples of utilization of Clitoria ternatea in sheep and goats (DMI: dry matter intake; ADG: average daily gain)
Country |
Animal |
Diet |
Results |
Reference |
Brazil |
Sheep
Goats |
Fresh, chopped Clitoria forage, ad libitum |
Sheep: DMI 79 g/kg W0.75; DM digestibility 53%
Goats: DMI 68 g/kg W0.75; DM digestibility 54% |
Barros et al., 1991 |
Puerto Rico |
Creole rams |
Guinea grass/Clitoria hay
Chloris gayana hay |
DMI 919 g/d; DM dig. 65%, much higher digestible DMI
DMI 669 g/d; DM digestibility 56% |
Sandoval et al., 2009 |
Mexico |
Pelibuey sheep |
Clitoria-based concentrate |
ADG 152-160 g/d, similar to that obtained with a poultry manure/rice bran concentrate but more profitable |
Perez et al., 1993 |
Mexico |
Sheep, finishing |
Clitoria hay, 30-60% DM in the diet |
ADG 12-16% higher and feed cost 22-32% lower than for an alfalfa hay/Enterolobium cyclocarpum meal supplementation |
Cardenas et al., 1999 |
Mexico |
Pelibuey sheep |
40% Clitoria hay alone
40% Clitoria hay with Monensin, Na and K |
Males: ADG 193 g/d ; Females: ADG 109 g/d
Males: ADG 221 g/d ; Females: ADG 140 g/d |
Rubio et al., 1997 |