포유모돈 사료에 코코넛 분말지방 첨가가 모돈의 생산성 및 모유성상에 미치는 효과
Effects of Dietary Coconut Fat Powder Supplementation on Performance and Milk Characteristics in Lactating Sow
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본 시험은 코코넛 분말지방 첨가가 포유모돈의 생산성, 영양소 소화율, 혈액 및 돈유성상에 미치는 효과에 미치는 효과를 알아보고자 실시하였다. 모돈은 건강상태 및 산차를 고려하여 3처리, 처리당 10두씩 포유모돈 30두를 공시하였으며 분만 일주일 전부터 시험사료를 급여하였고 분만 후부터 이유시까지 21일간 사양시험을 실시하였다. 시험설계는 1) CON(basal diet), 2)CFP(basal diet added 0.5% coconut fat powder) 및 3)CFH(basal diet added 0.5% coconut fat powder containing husk)로 하였으며, 분만 후 자돈은 모돈에 복당 10마리씩 균일하게 배치하였다. 포유모돈의 섭취량에 있어서는 CFP와 CFH 처리구가 CON 처리구와 비교하여 유의적으로 높았다(P<0.05). 포유모돈의 등지방 변화에 있어서는 CFP와 CFH 처리구가 CON 처리구와 비교하여 유의적으로 낮았다(P<0.05). 포유자돈의 종료시 체중, 증체량 및 일당증체량에 있어서는 CFP와 CFH 처리구가 CON 처리구와 비교하여 유의적으로 높았다(P<0.05). Red blood cell 함량에서는 개시시에 CFH 처리구가 CON과 CFP 처리구와 비교하여 유의적으로 높았고(P<0.05) white blood cell 함량에서는 종료시에 CFH 처리구가 CFP 처리구와 비교하여 유의적으로 높았으며(P<0.05) lymphocyte 함량에서는 종료시와 변화량에서 CFP와 CFH 처리구가 CON 처리구와 비교하여 유의적으로 높았다(P<0.05). 모유내 지방 함량에서는 CFP와 CFH 처리구가 CON 처리구와 비교하여 유의적으로 높았다(P<0.05). 모유내 단백질 함량에서는 개시시에 CFP 처리구가 CFH 처리구와 비교하여 유의적으로 높았으며(P<0.05) 종료시에는 CON 처리구가 CFP와 CFH 처리구와 비교하여 유의적으로 높았다(P<0.05). 또한, Lactose함량에서는 CFH 처리구가 CON과 CFP 처리구와 비교하여 유의적으로 높았다(P<0.05). 포유자돈에서의 설사발생에 있어서는 0~5일째에 CON 처리구에서 세 마리가 발생하였다. 본 시험결과 포유모돈에 있어 코코넛 분말지방 첨가는 포유모돈에 있어서는 사료섭취량 증가와 등지방 손실감소를 보이며 혈액 내 RBC, WBC, lymphocyte를 향상시켰다. 또한, 포유자돈에 있어서는 증체량을 개선시키는 것으로 사료된다.
Abstract
A total of thirty sows(Landrace×Yorkshire) were used to determine the effects of dietary coconut fat powder supplementation on performance, nutrients digestibility, blood and milk characteristics. A feeding trial was conducted for 21 days from parturition to weaning. Experimental diets were supplied for 1 week before the parturition day and throughout the experimental period. Dietary treatments included: 1) CON(basal diet), 2) CFP(basal diet added 0.5% coconut fat powder) and 3) CFH(basal diet added 0.5% coconut fat power containing husk). An average daily feed intake was significantly improved in CFP and CFH treatments compared with CON treatment(P<0.05). A backfat loss was significantly lower in CFP and CFH treatments than CON treatment(P<0.05). Compared with CON treatment, final body weight, weight gain and average daily gain in piglet were significantly increased in CFP and CFH treatments(P<0.05). Red blood cell was significantly increased in CFH treatment compared with others(P<0.05). White blood cell at the final period and lymphocyte at the final period and differences were significantly increased in sows fed coconut fat powder diet(P<0.05). At the final period, a milk fat concentration was significantly improved in CFP and CFH treatments compared with CON treatment(P<0.05). A milk protein concentration was significantly higher in CFP treatment than CFH treatment at the initial period(P<0.05) and was significantly lower in CFP and CFH treatments than CON treatment at the final period(P<0.05). And a milk lactose concentration at the initial period was significantly increased in CFH treatment compared with CON and CFP treatments(P<0.05). On diarrhea rate in piglet, three piglet occurred in CON treatment. In conclusion, dietary fat source from coconut supplementation improved feed intake, backfat loss, RBC, WBC and lymphocyte in sow and weight gain in piglet.
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