“…In the present research, an increase of 150% in the consumption of water was observed as the level of salinity in the water increased. Ingestion of high concentrations of salt induces homeostatic responses in the animal, which increases water intake [11,[28][29][30][31][32]. Alves et al [33] studied the effects of TDS levels similar to the ones used in the current study on the digestion, performance, and water balance of heifers and observed a linear increase in voluntary water consumption.…”
Section: Discussionmentioning
confidence: 79%
“…However, Mdletshe et al [23], studying the effects of saline water on the physiological responses of lactating Nguni goats, observed that 11 g L −1 of salt in the water negatively affected water consumption, weight gain, feed intake and physiological (respiratory and heart rate) characteristics. According to Cardoso et al [11] the levels of total solids ranging from 640 to 9600 mg L −1 in water for goats do not cause changes in their physiological variables, ingestive behavior, and efficiency. Therefore, water with up to 9600 mg TDS L −1 can be used strategically in the desedentation of goats in semi-arid regions.…”
Section: Discussionmentioning
confidence: 99%
“…Animals can be adapted to drink saline water; however, a gradual addition is recommended because the abrupt change can result in negative influences on feed and water intake. These animals can ingest saline water with levels up to 9500 mg TDS/L with no effects on feed intake; however, higher levels decrease feed intake [11]. The time needed for goats to adapt to water with high levels of salt is unknown.…”
Due to its necessity and magnitude, water is essential for animal nutrition. This study aimed to evaluate the effects of increasing levels of water salinity on the quality of goat milk in the Brazilian semiarid region. Twenty-four multiparous Alpine goats, with an average live weight of 38.0 ± 4.0 kg and an average lactation period of 30 days, distributed entirely at random, were used. The experiment lasted 64 days including an initial period of 14 days of adaption to the diet. The experimental treatments consisted of water with different levels of total dissolved solids (TDS): 640, 3188, 5740, and 8326 mg L−1, obtained using sodium chloride (NaCl). Increasing the levels of TDS in drinking water from 640 to 8326 mg L−1 did not significantly (p > 0.05) affect the production and the physicochemical composition of the milk. There was a linear increase (p < 0.05) in the water consumption and acidity variables as a function of the total dissolved solid levels. The mineral composition of the milk was not altered with increasing levels of TDS in water from 640 to 8326 mg L−1. There was no negative effect (p > 0.05) for any of the sensorial attributes analyzed in relation to the treatments. Therefore, as a general conclusion, based on the analyses carried out in this experiment, it was found that water with total dissolved solids, when supplied for short periods of up to 48 days, does not alter the production, physicochemical characteristics, or the organoleptic properties of goat’s milk.
“…In the present research, an increase of 150% in the consumption of water was observed as the level of salinity in the water increased. Ingestion of high concentrations of salt induces homeostatic responses in the animal, which increases water intake [11,[28][29][30][31][32]. Alves et al [33] studied the effects of TDS levels similar to the ones used in the current study on the digestion, performance, and water balance of heifers and observed a linear increase in voluntary water consumption.…”
Section: Discussionmentioning
confidence: 79%
“…However, Mdletshe et al [23], studying the effects of saline water on the physiological responses of lactating Nguni goats, observed that 11 g L −1 of salt in the water negatively affected water consumption, weight gain, feed intake and physiological (respiratory and heart rate) characteristics. According to Cardoso et al [11] the levels of total solids ranging from 640 to 9600 mg L −1 in water for goats do not cause changes in their physiological variables, ingestive behavior, and efficiency. Therefore, water with up to 9600 mg TDS L −1 can be used strategically in the desedentation of goats in semi-arid regions.…”
Section: Discussionmentioning
confidence: 99%
“…Animals can be adapted to drink saline water; however, a gradual addition is recommended because the abrupt change can result in negative influences on feed and water intake. These animals can ingest saline water with levels up to 9500 mg TDS/L with no effects on feed intake; however, higher levels decrease feed intake [11]. The time needed for goats to adapt to water with high levels of salt is unknown.…”
Due to its necessity and magnitude, water is essential for animal nutrition. This study aimed to evaluate the effects of increasing levels of water salinity on the quality of goat milk in the Brazilian semiarid region. Twenty-four multiparous Alpine goats, with an average live weight of 38.0 ± 4.0 kg and an average lactation period of 30 days, distributed entirely at random, were used. The experiment lasted 64 days including an initial period of 14 days of adaption to the diet. The experimental treatments consisted of water with different levels of total dissolved solids (TDS): 640, 3188, 5740, and 8326 mg L−1, obtained using sodium chloride (NaCl). Increasing the levels of TDS in drinking water from 640 to 8326 mg L−1 did not significantly (p > 0.05) affect the production and the physicochemical composition of the milk. There was a linear increase (p < 0.05) in the water consumption and acidity variables as a function of the total dissolved solid levels. The mineral composition of the milk was not altered with increasing levels of TDS in water from 640 to 8326 mg L−1. There was no negative effect (p > 0.05) for any of the sensorial attributes analyzed in relation to the treatments. Therefore, as a general conclusion, based on the analyses carried out in this experiment, it was found that water with total dissolved solids, when supplied for short periods of up to 48 days, does not alter the production, physicochemical characteristics, or the organoleptic properties of goat’s milk.
“…Tần số hô hấp của cả hai nhóm đều cao hơn khi đo vào buổi chiều. Tương tự, Cardoso et al (2021) cho rằng dê uống nước mặn với nồng độ từ 0,10 -1,20% không ảnh hưởng đến tần số hô hấp của dê. Ở thời điểm 15:00, tần số hô hấp của dê thịt giảm dần khi nồng độ mặn trong nước uống tăng dần (Bảng 3; P<0,01).…”
Section: ảNh Hưởng Của Các Mức độ Mặn Trong Nước Uống Lên Tần Số Hô H...unclassified
“…Kết quả này tương tự đối với dê sữa ở thời điểm buổi sáng, tuy nhiên từ 15:00 -17:00 giờ NĐTT của dê sữa giữa các NT khác biệt có ý nghĩa thống kê (Bảng 4; P<0,05). Kết quả NĐTT của dê thịt tương đồng với báo cáo của Cardoso et al (2021), đã ghi nhận nhiệt độ trực tràng không có sự khác biệt khi dê uống nước mặn 0,10% (38,5 o C) và 1,20% (38,7 o C). Như vậy, dê có thể giữ cho nhiệt độ cơ thể ổn định bằng cách giảm các hoạt động, tăng lượng nước uống vào và tăng sự thất thoát nhiệt do bay hơi thông qua tăng tần số hô hấp.…”
Section: ảNh Hưởng Của Các Mức độ Mặn Trong Nước Uống Lên Nhiệt độ Tr...unclassified
Mục tiêu của thí nghiệm là đánh giá ảnh hưởng của nước muối lên khả năng tăng trọng và năng suất sữa của dê. Thí nghiệm được bố trí hoàn toàn ngẫu nhiên với 04 nghiệm thức (NT) và 05 lần lập lại trên 20 dê thịt lai Boer (thí nghiệm 1) và 20 dê sữa lai Saanen (thí nghiệm 2) gồm: NT đối chứng (ĐC, nước ngọt), 3 nghiệm thức nước mặn là các nồng độ nước biển pha loãng: 0,50; 1,00 và 1,50% (NT5, NT10 và NT15). Kết quả thí nghiệm 1 cho thấy lượng thức ăn tiêu thụ (DMI) giảm và lượng nước uống (WI) tăng dần khi tăng dần nồng độ muối trong nước uống. Trọng lượng, tăng trọng, tần số hô hấp và nhiệt độ trực tràng của dê không có sự khác biệt giữa các nghiệm thức (P>0,05). Tuy nhiên, ở thời điểm 15:00 giờ, dê ở NT15 giảm tần số hô hấp và tăng nhiệt độ trực tràng so với NT ĐC. Kết quả thí nghiệm 2 cho thấy DMI, trọng lượng, năng suất sữa không khác biệt giữa các NT (P>0,05). WI của dê tăng khi uống nước muối có nồng độ...
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